Investment in Qualified Affordable Housing (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]
Investment in qualified affordable housing tax credits amortization	$ 1,800	$ 1,800	$ 5,487	$ 5,438
Affordable housing tax credit investments	57,583		57,583		$ 53,070
Affordable Housing Program Obligation	31,593		31,593		$ 25,894
Affordable Housing Tax Credits and Other Tax Benefits, Amount	$ 2,300	$ 2,600	$ 6,900	$ 6,900