Affordable Housing Tax Credit Limited Partnership (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Equity Method Investments and Joint Ventures [Abstract]
Affordable housing tax credit investment	$ 7,000		$ 7,000
Less amortization	936		810
Net affordable housing tax credit investment	6,064		6,190
Unfunded commitment	$ 4,344		$ 4,596
Funding period for unfunded commitment (in years)	11 years
Investments in Affordable Housing Projects [Abstract]
Tax credits and other tax benefits recognized	$ 159	$ 84
Tax credit amortization expense included in provision for income taxes	$ 126	$ 45