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Basis of Presentation and Significant Accounting Policies - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 59,487	$ 69,506
Accumulated Amortization	(42,516)	(38,437)
Total	16,971	31,069
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	32,890	39,050
Accumulated Amortization	(23,946)	(23,688)
Total	8,944	15,362
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	11,408	11,407
Accumulated Amortization	(11,408)	(9,203)
Total	0	2,204
Intellectual property
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	14,029	17,889
Accumulated Amortization	(6,002)	(4,386)
Total	8,027	13,503
Non-compete agreement
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	1,160	1,160
Accumulated Amortization	(1,160)	(1,160)
Total	$ 0	$ 0

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-Publisher FASB
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