CONDENSED COMBINED DEBTOR-IN-POSSESSION FINANCIAL INFORMATION - Debtors Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2024	Mar. 31, 2023
OPERATING ACTIVITIES:
Net cash used in operating activities	$ (28,517)	$ (22,622)
INVESTING ACTIVITIES:
Additions to property and equipment	(2,110)	(7,195)
Proceeds from sale of property, equipment, intangibles and other assets	14,395	16,866
Additions to software	(4,839)	(6,423)
Proceeds from sale of investment	25,489	0
Net cash provided by investing activities	32,935	3,248
FINANCING ACTIVITIES:
Borrowing under the DIP Facility	32,000	0
Payments of long-term debt	0	(10)
Purchase of vested employee restricted stock units	0	(127)
Net cash provided by (used in) financing activities	28,551	(197)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	32,969	(19,571)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF YEAR	72,994	103,344
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH END OF PERIOD	105,963	83,773
Debtor-in-Possession
OPERATING ACTIVITIES:
Net cash used in operating activities	(63,057)	(65,624)
INVESTING ACTIVITIES:
Additions to property and equipment	(2,110)	(7,195)
Proceeds from sale of property, equipment, intangibles and other assets	14,395	16,866
Additions to software	(4,839)	(6,423)
Proceeds from sale of investment	25,489	0
Net cash provided by investing activities	32,935	3,248
FINANCING ACTIVITIES:
Borrowing under the DIP Facility	32,000	0
Payments of long-term debt	0	(10)
Payment for debt issuance costs associated with short-term borrowing	(2,081)	0
Purchase of vested employee restricted stock units	0	(127)
Payment of dividend equivalents on vested restricted stock units	0	(60)
Net distributions from investment in affiliates	36,760	50,322
Net cash provided by (used in) financing activities	66,679	50,125
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	36,557	(12,251)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, BEGINNING OF YEAR	59,989	88,989
CASH, CASH EQUIVALENTS, AND RESTRICTED CASH END OF PERIOD	$ 96,546	$ 76,738

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