Cover Page |
Jan. 05, 2021 |
|---|---|
| Cover [Abstract] | |
| Document Type | 8-K/A |
| Document Period End Date | Jan. 05, 2021 |
| Entity Registrant Name | Hannon Armstrong Sustainable Infrastructure Capital, Inc. |
| Entity Central Index Key | 0001561894 |
| Amendment Flag | true |
| Amendment Description | On January 5, 2021, Hannon Armstrong Sustainable Infrastructure Capital, Inc. (the “Company”) filed with the Securities and Exchange Commission a Current Report on Form 8-K (the “Form 8-K”) to report that the Company has made a series of capital contributions to two partnerships with subsidiaries of ENGIE S.A. (“ENGIE”), the largest independent power producer and energy efficiency services provider in the world. This Amendment No. 1 on Form 8-K/A is being filed by the Company to amend and restate the original Form 8-K in its entirety, and to supplement the original Form 8-K to include the financial statements and pro forma information required by Item 9.01. |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 001-35877 |
| Entity Tax Identification Number | 46-1347456 |
| Entity Address, Address Line One | 1906 Towne Centre Blvd |
| Entity Address, Address Line Two | Suite 370 |
| Entity Address, City or Town | Annapolis |
| Entity Address, State or Province | MD |
| Entity Address, Postal Zip Code | 21401 |
| City Area Code | 410 |
| Local Phone Number | 571-9860 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, $0.01 par value per share |
| Trading Symbol | HASI |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |