Share-Based Compensation - Nonvested Restricted Stock (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($) installment $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares
Weighted-Average Grant Date Fair Value
Weighted average period to recognize nonvested awards (in years)	9 months 7 days
Common shares reserved for stock option and restricted stock grants (in shares)	8,600,000
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rate, initial year	33.33%
Quarterly award vesting installments after initial year | installment	8
Non-Vested Number of Shares
Nonvested awards, beginning balance (in shares)	222,525	427,539	107,954
Granted (in shares)	2,871	8,979	388,089
Vested (in shares)	(141,206)	(213,993)	(68,504)
Forfeited (in shares)	0	0	0
Nonvested awards, ending balance (in shares)	84,190	222,525	427,539
Weighted-Average Grant Date Fair Value
Nonvested awards outstanding, beginning balance (in dollars per share) | $ / shares	$ 24.76	$ 26.86	$ 52.08
Granted (in dollars per share) | $ / shares	29.61	27.84	24.37
Vested (in dollars per share) | $ / shares	25.88	29.08	52.49
Forfeited (in dollars per share) | $ / shares	0	0	0
Nonvested awards outstanding, ending balance (in dollars per share) | $ / shares	$ 23.05	$ 24.76	$ 26.86
Stock compensation expense recognized on restricted grants | $	$ 3.3	$ 4.8	$ 4.3
Unrecognized compensation cost, share-based compensation arrangements | $	1.3
Fair value of shares vested during period | $	$ 3.3	$ 6.2	$ 3.6