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Leases (Supplemental Cash Flow Information) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Cash Paid for Amounts in the Measurement of Lease Liabilities:    
Operating Cash Flows from Finance Leases $ 363 $ 378
Operating Cash Flows from Operating Leases 1,710 1,734
Financing Cash Flows from Finance Leases $ 125 $ 109