Tax Credit Investments - Affordable Housing Tax Credit Investments, Other Tax Credit Investments, and Related Unfunded Commitments (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Other Assets:
Other Assets:
Affordable housing tax credit investments, net	$ 20,074	$ 25,049
Other tax credit investments, net	47,301	59,081
Total tax credit investments, net	67,375	84,130
Other Liabilities:
Other Liabilities:
Unfunded affordable housing tax credit commitments	1,379	1,539
Unfunded other tax credit commitments	0	1,139
Total unfunded tax credit commitments	$ 1,379	$ 2,678