Business Combinations and Asset Acquisitions - Summary of assets acquired at fair value (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Consideration paid:
Cash, net of cash acquired					$ 0	$ 22,896	$ 0
Identifiable assets acquired and liabilities assumed
Goodwill			$ 123,694		124,593	123,694	98,531	$ 98,520
Contingent consideration					0	783	0
Measurement period adjustments					2,154	$ 26,600	$ 0
HTL
Consideration paid:
Cash, net of cash acquired				$ 4,920
Class A Common Stock issued				1,557
Trade receivables due from seller				1,027
Notes payable to seller				0
Total consideration				7,504
Identifiable assets acquired and liabilities assumed
Accounts receivable	$ 1,110			1,110
Inventory and other assets	354			354
Accounts payable	(45)			(45)
Deferred tax liabilities, net	(675)			(675)
Accrued and other liabilities	(802)			(802)
Total identifiable net assets	2,738			2,738
Goodwill	4,766			$ 4,766
Equity consideration (in shares)				110,726
HTL | Non-compete agreement
Identifiable assets acquired and liabilities assumed
Intangible assets	100			$ 100
HTL | Customer relationships
Identifiable assets acquired and liabilities assumed
Intangible assets	2,696			2,696
Wigmore
Consideration paid:
Cash, net of cash acquired				2,540
Class A Common Stock issued				456
Trade receivables due from seller				2,336
Notes payable to seller				0
Total consideration				5,332
Identifiable assets acquired and liabilities assumed
Accounts receivable	2,079			2,079
Inventory and other assets	341			341
Accounts payable	(456)			(456)
Deferred tax liabilities, net	(842)			(842)
Accrued and other liabilities	(317)			(317)
Total identifiable net assets	3,141			3,141
Goodwill	2,191			$ 2,191
Equity consideration (in shares)				28,157
Contingent consideration			300
Decrease to intangible assets			$ 1,000
Wigmore | Non-compete agreement
Identifiable assets acquired and liabilities assumed
Intangible assets	60			$ 60
Wigmore | Customer relationships
Identifiable assets acquired and liabilities assumed
Intangible assets	2,276			2,276
Ecomedic
Consideration paid:
Cash, net of cash acquired				11,338
Class A Common Stock issued				6,513
Trade receivables due from seller				1,679
Notes payable to seller				2,153
Total consideration				21,683
Identifiable assets acquired and liabilities assumed
Accounts receivable	15			15
Inventory and other assets	1,262			1,262
Accounts payable	(772)			(772)
Deferred tax liabilities, net	(2,008)			(2,008)
Accrued and other liabilities	(340)			(340)
Total identifiable net assets	4,232			4,232
Goodwill	17,451			$ 17,451
Equity consideration (in shares)				401,021
Measurement period adjustments		$ 200			200
Ecomedic | Non-compete agreement
Identifiable assets acquired and liabilities assumed
Intangible assets	588			$ 588
Ecomedic | Customer relationships
Identifiable assets acquired and liabilities assumed
Intangible assets	5,487			5,487
Sidermica
Consideration paid:
Cash, net of cash acquired				6,861
Class A Common Stock issued				815
Trade receivables due from seller				1,581
Notes payable to seller				0
Total consideration				9,257
Identifiable assets acquired and liabilities assumed
Accounts receivable	1,657			1,657
Inventory and other assets	454			454
Accounts payable	0			0
Deferred tax liabilities, net	0			0
Accrued and other liabilities	0			0
Total identifiable net assets	4,911			4,911
Goodwill	4,346			$ 4,346
Equity consideration (in shares)				50,195
Measurement period adjustments	1,980				$ 1,980
Sidermica | Non-compete agreement
Identifiable assets acquired and liabilities assumed
Intangible assets	100			$ 100
Sidermica | Customer relationships
Identifiable assets acquired and liabilities assumed
Intangible assets	$ 2,700			$ 2,700