Business Combinations - Assets Acquired and Liabilities Assumed - DHP (Details) - USD ($) $ in Thousands		12 Months Ended
	Feb. 26, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Goodwill		$ 3,705,199	$ 4,363,070	$ 4,257,336
Measurement period adjustments, Goodwill		51	(2,701)
Useful life (in years)	15 years 9 months
Customer relationships
Business Acquisition [Line Items]
Carrying value		$ 2,367,400	2,646,601
Weighted-average amortization period	16 years	15 years
Trade Names
Business Acquisition [Line Items]
Carrying value		$ 2,002	2,280
Weighted-average amortization period	10 years	9 years
DHP
Business Acquisition [Line Items]
Total consideration transferred in cash		$ 151,776	151,776
Measurement period adjustments, Total consideration transferred in cash		0
Cash and cash equivalents		2,100	2,100
Measurement period adjustments, Cash and cash equivalents		0
Trade accounts receivable, net		2,993	2,993
Measurement period adjustments, Trade accounts receivable		0
Prepaid expenses		369	369
Measurement period adjustments, Prepaid expenses		0
Other current assets, net		119	119
Measurement period adjustments, Other current assets, net		0
Property and equipment, net		9,056	9,056
Measurement period adjustments, Property and equipment, net		0
Other assets		276	276
Measurement period adjustments, Other assets		0
Other Intangibles, net		41,060	41,060
Measurement period adjustments, Other intangibles, net		0
Accounts payable		(458)	(458)
Measurement period adjustments, Accounts payable		0
Other accrued expenses		(5,209)	(5,209)
Measurement period adjustments, Other accrued expenses		0
Deferred income taxes		(6,266)	(6,215)
Measurement period adjustments, Deferred income taxes		(51)
Long-Term Liabilities		(553)	(553)
Measurement period adjustments, Long-Term Liabilities		0
Total identifiable net assets		43,487	43,538
Measurement period adjustments, Total identifiable net assets		(51)
Goodwill		108,289	$ 108,238
Measurement period adjustments, Goodwill		$ 51
DHP | Software and Software Development Costs
Business Acquisition [Line Items]
Property and equipment, net	$ 8,900
DHP | Property, Plant and Equipment, Other Types
Business Acquisition [Line Items]
Property and equipment, net	200
DHP | Customer relationships
Business Acquisition [Line Items]
Carrying value	39,800
DHP | Trade Names
Business Acquisition [Line Items]
Carrying value	$ 1,200