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Summary of Significant Accounting Policies (Equity and Accumulated Other Comprehensive Loss) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Mar. 06, 2020
Feb. 25, 2020
Feb. 24, 2020
May 07, 2019
May 07, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Mar. 03, 2020
Oct. 26, 2018
Equity, Class of Treasury Stock [Line Items]                    
Foreign currency translation, Beginning balance           $ (88,795) $ (91,472)      
Foreign currency translation, Other comprehensive income (loss) before reclassifications           (8,408) 2,677      
Foreign currency translation           (8,408) 2,677 $ (5,428)    
Foreign currency translation, Ending balance           (97,203) (88,795) (91,472)    
Unrealized gain (loss) on on derivatives, Beginning balance           (840)        
Unrealized gain (loss) on on derivatives, Other comprehensive income (loss) before reclassifications           859 (2,366)      
Unrealized gain (loss) on on derivatives, Amounts reclassified from accumulated other comprehensive loss           160 1,526      
Unrealized gain (loss) on derivatives, net           1,019 (840) (292)    
Unrealized gain (loss) on on derivatives, Ending balance           179 (840)      
Total, Other comprehensive loss before reclassifications           (7,549) 311      
Total, Amounts reclassified from accumulated other comprehensive loss           160 1,526      
Other Comprehensive Income (Loss), Net of Tax, Total           (7,389) 1,837      
Accumulated Other Comprehensive Income (Loss), Net of Tax, Total           $ (97,024) (89,635) (91,472)    
Stock Repurchase Program, Authorized Amount     $ 50,000             $ 50,000
Period Over Which Share Will Be Repurchased     18 months              
Stock repurchased and retired during period, shares   364,604                
Payments for repurchase of common stock             $ 4,995 $ 50,000    
Treasury Stock [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Treasury stock, retired, cost method, amount   $ 10,000                
Additional Paid-In Capital [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Treasury stock, retired, cost method, amount   $ 10,000                
Accelerated Share Repurchase Agreement [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Treasury stock, retired, cost method, amount       $ 40,000            
Percentage of Expected Shares Repurchased       80.00% 80.00%          
Equity Increase Decrease Related to Shares Repurchase Program       $ 10,000            
Stock repurchased and retired during period, shares         1,349,528          
Payments for repurchase of common stock         $ 50,000          
Agreement Letter 10b18 [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Stock Repurchase Program, Authorized Amount                 $ 5,000  
Treasury stock, retired, cost method, amount $ 4,995                  
Treasury Stock, Shares, Retired 242,634                  
Agreement Letter 10b18 [Member] | Additional Paid-In Capital [Member]                    
Equity, Class of Treasury Stock [Line Items]                    
Treasury stock, retired, cost method, amount $ 4,995