Intangible Assets, net (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 185,017	$ 171,564
Accumulated Amortization	(107,546)	(119,194)
Customer-related (10-25 year life)
Finite-Lived Intangible Assets
Gross Carrying Amount	147,244	107,008
Accumulated Amortization	$ (76,176)	(69,678)
Customer-related (10-25 year life) \| Minimum
Finite-Lived Intangible Assets
Useful life	10 years
Customer-related (10-25 year life) \| Maximum
Finite-Lived Intangible Assets
Useful life	25 years
Contract-based (5-7 year life)
Finite-Lived Intangible Assets
Gross Carrying Amount	$ 37,773	64,556
Accumulated Amortization	$ (31,370)	$ (49,516)
Contract-based (5-7 year life) \| Minimum
Finite-Lived Intangible Assets
Useful life	5 years
Contract-based (5-7 year life) \| Maximum
Finite-Lived Intangible Assets
Useful life	7 years

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

No definition available.

+ Details

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 928
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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