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
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Long-term Debt - Additional Information (Details)

v3.19.1

Long-term Debt - Additional Information (Details)		3 Months Ended					12 Months Ended
Long-term Debt - Additional Information (Details)	Apr. 04, 2019 $ / shares	Mar. 31, 2019 USD ($) $ / shares	Dec. 31, 2018 USD ($) $ / shares	Sep. 30, 2018 $ / shares	Jun. 30, 2018 $ / shares	Mar. 31, 2018 USD ($) $ / shares	Dec. 31, 2017
Debt Instrument [Line Items]
Principal, net of issuance costs		$ 815,000,000	$ 835,000,000
Dividends declared per share (in usd per share) \| $ / shares		$ 0.335	$ 0.33	$ 0.33	$ 0.33	$ 0.33
Total interest expense		$ 15,430,000				$ 18,711,000
Convertible Senior Notes [Member] \| 4.125% Convertible Senior Notes Due September 1, 2022 [Member]
Debt Instrument [Line Items]
Principal		150,000,000	$ 150,000,000
Principal, net of issuance costs		$ 145,000,000
Interest rate		4.125%
Adjustment for dividends declared (in usd per share) \| $ / shares		$ 0.335
Redemption price, percentage							100.00%
Total interest expense		$ 2,000,000				$ 2,000,000
Convertible Senior Notes [Member] \| 4.125% Convertible Senior Notes Due September 1, 2022 [Member] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Conversion rate of shares for each $1,000 principal amount of convertible notes	36.7179
Conversion price per share (in usd per share) \| $ / shares	$ 27.23

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