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Leases (Amounts Reported in Unaudited and Audited Condensed Consolidated Balance Sheets for Operating Leases) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Leases [Abstract]    
Operating lease assets, net $ 36,424 $ 37,991
Short-term operating lease liabilities (in accrued expenses) $ 9,713 $ 9,283
Operating lease, liability, current, statement of financial position [Extensible List] us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
Long-term operating lease liabilities $ 33,509 $ 35,516
Total operating lease liabilities $ 43,222 $ 44,799