CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock Convertible Preferred Stock	Common Stock Common Stock Class A	Common Stock Common Stock Class B	Common Stock Common Stock Class C	Common Stock Common Stock Class D	Accumulated Other Comprehensive Income	Additional Paid-In Capital	Accumulated Deficit	Total
BALANCE at Dec. 31, 2020	$ 0	$ 4	$ 3	$ 3	$ 38	$ 47,755	$ 990,528	$ (807,108)	$ 231,223
Net income								7	7
Stock-based compensation expense							253		253
Repurchase of shares of common stock					(1)		(871)		(872)
Issuance of shares of Class A common stock		2					12,123		12,125
Other comprehensive income, net of tax						(908)			(908)
Adjustment of redeemable noncontrolling interests to estimated redemption value							(128)		(128)
BALANCE at Mar. 31, 2021		6	3	3	37	46,847	1,001,905	(807,101)	241,700
BALANCE at Dec. 31, 2020	0	4	3	3	38	47,755	990,528	(807,108)	231,223
Net income								17,620	17,620
Stock-based compensation expense							425		425
Repurchase of shares of common stock					(1)		(904)		(905)
Issuance of shares of Class A common stock		4					33,278		33,282
Exercise of options for common stock							315		315
Other comprehensive income, net of tax						2,484			2,484
Adjustment of redeemable noncontrolling interests to estimated redemption value							(2,641)		(2,641)
BALANCE at Jun. 30, 2021		8	3	3	37	50,239	1,021,001	(789,488)	281,803
BALANCE at Dec. 31, 2020	0	4	3	3	38	47,755	990,528	(807,108)	231,223
Net income								31,505	31,505
Stock-based compensation expense							478		478
Repurchase of shares of common stock					(1)		(943)		(944)
Issuance of shares of Class A common stock		4					33,273		33,277
Exercise of options for common stock							366		366
Other comprehensive income, net of tax						5,796			5,796
Adjustment of redeemable noncontrolling interests to estimated redemption value							(4,741)		(4,741)
BALANCE at Sep. 30, 2021		8	3	3	37	53,551	1,018,961	(775,603)	296,960
BALANCE at Dec. 31, 2020	0	4	3	3	38	47,755	990,528	(807,108)	231,223
Net income	0	0	0	0	0		0	36,791	36,791
Stock-based compensation expense	0	0	0	0	0		565	0	565
Repurchase of shares of common stock	0	0	0	0	(1)		(969)	0	(970)
Issuance of shares of Class A common stock	0	4	0	0	0		33,273	0	33,277
Exercise of options for common stock	0	0	0	0	0		397	0	397
Conversion of common stock	0	1	0	(1)	0		0	0	0
Other comprehensive income, net of tax	0	0	0	0	0	7,195	0	0	7,195
Adjustment of redeemable noncontrolling interests to estimated redemption value	0	0	0	0	0		(4,798)	0	(4,798)
BALANCE at Dec. 31, 2021	0	9	3	2	37	54,950	1,018,996	(770,317)	303,680
BALANCE at Mar. 31, 2021		6	3	3	37	46,847	1,001,905	(807,101)	241,700
Net income									17,613
Other comprehensive income, net of tax									3,392
BALANCE at Jun. 30, 2021		8	3	3	37	50,239	1,021,001	(789,488)	281,803
Net income									13,885
Other comprehensive income, net of tax									3,312
BALANCE at Sep. 30, 2021		8	3	3	37	53,551	1,018,961	(775,603)	296,960
Net income									5,286
Other comprehensive income, net of tax									1,399
BALANCE at Dec. 31, 2021	0	9	3	2	37	54,950	1,018,996	(770,317)	303,680
Net income								16,493	16,493
Stock-based compensation expense							124		124
Repurchase of shares of common stock							(10)		(10)
Other comprehensive income, net of tax						7,896			7,896
Adjustment of redeemable noncontrolling interests to estimated redemption value							(871)		(871)
BALANCE at Mar. 31, 2022		9	3	2	37	62,846	1,018,239	(753,824)	327,312
BALANCE at Dec. 31, 2021	0	9	3	2	37	54,950	1,018,996	(770,317)	303,680
Net income								33,066	33,066
Stock-based compensation expense							460		460
Repurchase of shares of common stock					(4)		(24,665)		(24,669)
Exercise of options for common stock							50		50
Other comprehensive income, net of tax						7,971			7,971
Adjustment of redeemable noncontrolling interests to estimated redemption value							(1,907)		(1,907)
BALANCE at Jun. 30, 2022		9	3	2	33	62,921	992,934	(737,251)	318,651
BALANCE at Dec. 31, 2021	0	9	3	2	37	54,950	1,018,996	(770,317)	303,680
Net income								36,473	36,473
Stock-based compensation expense		1			1		5,467		5,469
Repurchase of shares of common stock					(4)		(26,482)		(26,486)
Exercise of options for common stock							50		50
Other comprehensive income, net of tax						2,275			2,275
Adjustment of redeemable noncontrolling interests to estimated redemption value							(3,440)		(3,440)
BALANCE at Sep. 30, 2022		10	3	2	34	57,225	994,591	(733,844)	318,021
BALANCE at Dec. 31, 2021	0	9	3	2	37	54,950	1,018,996	(770,317)	303,680
Net income	0	0	0	0	0		0	37,329	37,329
Stock-based compensation expense	0	1	0	0	1		6,593	0	6,595
Repurchase of shares of common stock	0	0	0	0	(4)		(26,539)	0	(26,543)
Exercise of options for common stock	0	0	0	0	0		50	0	50
Other comprehensive income, net of tax	0	0	0	0	0	18,277	0	0	18,277
Adjustment of redeemable noncontrolling interests to estimated redemption value	0	0	0	0	0		(5,616)	0	(5,616)
BALANCE at Dec. 31, 2022	$ 0	10	3	2	34	73,227	993,484	(732,988)	333,772
BALANCE at Mar. 31, 2022		9	3	2	37	62,846	1,018,239	(753,824)	327,312
Net income									16,573
Other comprehensive income, net of tax									75
BALANCE at Jun. 30, 2022		9	3	2	33	62,921	992,934	(737,251)	318,651
Net income									3,407
Other comprehensive income, net of tax									(5,696)
BALANCE at Sep. 30, 2022		$ 10	$ 3	$ 2	$ 34	$ 57,225	$ 994,591	$ (733,844)	$ 318,021