Investments is Low Income Housing Tax Credits Investments in Qualified Affordable Housing Projects - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021		Dec. 31, 2020
Investments in Affordable Housing Projects [Abstract]
Original investment value	$ 152,766		$ 128,752
Amortization Method Qualified Affordable Housing Project Investments	117,915		97,435
Capital commitment relating to low income housing project investments	66,968		49,586
Tax credits and benefits	14,202	[1]	9,404
Amortization of investments	12,298	[1]	7,552
Net income tax benefit	1,904	[1]	$ 1,851
Interest Receivable	$ 33,400

[1] (1) Amounts shown represent the full year impact for the year ended December 31, 2021.