Acquisitions - HireUp (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
	Dec. 13, 2022	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Payment for contingent liability				$ 6,579	$ 7,500	$ 7,500
Goodwill				$ 135,060	$ 135,430	$ 163,268
HireUp
Business Acquisition [Line Items]
Cash consideration, gross	$ 6,000
Equity consideration for acquisition value	$ 800
Equity consideration for acquisition (in shares)	29,811
Contingent consideration liabilities	$ 8,000
Payment for contingent liability		$ 1,700
Finite lived intangible assets			$ 6,900
Weighted average useful life of assets acquired			7 years
Goodwill	$ 1,600
HireUp | Trade names
Business Acquisition [Line Items]
Finite lived intangible assets			$ 900
Weighted average useful life of assets acquired			2 years
HireUp | Customer Lists
Business Acquisition [Line Items]
Finite lived intangible assets			$ 2,500
Weighted average useful life of assets acquired			10 years
HireUp | Databases
Business Acquisition [Line Items]
Finite lived intangible assets			$ 3,500
Weighted average useful life of assets acquired			7 years