Investment in Qualified Affordable Housing (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]
Investment in qualified affordable housing tax credits amortization	$ 1,800	$ 1,800	$ 3,658	$ 3,625
Affordable housing tax credit investments	59,412		59,412		$ 53,070
Affordable Housing Program Obligation	31,763		31,763		$ 25,894
Affordable Housing Tax Credits and Other Tax Benefits, Amount	$ 2,900	$ 2,100	$ 4,600	$ 4,300