UNAUDITED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' DEFICIT - USD ($) $ in Thousands	Total	Parent [Member]	Common Shares Common Class A & B	Common Shares Class C	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Balance (in shares) at Dec. 31, 2023			118,469,000	151,649,000
Balance at Dec. 31, 2023	$ 825,272	$ 356,695	$ 118	$ 2	$ 348,494	$ 21,148	$ (13,067)	$ 468,577
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(1,282)				(1,282)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(713)
Income attributable to noncontrolling interests	569							569
Other Comprehensive Income (Loss), Net of Tax	(7,146)	(2,864)					(2,864)	4,282
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(7,859)	(4,146)				(1,282)	(2,864)	3,713
Reduction of noncontrolling and redeemable noncontrolling interest	(8,482)	1,744			1,744			(10,226)
Changes in redemption value of RNCI, net of tax	(250)	(250)				(250)
Restricted Awards Granted or Vested (in shares)			151,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	(254)	(254)	$ 0		(254)
Shares acquired and cancelled (in shares)			(4,828,000)
Stock Repurchased and Retired During Period, Value	(30,586)	(30,586)	$ (5)		(30,581)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(18,000)
Stock-based compensation	13,550	13,550			13,550
Stock Issued During Period, Shares, Acquisitions			993,000
Stock Issued During Period, Value, Acquisitions	6,139	6,139	$ 1		6,138
Change in ownership held by Class C holders	0	(6,047)			(6,047)			6,047
Other, Shares			52,000
Stockholders' Equity, Other	(448)	347	$ (1)		344	2		(795)
Balance (in shares) at Mar. 31, 2024			114,819,000	151,649,000
Balance at Mar. 31, 2024	797,590	337,700	$ 115	$ 2	333,896	19,618	(15,931)	459,890
Balance (in shares) at Dec. 31, 2024			114,847,000	151,649,000
Balance at Dec. 31, 2024	776,905	331,731	$ 115	$ 2	343,647	11,740	(23,773)	445,174
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss		(2,917)				(2,917)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(5,325)
Income attributable to noncontrolling interests	(2,408)							(2,408)
Other Comprehensive Income (Loss), Net of Tax	10,498	4,471					4,471	6,027
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	5,173	1,554				(2,917)	4,471	(3,619)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(581)							(581)
Changes in redemption value of RNCI, net of tax	1,681	1,681				1,681
Restricted Awards Granted or Vested (in shares)			1,159,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	(268)	(268)	$ (1)		(267)
Shares acquired and cancelled (in shares)			(1,870,000)
Stock Repurchased and Retired During Period, Value	(11,386)	(11,386)	$ (2)		(11,384)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(242,000)
Stock-based compensation	12,059	12,059			12,059
Change in ownership held by Class C holders	$ 0	(1,509)			(1,509)			1,509
Other, Shares	0
Stockholders' Equity, Other	$ (4,226)	2			(2)	0		(4,228)
Balance (in shares) at Mar. 31, 2025			113,894,000	151,649,000
Balance at Mar. 31, 2025	$ 779,893	$ 334,400	$ 114	$ 2	$ 343,082	$ 10,504	$ (19,302)	$ 445,493