Goodwill and Intangibles - Summary of Change in Carrying Amount of Goodwill (Detail) $ in Thousands	9 Months Ended
Sep. 30, 2020 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill (Gross), beginning balance	$ 265,656
Business Combinations	11,250
Other	(120)
Goodwill (Gross), ending balance	276,786
Accumulated Impairment Losses, beginning balance	(70,004)
Business combinations	0
Other	0
Accumulated Impairment Losses, ending balance	(70,004)
Goodwill (Net), beginning balance	195,652
Business Combinations	11,250
Other	(120)
Goodwill (Net), ending balance	$ 206,782

Goodwill accumulated impairment loss recognized in business combination.

No definition available.

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- Definition

Goodwill other accumulated impairment loss.

+ References

No definition available.

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(10)(1))
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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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