Common and Preferred Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions		9 Months Ended
	Aug. 05, 2020	Sep. 30, 2022	Sep. 30, 2021	Feb. 07, 2019
Class Of Stock [Line Items]
Authorized repurchase of additional shares				500,000
Shares remain available for repurchase		546,283
Convertible Preferred Stock
Class Of Stock [Line Items]
Preferred stock dividend rate percentage	5.50%
Frequency of periodic payment of cumulative dividend	quarterly
Convertible preferred stock conversion price per share	$ 21.25
Dividends paid in cash		$ 5.9
Redemption value of the preferred stock		$ 141.8	$ 141.8
Crestview Partners | Convertible Preferred Stock
Class Of Stock [Line Items]
Convertible Preferred Stock, Shares Issued upon Conversion	135,000
Preferred Stock, Par value	$ 0.01
Purchase price	$ 135.0
Shares issued, price per share	$ 1,000
Effect on future earnings offset amount	$ 135.0
Capital raising expense	$ 9.2