Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Allowance for doubtful accounts	$ 11,952	$ 12,477
Current deferred financing costs	339	380
Noncurrent deferred financing costs	$ 27,380	$ 28,865
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, cumulative dividends (in dollars per share)	$ 63.80	$ 63.80
Preferred stock, shares authorized (in shares)	5,720	5,720
Preferred stock, shares outstanding (in shares)	5,720	5,720
Preferred stock, shares issued (in shares)	5,720	5,720
Shares held in treasury (in shares)	890,558	840,935
Class A CMN Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	362,500,000	362,500,000
Common stock, shares issued (in shares)	88,711,167	88,486,495
Common stock, shares outstanding (in shares)	87,820,609	87,645,560
Class B CMN Stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	37,500,000	37,500,000
Common stock, shares issued (in shares)	14,420,085	14,420,085
Common stock, shares outstanding (in shares)	14,420,085	14,420,085