Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Variable Interest Entities) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Investments in Tax Credit and Other Investments, Net [Line Items]
Pre-tax recoveries	$ 0	$ 374
Fair Value	6,729,431		$ 9,965,353
Collateralized loan obligations (“CLOs”)
Investments in Tax Credit and Other Investments, Net [Line Items]
Fair Value	611,803		589,950
Collateralized loan obligations (“CLOs”) | AFS debt securities
Investments in Tax Credit and Other Investments, Net [Line Items]
Fair Value	$ 291,200		$ 291,700