Investment in Qualified Affordable Housing (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Equity Method Investments and Joint Ventures [Abstract]
Investment in qualified affordable housing tax credits amortization	$ 1,900	$ 1,800	$ 5,567	$ 5,487
Affordable housing tax credit investments	60,457		60,457		$ 56,024
Affordable Housing Program Obligation	33,116		33,116		$ 29,298
Affordable Housing Tax Credits and Other Tax Benefits, Amount	$ 1,900	$ 2,300	$ 7,200	$ 6,900