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Goodwill and Intangible Assets - Schedule of Acquired Finite-Lived Intangible Asset by Major Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 159,048	$ 151,204
Accumulated Amortization	(118,719)	(106,967)
Net Carrying Value	$ 40,329	$ 44,237
Weighted-average amortization period	6 years 8 months 12 days	3 years 9 months 18 days
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2021	$ 9,678
2022	4,711
2023	4,614
2024	4,152
2025	4,050
Customer relationships
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	131,948	$ 127,362
Accumulated Amortization	(101,319)	(92,354)
Net Carrying Value	$ 30,629	$ 35,008
Weighted-average amortization period	3 years 3 months 18 days	4 years
Technology-based
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 18,183	$ 16,562
Accumulated Amortization	(10,174)	(9,108)
Net Carrying Value	$ 8,009	$ 7,454
Weighted-average amortization period	6 years 6 months	7 years
Trade name
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,123	$ 1,795
Accumulated Amortization	(1,737)	(1,636)
Net Carrying Value	$ 1,386	$ 159
Weighted-average amortization period	6 years	1 year 8 months 12 days
Other
Acquired Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 5,794	$ 5,485
Accumulated Amortization	(5,489)	(3,869)
Net Carrying Value	$ 305	$ 1,616
Weighted-average amortization period	10 years 1 month 6 days	1 year 9 months 18 days

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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