Stock-Based Compensation - Restricted Stock Activity (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended		9 Months Ended
	Jan. 31, 2022	Jan. 31, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Time-Based Restricted Stock Units
Number of Units
Beginning balance (in shares)	1,071,959		1,071,959
Granted (in shares)			403,517
Market-performance adjustment (in shares)			0
Vested (in shares)			(217,873)
Forfeited (in shares)			(134,681)
Ending balance (in shares)			1,122,922
Nonvested shares, aggregate intrinsic value			$ 27.6		$ 35.1
Shares vested, but not released (in shares)			46,890
Shares vested, but not released, aggregate intrinsic value			$ 1.2
Total outstanding awards (in shares)			1,169,812
Total outstanding awards, aggregate intrinsic value			$ 28.8
Market-Based Restricted Stock Units
Number of Units
Beginning balance (in shares)	374,048		374,048
Granted (in shares)			131,176
Market-performance adjustment (in shares)			(18,253)
Vested (in shares)	(194,111)	(799,591)	(194,111)
Forfeited (in shares)			(24,596)
Ending balance (in shares)			268,264
Nonvested shares, aggregate intrinsic value			$ 6.6		$ 12.3
Shares vested, but not released (in shares)			0
Shares vested, but not released, aggregate intrinsic value			$ 0.0
Total outstanding awards (in shares)			268,264
Total outstanding awards, aggregate intrinsic value			$ 6.6
Directors | Time-Based Restricted Stock Units
Number of Units
Granted (in shares)			4,810	6,616
Directors | Restricted Stock Units
Number of Units
Granted (in shares)			4,810	6,616
Shares vested, but not released (in shares)					46,890
Weighted average grant date fair value of vested awards (in USD per share)					$ 8.42