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Equity - Additional Information (Detail) (USD $)
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0 Months Ended |
1 Months Ended |
12 Months Ended |
9 Months Ended |
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Apr. 23, 2013
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Aug. 31, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2013
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Oct. 31, 2014
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Apr. 29, 2014
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Registration of IPO Common Stock, date registered |
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Aug. 31, 2014
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| Sale of stock, description of transaction |
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In August 2014, we filed a registration statement with the SEC registering the resale, from time to time, by certain persons of up to 3,178,410 shares of common stock, comprised of: (1) 1,741,238 shares of common stock issued in connection with our formation transactions at the time of our IPO, (2) 331,282 shares of common stock issuable upon exchange of OP units issued in connection with our formation transactions, which are exchangeable on a one-for-one basis, into cash or, at our option, shares of our common stock and (3) 1,105,890 shares of common stock granted under the 2013 Plan to our directors, officers and other employees.
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| Proceeds from the sale of the shares |
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$ 0us-gaap_ProceedsFromIssuanceOrSaleOfEquity
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$ 129,351,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
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$ 160,031,000us-gaap_ProceedsFromIssuanceOrSaleOfEquity
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| Sale of Stock, Cost |
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100,000hasi_SaleOfStockIssuanceCosts
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| Sale of common stock, value |
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129,351,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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157,981,000us-gaap_StockIssuedDuringPeriodValueNewIssues
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| First follow-on public offering, shares |
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4,600,000hasi_FollowOnPublicOfferingShares
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5,750,000hasi_FollowOnPublicOfferingShares
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| Share issued pursuant to underwriter |
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600,000hasi_CommonStockSharesIssuedPursuantToUnderwritersOption
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750,000hasi_CommonStockSharesIssuedPursuantToUnderwritersOption
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| First follow-on public offering, price per share |
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$ 13.60hasi_FollowOnPublicOfferingSharesPrice
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$ 13.00hasi_FollowOnPublicOfferingSharesPrice
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| Net proceeds from first follow-on from public offering |
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58,900,000hasi_ProceedsFromIssuanceOfFollowOnPublicOfferingNet
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70,400,000hasi_ProceedsFromIssuanceOfFollowOnPublicOfferingNet
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| Number of shares received by employees through reallocation |
202,826hasi_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReallocated
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| Value per share under stock based compensation plan |
$ 12.50us-gaap_SaleOfStockPricePerShare
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| Compensation expense |
5,800,000us-gaap_StockOptionPlanExpense
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| Income tax benefits on reallocation |
0hasi_IncomeTaxBenefitDueToImpactOfValuationAllowance
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| Number of restricted common stock granted |
606,415hasi_RestrictedStockUnitsGrantedDuringPeriod
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| Restricted common stock vesting period |
4 years
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| Scenario Forecast [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Sale of stock |
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3,178,410us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
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| Shares of common stock issued in connection formation transactions |
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1,741,238us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
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| Shares of common stock granted to directors, officers and other employees |
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1,105,890us-gaap_StockIssuedDuringPeriodSharesEmployeeStockOwnershipPlan
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
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| Sale of common stock, value |
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500,000,000us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
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| Scenario Forecast [Member] | Directors, Officers and Other Employees [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Common stock exchangeable ratio |
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Exchangeable on a one-for-one basis, into cash or, at our option, shares of our common stock
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| OP Units [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares received by employees through reallocation |
135,938hasi_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReallocated
/ us-gaap_AwardTypeAxis
= hasi_OperatingPartnershipUnitsMember
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| OP Units [Member] | Scenario Forecast [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares of common stock issuable upon exchange of OP units issued |
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331,282us-gaap_StockIssuedDuringPeriodSharesConversionOfUnits
/ us-gaap_AwardTypeAxis
= hasi_OperatingPartnershipUnitsMember
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioForecastMember
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| Performance Based Restricted Stock Award [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Number of shares received by employees through reallocation |
128,348hasi_ShareBasedCompensationArrangementByShareBasedPaymentAwardSharesReallocated
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockUnitsRSUMember
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| Restricted Common Stock [Member] | 2013 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Equity-based compensation shares vested |
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0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= hasi_RestrictedCommonStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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| Shares awarded |
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379,741us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
/ us-gaap_AwardTypeAxis
= hasi_RestrictedCommonStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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| Restricted Common Stock [Member] | 2013 Plan [Member] | Employees and Directors [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares awarded |
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149,359us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
/ us-gaap_AwardTypeAxis
= hasi_RestrictedCommonStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hasi_EmployeesAndDirectorsMember
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| Restricted common shares vesting years |
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Vest in 2015 through 2018
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| Restricted Common Stock [Member] | 2013 Plan [Member] | Certain Employees [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Shares awarded |
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379,741us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures
/ us-gaap_AwardTypeAxis
= hasi_RestrictedCommonStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
/ us-gaap_TitleOfIndividualAxis
= hasi_OtherEmployeesMember
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| Restricted Incentive [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Equity-based compensation shares vested |
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149,709us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
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| Restricted Incentive [Member] | 2013 Plan [Member] |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Assumed forfeiture rate for calculation of compensation expense |
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5.00%hasi_ExpectedForfeitureRateInDeterminingShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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| Equity-based compensation expense |
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5,200,000us-gaap_EmployeeBenefitsAndShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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7,100,000us-gaap_EmployeeBenefitsAndShareBasedCompensation
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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| Unrecognized compensation expense |
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$ 8,900,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_PlanNameAxis
= hasi_TwoThousandAndThirteenStockCompensationPlanMember
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| Weighted-average term in which unrecognized compensation expense is expected to be recognized |
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2 years
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