Commitments and Contingencies - Years In Which Commitments are Expected to be Paid (Details) $ in Thousands	Jun. 30, 2022 USD ($)
Other Commitments [Line Items]
Commitments to contribute capital to small business investment companies and CRA-related loan pools	$ 80,403
2022
Other Commitments [Line Items]
Commitments to contribute capital to small business investment companies and CRA-related loan pools	35,761
2023
Other Commitments [Line Items]
Commitments to contribute capital to small business investment companies and CRA-related loan pools	39,084
2024
Other Commitments [Line Items]
Commitments to contribute capital to small business investment companies and CRA-related loan pools	$ 5,558