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Other Current Assets - Schedule of Other Current Assets (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]    
Prepaid insurance $ 4,109 $ 4,297
Restricted cash 3,231 2,426
Prepaid software maintenance 3,179 3,058
Prepaid vendor payments 1,275 1,835
Income tax receivable 905 337
Prepaid taxes 307 345
Prepaid other 1,423 1,296
Other 4,019 3,631
Other current assets $ 18,448 $ 17,225