Acquisitions - Intangible assets acquired (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2021 USD ($)
Non-compete agreements
Business Acquisition [Line Items]
Useful Life	2 years
Tactic
Business Acquisition [Line Items]
Fair Value	$ 12,913
Tactic | Customer relationships
Business Acquisition [Line Items]
Fair Value	$ 11,737
Useful Life	12 years
Tactic | Trade name
Business Acquisition [Line Items]
Fair Value	$ 1,176
Useful Life	4 years
Daxx
Business Acquisition [Line Items]
Fair Value	$ 8,174
Daxx | Customer relationships
Business Acquisition [Line Items]
Fair Value	$ 4,234
Useful Life	8 years
Daxx | Trade name
Business Acquisition [Line Items]
Fair Value	$ 3,500
Useful Life	10 years
Daxx | Non-compete agreements
Business Acquisition [Line Items]
Fair Value	$ 440
Useful Life	2 years