Investments is Low Income Housing Tax Credits Investments in Qualified Affordable Housing Projects - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2021		Dec. 31, 2020
Investments in Affordable Housing Projects [Abstract]
Original investment value	$ 162,879		$ 128,752
Amortization Method Qualified Affordable Housing Project Investments	121,992		97,435
Capital commitment relating to low income housing project investments	74,157		49,586
Tax credits and benefits	14,251	[1]	9,404
Income Tax Credits and Adjustments	1,572
Adjusted tax credits and benefits	15,823		9,404
Amortization of investments	12,437	[1]	7,552
Net income tax benefit	3,386	[1]	$ 1,852
Interest Receivable	$ 29,100

[1] Amounts shown represent the estimated full year impact for the year ended December 31, 2021.(2)Discrete adjustment recognized for difference in actual benefits as reported on Schedule K-1 versus estimated benefits for the year ended December 31, 2020.