Affordable Housing Projects Tax Credit Partnerships - Tax Credits and Other Tax Benefits Recognized and Amortization Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Effective Yield Method
Tax credits and other tax benefits recognized	$ 2,151	$ 2,938
Amortization Expense in Provision for Income Taxes	1,692	2,147
Proportional Amortization Method
Tax credits and other tax benefits recognized	2,591	1,523
Amortization Expense in Provision for Income Taxes	$ 2,326	$ 1,318