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Leases (Summary Of Supplemental Cash Flow Information Related To Leases) (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows for operating leases $ 505 $ 494
Operating cash flows for finance leases 375 403
Financing cash flows for finance leases 437 399
Right-of-use assets obtained in exchange for lease obligations:    
Operating leases 0 1,221
Finance leases $ 0 $ 0