Stock Based Compensation Plan (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Aug. 31, 2021
Stock Based Compensation Plan [Abstract]
Compensation cost related to unvested equity awards		$ 8.6
Weighted-average period for recognition of cost		2 years
Selling, General and Administrative Expense [Member]
Stock Based Compensation Plan [Abstract]
Stock-based compensation expense		$ 6.5	$ 3.4
Service-Based Restricted Stock Awards [Member]
Award Activity [Roll Forward]
Outstanding, beginning balance (in shares)		239,281
Granted/Issued (in shares)		119,921
Awards vested or rights exercised (in shares)	[1]	(130,323)
Forfeited (in shares)		(5,621)
Outstanding, ending balance (in shares)		223,258
Expected to vest (in shares)		223,258
Weighted-Average Award Price [Roll Forward]
Outstanding, beginning balance (in dollars per share)		$ 20.77
Granted/Issued (in dollars per share)		33.29
Awards vested or rights exercised (in dollars per share)	[1]	21.28
Forfeited (in dollars per share)		24.74
Outstanding, ending balance (in dollars per share)		27.10
Expected to vest (in dollars per share)		$ 27.10
Stock Based Compensation Plan [Abstract]
Fair value of vested shares		$ 6.1
Aggregate intrinsic value of outstanding awards		$ 7.5
Service-Based Restricted Stock Awards [Member] | Minimum [Member]
Stock Based Compensation Plan [Abstract]
Vesting period of awards		3 years
Service-Based Restricted Stock Awards [Member] | Maximum [Member]
Stock Based Compensation Plan [Abstract]
Vesting period of awards		4 years
Performance-Based Restricted Stock Awards [Member]
Award Activity [Roll Forward]
Outstanding, beginning balance (in shares)		213,895
Granted/Issued (in shares)		93,685
Awards vested or rights exercised (in shares)	[1]	(56,578)
Forfeited (in shares)		0
Additional units earned due to performance (in shares)		77,265
Outstanding, ending balance (in shares)		328,267
Expected to vest (in shares)		387,512
Weighted-Average Award Price [Roll Forward]
Outstanding, beginning balance (in dollars per share)		$ 21.08
Granted/Issued (in dollars per share)		32.83
Awards vested or rights exercised (in dollars per share)	[1]	22.95
Forfeited (in dollars per share)		0
Additional units earned due to performance (in dollars per share)		20.42
Outstanding, ending balance (in dollars per share)		23.96
Expected to vest (in dollars per share)		$ 25.36
Stock Based Compensation Plan [Abstract]
Fair value of vested shares		$ 2.0
Aggregate intrinsic value of outstanding awards		$ 13.1
Performance period		1 year
Cliff vesting period		3 years
2021 LTIP Plan [Member]
Stock Based Compensation Plan [Abstract]
Shares registered under the plan (in shares)				1,500,000

[1] Includes shares repurchased from employees for employee’s tax liability.