Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Accounts receivable, allowance for credit loss	$ 16,011	$ 10,600
Unbilled services, allowance for credit losses	$ 4,779	$ 3,850
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (shares)	500,000,000	500,000,000
Common stock, shares issued (shares)	21,597,274	22,507,159
Treasury Stock, Common, Shares	2,848,126	2,711,712