REVISION OF PREVIOUSLY ISSUED FINANCIAL STATEMENTS - Consolidated Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
CURRENT ASSETS:
Restricted cash	$ 480	$ 26,475
Trade accounts receivable, net of allowance for doubtful accounts of $9,223	133,194	142,045
Other current assets	15,950	8,750
Total current assets	421,966	295,406
PROPERTY AND EQUIPMENT, NET	28,661	28,258
Total assets	1,211,173	1,344,646
CURRENT LIABILITIES:
Accounts payable	20,000	17,196
Other current liabilities	42,831	39,682
Total current liabilities	132,630	132,818
OTHER LONG-TERM LIABILITIES	24,995	34,856
DEFERRED TAX LIABILITIES, NET	20,938	39,389
Total liabilities	920,588	981,973
REDEEMABLE NONCONTROLLING INTERESTS	16,520	31,923
STOCKHOLDERS' EQUITY:
Accumulated deficit	(733,371)	(736,010)
Total stockholders' equity	274,065	330,750
Total liabilities, redeemable noncontrolling interests and stockholders' equity	$ 1,211,173	1,344,646
As Previously Reported
CURRENT ASSETS:
Restricted cash		19,975
Trade accounts receivable, net of allowance for doubtful accounts of $9,223		143,264
Other current assets		8,372
Total current assets		289,747
PROPERTY AND EQUIPMENT, NET		27,758
Total assets		1,338,487
CURRENT LIABILITIES:
Accounts payable		18,003
Other current liabilities		36,320
Total current liabilities		130,263
OTHER LONG-TERM LIABILITIES		34,540
DEFERRED TAX LIABILITIES, NET		39,704
Total liabilities		979,417
REDEEMABLE NONCONTROLLING INTERESTS		25,298
STOCKHOLDERS' EQUITY:
Accumulated deficit		(732,988)
Total stockholders' equity		333,772
Total liabilities, redeemable noncontrolling interests and stockholders' equity		1,338,487
Adjustments
CURRENT ASSETS:
Restricted cash		6,500
Other current assets		378
Total current assets		6,878
PROPERTY AND EQUIPMENT, NET		500
Total assets		7,378
CURRENT LIABILITIES:
Other current liabilities		3,362
Total current liabilities		3,362
OTHER LONG-TERM LIABILITIES		858
DEFERRED TAX LIABILITIES, NET		(214)
Total liabilities		4,006
REDEEMABLE NONCONTROLLING INTERESTS		6,625
STOCKHOLDERS' EQUITY:
Accumulated deficit		(3,253)
Total stockholders' equity		(3,253)
Total liabilities, redeemable noncontrolling interests and stockholders' equity		7,378
Other Adjustments
CURRENT ASSETS:
Trade accounts receivable, net of allowance for doubtful accounts of $9,223		(1,219)
Total current assets		(1,219)
Total assets		(1,219)
CURRENT LIABILITIES:
Accounts payable		(807)
Total current liabilities		(807)
OTHER LONG-TERM LIABILITIES		(542)
DEFERRED TAX LIABILITIES, NET		(101)
Total liabilities		(1,450)
STOCKHOLDERS' EQUITY:
Accumulated deficit		231
Total stockholders' equity		231
Total liabilities, redeemable noncontrolling interests and stockholders' equity		$ (1,219)