HA Sustainable Infrastructure Capital, Inc. Annual report pursuant to Section 13 and 15(d)

Annual report pursuant to Section 13 and 15(d)

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

Long-term Debt - Additional Information (Details)

v3.19.3.a.u2

Long-term Debt - Additional Information (Details)										1 Months Ended		3 Months Ended	12 Months Ended
Long-term Debt - Additional Information (Details)	Jul. 15, 2021	Dec. 24, 2019 $ / shares	Sep. 12, 2019 $ / shares	Jun. 06, 2019 $ / shares	Feb. 21, 2019 $ / shares	Dec. 12, 2018 $ / shares	Sep. 12, 2018 $ / shares	May 31, 2018 $ / shares	Feb. 21, 2018 $ / shares	Feb. 24, 2020 $ / shares	Sep. 30, 2019 USD ($)	Mar. 31, 2019 $ / shares	Dec. 31, 2019 USD ($) $ / shares	Jul. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Debt Instrument [Line Items]
Principal, net of issuance costs													$ 700,000,000		$ 835,000,000
Dividends declared per share (in usd per share) \| $ / shares		$ 0.335	$ 0.335	$ 0.335	$ 0.335	$ 0.330	$ 0.330	$ 0.330	$ 0.330			$ 0.335
Senior Unsecured Notes
Debt Instrument [Line Items]
Principal											$ 150,000,000
Principal, net of issuance costs														$ 344,000,000
Proceeds from issuance of debt											157,000,000
Senior Unsecured Notes \| 2024 Notes
Debt Instrument [Line Items]
Principal													$ 500,000,000	$ 350,000,000
Principal, net of issuance costs											$ 155,000,000
Interest rate														5.25%
Maximum unencumbered assets percentage of unsecured debt													120.00%
Senior Unsecured Notes \| 2024 Notes \| Forecast
Debt Instrument [Line Items]
Redemption price, percentage	40.00%
Offer share percentage	105.25%
Convertible Notes Payable \| 4.125% Convertible Senior Notes Due September 1, 2022
Debt Instrument [Line Items]
Principal													$ 150,000,000		$ 150,000,000
Principal, net of issuance costs													$ 145,000,000
Interest rate													4.125%
Redemption price, percentage													100.00%
Conversion rate of shares for each $1,000 principal amount of convertible notes													36.7367
Conversion price per share (in usd per share) \| $ / shares													$ 27.22
Adjustment for dividends declared (in usd per share) \| $ / shares													$ 0.33
Subsequent Event
Debt Instrument [Line Items]
Dividends declared per share (in usd per share) \| $ / shares										$ 0.34

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