Tax Credit Investments - Income Statement Disclosures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Components of Income Tax Expense:
Affordable housing tax credits and other tax benefits	$ 1,396	$ 1,459
Other tax credit investment credits and tax benefits	6,345	3,221
Total reduction in income tax expense	7,741	4,680
Non-Interest Expenses
Amortization of Tax Credit Investments:
Affordable housing tax credit investment losses	875	937
Affordable housing tax credit investment impairment losses	481	448
Other tax credit investment losses	600	6
Other tax credit investment impairment losses	3,606	2,862
Total amortization of tax credit investments recorded in non-interest expense	$ 5,562	$ 4,253