Low-Income Housing Tax Credits (Details) $ in Thousands		12 Months Ended
		Dec. 31, 2020 USD ($) Fund	Dec. 31, 2019 USD ($) Fund
Low-Income Housing Tax Credits [Abstract]
Number of housing equity funds | Fund		4	4
Low-income housing investment		$ 2,300	$ 3,000
Additional committed capital calls expected		18	50
Amortization expense		688	216
Tax credits and other benefits [Abstract]
Amortization of operating losses		688	216
Tax benefit of operating losses	[1]	144	45
Tax credits		419	441
Total tax benefit		$ 563	$ 486
Effective income tax rate		21.00%

[1] Computed using a 21% tax rate.