Investments in Qualified Affordable Housing Partnerships, Tax Credit and Other Investments, Net and Variable Interest Entities (Investments in Qualified Affordable Housing Partnerships, Net) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Investments in Qualified Affordable Housing Partnerships, Net [Abstract]
Minimum compliance period to fully utilize tax credits	15 years
Investments in qualified affordable housing partnerships, net	$ 289,741	$ 213,555
Accrued expenses and other liabilities — Unfunded commitments	146,152	77,444
Tax credits and other tax benefits recognized	50,591	45,971	$ 46,034
Amortization expense included in income tax expense	$ 33,248	$ 37,132	$ 36,561