CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Accounts receivable, unbilled services with related parties	$ 6.0	$ 2.7
Accounts payable includes related parties	0.7	0.3
Advanced billings with related parties	$ 11.4	$ 8.3
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock shares authorized	5,000,000	5,000,000
Preferred stock shares issued	0	0
Preferred stock shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock shares authorized	250,000,000	250,000,000
Common stock shares issued	33,651,360	36,006,778
Common stock shares outstanding	33,651,360	36,006,778
Treasury stock shares	81,573	180,000