UNAUDITED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' DEFICIT - USD ($) $ in Thousands	Total	Parent [Member]	Common Shares Common Class A & B	Common Shares Class C	Common Shares Common Class A	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Noncontrolling Interest [Member]
Balance (in shares) at Dec. 31, 2023				151,649,000	118,469,000
Balance at Dec. 31, 2023	$ 825,272	$ 356,695		$ 2	$ 118	$ 348,494	$ 21,148	$ (13,067)	$ 468,577
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(4,247)					(4,247)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(4,667)
Income attributable to noncontrolling interests	(420)								(420)
Other Comprehensive Income (Loss), Net of Tax	(12,625)	(4,863)						(4,863)	(7,762)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(17,292)	(9,110)					(4,247)	(4,863)	8,182
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(21,074)								(21,074)
Reduction of noncontrolling and redeemable noncontrolling interest	13,295	3,069				3,069			(10,226)
Changes in redemption value of RNCI, net of tax	(135)	(135)					(135)
Restricted Awards Granted or Vested (in shares)			3,101,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	531	531	$ 3			528
Shares acquired and cancelled (in shares)			(13,804,000)
Stock Repurchased and Retired During Period, Value	(87,275)	(87,275)	$ (14)			(87,261)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(84,000)
Stock-based compensation	19,008	19,008				19,008
Stock Issued During Period, Shares, Acquisitions			4,231,000
Stock Issued During Period, Value, Acquisitions	$ 25,404	25,404	$ 4			25,400
Change in ownership held by Class C holders		(10,828)				(10,828)			10,828
Other, Shares	52,000
Stockholders' Equity, Other	$ (1,220)	349			$ 1	(344)	5	(1)	(1,569)
Balance (in shares) at Jun. 30, 2024			111,965,000	151,649,000	111,965,000
Balance at Jun. 30, 2024	729,924	291,570	$ 112	$ 2	$ 112	292,616	16,771	(17,931)	438,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to Class C Shareholders Noncontrolling Interest Holders	19,100
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
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(2,965)					(2,965)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(3,954)
Income attributable to noncontrolling interests	(989)								(989)
Other Comprehensive Income (Loss), Net of Tax	(5,479)	(1,999)						(1,999)	3,480
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	(9,433)	(4,964)					(2,965)	(1,999)	4,469
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(21,074)								(21,074)
Reduction of noncontrolling and redeemable noncontrolling interest	4,813	4,813				4,813
Changes in redemption value of RNCI, net of tax	115	115					115
Restricted Awards Granted or Vested (in shares)			2,950,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	277	277	$ 3			274
Shares acquired and cancelled (in shares)			(8,976,000)
Stock Repurchased and Retired During Period, Value	(56,689)	(56,689)	$ (9)			(56,680)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(66,000)
Stock-based compensation	5,458	5,458				5,458
Stock Issued During Period, Shares, Acquisitions			3,238,000
Stock Issued During Period, Value, Acquisitions	19,265	19,265	$ 3			19,262
Change in ownership held by Class C holders		(4,781)				(4,781)			4,781
Stockholders' Equity, Other	(772)	2					3		(774)
Balance (in shares) at Jun. 30, 2024			111,965,000	151,649,000	111,965,000
Balance at Jun. 30, 2024	729,924	291,570	$ 112	$ 2	$ 112	292,616	16,771	(17,931)	438,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to Class C Shareholders Noncontrolling Interest Holders	19,100
Balance (in shares) at Dec. 31, 2024				151,649,000	114,847,000
Balance at Dec. 31, 2024	776,905	331,731		$ 2	$ 115	343,647	11,740	(23,773)	445,174
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(8,178)					(8,178)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(9,959)
Income attributable to noncontrolling interests	(1,781)								(1,781)
Other Comprehensive Income (Loss), Net of Tax	34,566	28,539						28,539	6,027
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	24,607	20,361					(8,178)	28,539	(4,246)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(3,040)								(3,040)
Changes in redemption value of RNCI, net of tax	1,360	1,360					1,360
Restricted Awards Granted or Vested (in shares)			5,333,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	567	567	$ 5			562
Shares acquired and cancelled (in shares)			(13,005,000)
Stock Repurchased and Retired During Period, Value	(68,183)	(68,183)	$ (13)			(68,170)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(257,000)
Stock-based compensation	24,226	24,226				24,226
Stock Issued During Period, Shares, Acquisitions			2,672,000
Stock Issued During Period, Value, Acquisitions	$ 15,300	15,300	$ 3			15,297
Stock Issued During Period, Value, Conversion of Units		421,861		$ 2	$ 152	447,412		25,701	421,861
Stock Issued During Period, Shares, Conversion of Units				(151,649,000)	151,649,000
Change in ownership held by Class C holders		(1,509)				(1,509)			1,509
Other, Shares	(3,000)
Stockholders' Equity, Other	$ 206	4,432			$ (1)	(4,433)	1	(1)	(4,226)
Balance (in shares) at Jun. 30, 2025				0	261,236,000
Balance at Jun. 30, 2025	771,948	750,146		$ 0	$ 261	765,898	4,923	(20,936)	21,802
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax adjustment due to Class C Conversion	4,600
Balance (in shares) at Mar. 31, 2025				151,649,000	113,894,000
Balance at Mar. 31, 2025	779,893	334,400		$ 2	$ 114	343,082	10,504	(19,302)	445,493
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		(5,261)					(5,261)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	(4,634)
Income attributable to noncontrolling interests	627								627
Other Comprehensive Income (Loss), Net of Tax	24,068	24,068						24,068	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	19,434	18,807					(5,261)	24,068	(627)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(2,459)								(2,459)
Changes in redemption value of RNCI, net of tax	(321)	(321)					(321)
Restricted Awards Granted or Vested (in shares)					4,174,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	299	299			$ 4	295
Shares acquired and cancelled (in shares)					(11,135,000)
Stock Repurchased and Retired During Period, Value	(56,797)	(56,797)			$ (11)	(56,786)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited					(15,000)
Stock-based compensation	12,167	12,167
Stock Issued During Period, Shares, Acquisitions					2,672,000
Stock Issued During Period, Value, Acquisitions	15,300	15,300			$ 3	15,297
Stock Issued During Period, Value, Conversion of Units		421,861		$ 2	$ 152	447,412		25,701	421,861
Stock Issued During Period, Shares, Conversion of Units				(151,649,000)	151,649,000
Change in ownership held by Class C holders						12,167
Other, Shares					(3,000)
Stockholders' Equity, Other	4,432	4,430			$ (1)	4,431	1	(1)	2
Balance (in shares) at Jun. 30, 2025				0	261,236,000
Balance at Jun. 30, 2025	771,948	$ 750,146		$ 0	$ 261	$ 765,898	$ 4,923	$ (20,936)	$ 21,802
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax adjustment due to Class C Conversion	$ 4,600