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Leases (Summary of Lease Costs and Other Lease Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Lease costs:    
Operating lease costs $ 668 $ 680
Variable lease costs [1] 113 98
Sublease income (12) (11)
Net lease costs 769 767
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases 643 661
Right of use assets obtained in exchange for new operating lease liabilities $ 90 $ 864
[1] Variable lease costs primarily represent variable payments such as common area maintenance, insurance, taxes and utilities.