Leases (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Lessee Lease Description [Line Items]
Operating leases options to extend [true false]			true
Operating leases Options to terminate			2 months
Operating lease, description			The Company has operating leases for branch office locations, vehicles and certain office equipment such as printers, copiers and faxes. The leases have remaining lease terms of 7 months to 8.3 years, some of which include options to extend the lease for up to 10 years and some of which include options to terminate the leases within 2 months.
Operating lease, right-of-use asset	$ 4,500		$ 4,500		$ 4,800
Operating lease, liability	4,687		4,687		$ 5,000
Operating lease, payments	206	$ 191	610	$ 581
Finance leases, interest expense	44	38	116	95
Finance leases, amortization expense	$ 124	$ 121	$ 366	$ 334
Weighted average remaining lease term			4 years 2 months 12 days
Weighted-average discount rate	2.40%		2.40%
Minimum
Lessee Lease Description [Line Items]
Operating leases remaining lease terms	7 months		7 months
Maximum
Lessee Lease Description [Line Items]
Operating leases remaining lease terms	8 years 3 months 18 days		8 years 3 months 18 days
Operating leases options to extend			10 years