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.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Goodwill and Other Intangible Assets - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Dec. 31, 2017
Goodwill
Goodwill	$ 322,699		$ 322,699		$ 277,223
Amortization expense	$ 1,200	$ 1,600	$ 3,400	$ 4,600
Products & Services
Goodwill
Goodwill						$ 139,300