Tax Credit Investments - Balance Sheet Disclosures (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Other Assets
Other Assets:
Affordable housing tax credit investments, net	$ 17,231	$ 20,074
Other tax credit investments, net	46,880	47,301
Total tax credit investments, net	64,111	67,375
Other Liabilities:
Other Liabilities:
Unfunded affordable housing tax credit commitments	1,379	1,379
Total unfunded tax credit commitments	$ 1,379	$ 1,379