Business Combinations - Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands		6 Months Ended
	Apr. 07, 2022	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Business Acquisition [Line Items]
Equity issued		$ 7,501	$ 0
Liabilities:
Goodwill		$ 67,164		$ 91,636
ProModel
Business Acquisition [Line Items]
Cash paid	$ 8,470
Equity issued	7,501
Purchase consideration	15,971
Assets:
Cash	4,094
Accounts receivable	743
Prepaid expenses and other current assets	1,600
Contract assets	398
Property and equipment	83
Other non-current assets	21
Intangible assets	9,300
Total assets acquired	16,239
Liabilities:
Accounts payable	5
Accrued liabilities	7,752
Contract liabilities	1,555
Deferred tax liabilities	1,736
Total liabilities acquired	11,048
Fair value of net identifiable assets acquired	5,191
Goodwill	$ 10,780