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Leases (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Lessee Lease Description [Line Items]        
Operating leases options to extend [true false]     true  
Operating leases Options to terminate     7 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 10 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 7 months.  
Operating lease, right-of-use asset $ 4,800 $ 3,400 $ 4,800 $ 3,400
Operating lease, liability 4,854 3,400 4,854 3,400
Operating lease, payments 195 146 390 292
Finance leases, interest expense 34 26 57 53
Finance leases, amortization expense $ 107 $ 89 $ 213 $ 177
Weighted average remaining lease term     5 years 2 months 12 days  
Weighted-average discount rate 3.10%   3.10%  
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 10 years   10 years  
Operating leases options to extend     10 years