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)		(976)					(976)
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	9,197
Income attributable to noncontrolling interests	10,173								10,173
Other Comprehensive Income (Loss), Net of Tax	(959)	11						11	(970)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	8,238	(965)					(976)	11	(9,203)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(21,305)								(21,305)
Reduction of noncontrolling and redeemable noncontrolling interest	13,295	3,069				3,069			(10,226)
Changes in redemption value of RNCI, net of tax	(8,761)	(8,761)					(8,761)
Restricted Awards Granted or Vested (in shares)			3,606,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	820	820	$ 4			816
Shares acquired and cancelled (in shares)			(15,941,000)
Stock Repurchased and Retired During Period, Value	(101,381)	(101,381)	$ (16)			(101,365)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(93,000)
Stock-based compensation	29,500	29,500				29,500
Stock Issued During Period, Shares, Acquisitions			4,366,000
Stock Issued During Period, Value, Acquisitions	$ 26,354	26,354	$ 4			26,350
Change in ownership held by Class C holders		(13,128)				(13,128)			13,128
Other, Shares	53,000
Stockholders' Equity, Other	$ (1,170)	347				(343)	5	(1)	(1,517)
Balance (in shares) at Sep. 30, 2024			110,460,000	151,649,000	110,460,000
Balance at Sep. 30, 2024	744,272	286,412	$ 110	$ 2	$ 110	287,941	11,416	(13,057)	457,860
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Distributions to Class C Shareholders Noncontrolling Interest Holders	19,100
Balance (in shares) at Jun. 30, 2024			111,965,000	151,649,000
Balance at Jun. 30, 2024	729,924	291,570	$ 112	$ 2		292,616	16,771	(17,931)	438,354
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		3,271					3,271
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	13,864
Income attributable to noncontrolling interests	10,593								10,593
Other Comprehensive Income (Loss), Net of Tax	11,666	4,874						4,874	(6,792)
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	25,530	8,145					3,271	4,874	(17,385)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(231)								(231)
Changes in redemption value of RNCI, net of tax	(8,626)	(8,626)					(8,626)
Restricted Awards Granted or Vested (in shares)			505,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	289	289	$ 1			288
Shares acquired and cancelled (in shares)			(2,137,000)
Stock Repurchased and Retired During Period, Value	(14,106)	(14,106)	$ (2)			(14,104)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(9,000)
Stock-based compensation	10,492	10,492				10,492
Stock Issued During Period, Shares, Acquisitions			135,000
Stock Issued During Period, Value, Acquisitions	$ 950	950	$ 0			950
Change in ownership held by Class C holders		(2,300)				(2,300)			2,300
Other, Shares	1,000
Stockholders' Equity, Other	$ 50	(2)			$ (1)	1			52
Balance (in shares) at Sep. 30, 2024			110,460,000	151,649,000	110,460,000
Balance at Sep. 30, 2024	744,272	286,412	$ 110	$ 2	$ 110	287,941	11,416	(13,057)	457,860
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)		16,441					16,441
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	13,804
Income attributable to noncontrolling interests	(2,637)								(2,637)
Other Comprehensive Income (Loss), Net of Tax	33,051	27,024						27,024	6,027
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	46,855	43,465					16,441	27,024	(3,390)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(3,169)								(3,169)
Changes in redemption value of RNCI, net of tax	1,360	1,360					1,360
Restricted Awards Granted or Vested (in shares)			5,492,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	854	854	$ 5			849
Shares acquired and cancelled (in shares)			(20,072,000)
Stock Repurchased and Retired During Period, Value	(105,462)	(105,462)	$ (20)			(105,442)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited			(271,000)
Stock-based compensation	37,304	37,304				37,304
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	(2,000)
Stockholders' Equity, Other	$ 534	4,143			$ (1)	(4,144)	1	(1)	(3,609)
Balance (in shares) at Sep. 30, 2025				0	254,315,000
Balance at Sep. 30, 2025	770,481	749,047		$ 0	$ 254	741,702	29,542	(22,451)	21,434
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Tax adjustment due to Class C Conversion	3,100
Balance (in shares) at Jun. 30, 2025					261,236,000
Balance at Jun. 30, 2025	771,948	750,146			$ 261	765,898	4,923	(20,936)	21,802
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)		24,619					24,619
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	23,763
Income attributable to noncontrolling interests	(856)								(856)
Other Comprehensive Income (Loss), Net of Tax	(1,515)	(1,515)						(1,515)	0
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	22,248	23,104					24,619	(1,515)	856
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(129)								(129)
Restricted Awards Granted or Vested (in shares)					159,000
Stock Issued During Period, Value, Restricted Stock Award, Gross	287	287			$ 0	287
Shares acquired and cancelled (in shares)					(7,067,000)
Stock Repurchased and Retired During Period, Value	(37,279)	(37,279)			$ (7)	(37,272)
Stock Issued During Period, Shares, Restricted Stock Award, Forfeited					(14,000)
Stock-based compensation	13,078	13,078
Change in ownership held by Class C holders						13,078
Other, Shares					1,000
Stockholders' Equity, Other	328	(289)			$ 0	(289)	0	0	617
Balance (in shares) at Sep. 30, 2025				0	254,315,000
Balance at Sep. 30, 2025	$ 770,481	$ 749,047		$ 0	$ 254	$ 741,702	$ 29,542	$ (22,451)	$ 21,434