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Software - Schedule of Software (Details) - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount $ 18,353 $ 17,675
Accumulated amortization (15,308) (14,280)
Net balance 3,045 3,395
Acquired and Software for Internal Use    
Finite Lived Intangible Assets [Line Items]    
Gross carrying amount 15,678 15,870
Accumulated amortization (14,032) (13,471)
Net balance $ 1,646 2,399
Acquired and Software for Internal Use | Minimum    
Finite Lived Intangible Assets [Line Items]    
Useful life 3 years  
Acquired and Software for Internal Use | Maximum    
Finite Lived Intangible Assets [Line Items]    
Useful life 7 years  
Software Marketed for External Sale    
Finite Lived Intangible Assets [Line Items]    
Useful life 3 years  
Gross carrying amount $ 2,675 1,805
Accumulated amortization (1,276) (809)
Net balance $ 1,399 $ 996