Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Receivables, allowance for doubtful accounts	$ 12,404	$ 12,477
Deferred financing costs, less current maturities	611	380
Deferred financing costs, excluding current maturities	$ 22,826	$ 28,865
Preferred stock, par value (in usd per share)	$ 0.001	$ 0.001
Preferred stock, cumulative dividends (in usd per share)	$ 63.80	$ 63.80
Preferred stock, shares authorized (in shares)	5,720	5,720
Preferred stock, shares issued (in shares)	5,720	5,720
Preferred stock, shares outstanding (in shares)	5,720	5,720
Shares held in treasury (in shares)	890,558	840,935
Common Class A
Common stock, par value (in usd per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	362,500,000	362,500,000
Common stock, shares issued (in shares)	88,867,481	88,486,495
Common stock, shares, outstanding (in shares)	87,976,923	87,645,560
Common Class B
Common stock, par value (in usd 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