Hannon Armstrong Sustainable Infrastructure Capital, Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Our Portfolio - Analysis of Portfolio by Type of Obligor and Credit Quality (Footnotes) (Details)

v3.19.3

Our Portfolio - Analysis of Portfolio by Type of Obligor and Credit Quality (Footnotes) (Details)	9 Months Ended
	Sep. 30, 2019 USD ($) transaction	Dec. 31, 2018 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Financing receivables on non accrual status	$ 0	$ 0
Number of transactions \| transaction	175
Financial receivable outstanding	$ 9,000,000
Total aggregate remaining balance	60,000,000
Maximum [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Financial receivable outstanding	1,000,000
Commercial Non-Investment Grade [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Increase in finance receivables	72,000,000
Financial receivable outstanding	16,000,000
Special Purpose Subsidiaries [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Noncontrolling equity investments	19,000,000
Investment Grade by Independent Rating Agency [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total financing receivable	8,000,000
U.S. Federal Government [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total financing receivable	223,000,000
State, Local, Institutions [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Total financing receivable	111,000,000
Residential Solar Loan [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	445,000,000
Residential Solar Loan [Member] \| Special Purpose Subsidiaries [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans receivable	$ 260,000,000

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