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Credit Facilities and Long-Term Debt, Total Debt Outstanding (Details)
$ in Thousands, zł in Millions
Mar. 31, 2021
USD ($)
Mar. 31, 2021
PLN (zł)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
PLN (zł)
Credit Facilities and Long-Term Debt [Abstract]        
Revolving credit facilities $ 40,967   $ 10,000  
Other [1] 1,607   232  
Total debt 42,574   10,232  
Current maturities of debt 42,490   10,135  
Long-term debt 84   97  
HSBC Bank Polska S.A. [Member]        
Line of Credit Facility [Abstract]        
Overdraft facility $ 1,500 zł 5.9 $ 100 zł 0.4
[1] Other includes borrowings under our Polish overdraft facility of Zloty 5.9 million (approximately $1.5 million) and Zloty 0.4 million (approximately $0.1 million) as of March 31, 2021 and December 31, 2020, respectively.