Qualified Affordable Housing Project Investments (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
Federal Home Loan Banks [Abstract]
Amortization Method Qualified Affordable Housing Project Investments	$ 2,900		$ 2,900		$ 3,000
Qualified Affordable Housing Project Investments, Commitment	446		446		$ 798
Amortization Method Qualified Affordable Housing Project Investments, Amortization	$ 57	$ 57	172	$ 172
Affordable Housing Tax Credits and Other Tax Benefits Expected to Be Received			311
Affordable Housing Tax Credits and Other Tax Benefits, Amount			$ 244	$ 285