Low-Income Housing Tax Credits (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2022 USD ($) Fund	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($) Fund
Low-Income Housing Tax Credits [Abstract]
Number of housing equity funds | Fund		4		4
Low-income housing investment		$ 1,800		$ 1,900
Additional committed capital calls expected		0
Tax credits and other benefits [Abstract]
Amortization of operating losses		51	$ 49
Tax benefit of operating losses	[1]	11	10
Tax credits		89	94
Total tax benefits		$ 100	$ 104
Effective income tax rate		21.00%

[1] Computed using a 21% tax rate.