Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share of Common Stock - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Detail)

v2.4.1.9
Earnings per Share of Common Stock - Schedule of Computation of Basic and Diluted Earnings Per Common Share (Detail) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Numerator:    
Net income attributable to controlling shareholders and participating securities $ 2,122us-gaap_NetIncomeLoss $ 2,753us-gaap_NetIncomeLoss
Less: Dividends paid on participating securities (375)hasi_DividendPaidOnParticipatingSecurities (127)hasi_DividendPaidOnParticipatingSecurities
Undistributed earnings attributable to participating securities 0hasi_UndistributedEarningsToParticipatingSecurities 0hasi_UndistributedEarningsToParticipatingSecurities
Net income attributable to controlling shareholders $ 1,747hasi_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted $ 2,626hasi_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
Denominator:    
Weighted-average number of common shares - basic 26,386,080us-gaap_WeightedAverageNumberOfSharesOutstandingBasic 15,892,927us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Weighted average common shares outstanding - diluted 26,386,080us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding 16,494,309us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Basic earnings per common share $ 0.07us-gaap_EarningsPerShareBasic $ 0.17us-gaap_EarningsPerShareBasic
Diluted earnings per common share $ 0.07us-gaap_EarningsPerShareDiluted $ 0.17us-gaap_EarningsPerShareDiluted