Fair Value Measurements - Additional Information (Details)
$ in Millions
|4 Months Ended|
Dec. 31, 2020
|Fair Value Disclosures [Abstract]|
|Decrease in fair value of liabilties presented in derivative warrant liabilities||$ 8.7|
Amount of increase (decrease) in fair value adjustment on other assets (liabilities) carried at fair value under the fair value option on the statement of cash flows of Federal Home Loan Banks (FHLBanks).
No definition available.