ACQUISITIONS - Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021	Jun. 08, 2021
Business Acquisition [Line Items]
Goodwill	$ 113,360	$ 119,490
Workforce Solutions Group, Inc.
Business Acquisition [Line Items]
Cash and cash equivalents			$ 957
Accounts receivable			11,991
Other current assets			59
Property and equipment			10
Right-of-use assets			1,078
Goodwill			22,066
Other intangible assets			14,200
Total assets acquired			50,361
Accounts payable and accrued expenses			3,562
Accrued compensation and benefits			1,387
Lease liability - current			316
Lease liability - non-current			762
Earnout liability			15,000
Total liabilities assumed			21,027
Net assets acquired			$ 29,334