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Leases (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
contract
Dec. 31, 2019
USD ($)
Lessee, Lease, Description [Line Items]    
Weighted average remaining lease term 11 years 3 months 10 days  
Weighted average discount rate 2.72%  
Lease expense $ 1,200 $ 875
Immediate Family Member of Board of Director [Member]    
Lessee, Lease, Description [Line Items]    
Number of leasing arrangements | contract 2  
Lease expense $ 150 $ 89