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Organization and Summary of Significant Accounting Policies Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]    
Foreign currency translation adjustments $ (10,127) $ (12,422)
Unrealized (losses) gains on interest rate swaps, net of tax (1) (232) 1,425
Accumulated other comprehensive loss $ (10,359) $ (10,997)