CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) $ in Thousands	Total	Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other	Common Class A	Common Class D	Common Stock Common Class A	Common Stock Common Class A Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other	Common Stock Common Class D	Common Stock Common Class D Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other	Additional  Paid-in Capital	Retained Earnings	Retained Earnings Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other	Non-controlling Interest	Non-controlling Interest Cumulative Effect, Remeasurement Due to Change in Parent Ownership and Other
Balance at beginning of period (in shares) at Dec. 31, 2023					93,654,269		1,502,069,787
Balance at beginning of period at Dec. 31, 2023	$ 2,474,671				$ 10		$ 150		$ 1,702	$ 110,690		$ 2,362,119
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	180,531									8,730		171,801
Class A common stock dividends	(9,495)									(9,495)
Member distributions to SFS Corp.	(194,261)											(194,261)
Stock-based compensation (in shares)					1,291,366
Stock-based compensation	6,513				$ (1)				383			6,131
Re-measurement of non-controlling interest due to change in parent ownership and other		$ (901)									$ 2,055		$ (2,956)
Balance at end of period (in shares) at Mar. 31, 2024					94,945,635		1,502,069,787
Balance at end of period at Mar. 31, 2024	2,457,058				$ 9		$ 150		2,085	111,980		2,342,834
Balance at beginning of period (in shares) at Dec. 31, 2023					93,654,269		1,502,069,787
Balance at beginning of period at Dec. 31, 2023	2,474,671				$ 10		$ 150		1,702	110,690		2,362,119
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	256,817
Balance at end of period (in shares) at Jun. 30, 2024					95,587,806		1,502,069,787
Balance at end of period at Jun. 30, 2024	2,329,012				$ 10		$ 150		2,305	111,021		2,215,526
Balance at beginning of period (in shares) at Mar. 31, 2024					94,945,635		1,502,069,787
Balance at beginning of period at Mar. 31, 2024	2,457,058				$ 9		$ 150		2,085	111,980		2,342,834
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	76,286									3,050		73,236
Class A common stock dividends	(9,559)									(9,559)
Member distributions to SFS Corp.	(198,464)											(198,464)
Stock-based compensation (in shares)					642,171
Stock-based compensation	3,691				$ 1				220			3,470
Re-measurement of non-controlling interest due to change in parent ownership and other		0									5,550		(5,550)
Balance at end of period (in shares) at Jun. 30, 2024					95,587,806		1,502,069,787
Balance at end of period at Jun. 30, 2024	2,329,012				$ 10		$ 150		2,305	111,021		2,215,526
Balance at beginning of period (in shares) at Dec. 31, 2024			157,940,987	1,440,332,098	157,940,987		1,440,332,098
Balance at beginning of period at Dec. 31, 2024	2,053,848				$ 16		$ 144		3,523	157,837		1,892,328
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	(247,028)									(13,679)		(233,349)
Class A common stock dividends	(18,775)									(18,775)
Member distributions to SFS Corp.	(148,395)											(148,395)
Stock-based compensation (in shares)					291,194
Stock-based compensation	9,166								775	132		8,259
Re-measurement of non-controlling interest due to change in parent ownership and other (in shares)						42,549,478		(42,549,478)
Re-measurement of non-controlling interest due to change in parent ownership and other		(13,467)				$ 4		$ (4)			34,892		(48,359)
Balance at end of period (in shares) at Mar. 31, 2025					200,781,659		1,397,782,620
Balance at end of period at Mar. 31, 2025	1,635,349				$ 20		$ 140		4,298	160,407		1,470,484
Balance at beginning of period (in shares) at Dec. 31, 2024			157,940,987	1,440,332,098	157,940,987		1,440,332,098
Balance at beginning of period at Dec. 31, 2024	2,053,848				$ 16		$ 144		3,523	157,837		1,892,328
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	67,451
Balance at end of period (in shares) at Jun. 30, 2025			205,979,563	1,393,282,620	205,979,563		1,393,282,620
Balance at end of period at Jun. 30, 2025	1,747,982				$ 21		$ 139		5,688	170,320		1,571,814
Balance at beginning of period (in shares) at Mar. 31, 2025					200,781,659		1,397,782,620
Balance at beginning of period at Mar. 31, 2025	1,635,349				$ 20		$ 140		4,298	160,407		1,470,484
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	314,479									22,909		291,570
Class A common stock dividends	(20,653)									(20,653)
Member distributions to SFS Corp.	(190,868)											(190,868)
Stock-based compensation (in shares)					697,904
Stock-based compensation	11,041								1,390			9,651
Re-measurement of non-controlling interest due to change in parent ownership and other (in shares)						4,500,000		(4,500,000)
Re-measurement of non-controlling interest due to change in parent ownership and other		$ (1,366)				$ 1		$ (1)			$ 7,657		$ (9,023)
Balance at end of period (in shares) at Jun. 30, 2025			205,979,563	1,393,282,620	205,979,563		1,393,282,620
Balance at end of period at Jun. 30, 2025	$ 1,747,982				$ 21		$ 139		$ 5,688	$ 170,320		$ 1,571,814