Acquisitions - Aggregate Purchase Price of Acquisitions (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended						12 Months Ended
	Oct. 31, 2020	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Cash paid, net of cash acquired								$ 80,078	$ 21,801	$ 36,585
2021 Acquisitions
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Cash paid, net of cash acquired		$ 40,800	$ 3,900	$ 16,000	$ 19,200			79,927
Issuance of Seller Notes at fair value		12,300	1,500	4,900	4,000			22,706
Additional consideration, net			800	100	1,000			1,925
Aggregate purchase price		53,100	$ 6,200	$ 21,000	$ 24,200			104,558
Accounts receivable		6,569						6,569
Inventories		4,683						4,683
Other assets and liabilities, net		(5,121)						(5,121)
Net assets acquired		18,434						18,434
Goodwill								86,124
2021 Acquisitions | Customer Relationships
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net		11,745						$ 11,745
Weighted average useful life								5 years
2021 Acquisitions | Non-compete agreements
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net		$ 558						$ 558
Weighted average useful life								5 years
2020 Acquisitions
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Cash paid, net of cash acquired						$ 4,900	$ 16,800		21,709
Issuance of Seller Notes at fair value						1,900	21,900		23,766
Deferred payment obligation at fair value							3,500		3,468
Additional consideration, net	$ 3,600					300	4,000		4,319
Aggregate purchase price						7,100	$ 46,200		53,262
Accounts receivable						4,224			4,224
Inventories						2,276			2,276
Other assets and liabilities, net						(4,561)			(4,561)
Net assets acquired						8,497			8,497
Goodwill									44,765
2020 Acquisitions | Customer Relationships
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net						6,358			$ 6,358
Weighted average useful life									5 years
2020 Acquisitions | Non-compete agreements
Aggregate purchase price of this acquisition was allocated on a preliminary basis
Other intangible assets, net						$ 200			$ 200
Weighted average useful life									5 years