DETAILS OF SELECTED BALANCE SHEET ACCOUNTS (Tables)

3 Months Ended

Mar. 31, 2023

Balance Sheet Related Disclosures [Abstract]

Schedule of Accounts Receivable

Additional information regarding selected balance sheet accounts at March 31, 2023 and December 31, 2022 is presented below (in thousands):

	March 31, 2023		December 31, 2022
Accounts receivable, net:
Trade	$	64,593	$	65,563
Unbilled revenue	56,915		52,547
Other	1,817		1,944
Total accounts receivable	123,325		120,054
Allowance for credit losses	(363)		(299)
Total accounts receivable, net	$	122,962	$	119,755

Schedule of Inventories

	March 31, 2023		December 31, 2022
Inventories:
Finished goods and purchased products	$	5,994	$	5,538
Work in process	—		—
Raw materials	1,385		1,369
Total inventories	$	7,379	$	6,907

Property, Plant and Equipment

	Estimated Useful Life (in years)			March 31, 2023		December 31, 2022
Property, plant and equipment, net:
Land				$	25,301	$	25,528
Accommodations assets	3	—	15	1,458,372		1,464,476
Buildings and leasehold improvements	7	—	20	15,467		15,516
Machinery and equipment	4	—	7	12,127		11,775
Office furniture and equipment	3	—	7	62,954		62,725
Vehicles	3	—	5	8,554		8,411
Construction in progress				4,346		1,771
Total property, plant and equipment				1,587,121		1,590,202
Accumulated depreciation				(1,302,750)		(1,288,312)
Total property, plant and equipment, net				$	284,371	$	301,890

Schedule of Accrued Liabilities

	March 31, 2023		December 31, 2022
Accrued liabilities:
Accrued compensation	$	16,797	$	34,358
Accrued taxes, other than income taxes	3,296		2,873
Other	1,216		1,980
Total accrued liabilities	$	21,309	$	39,211

Schedule of Deferred Revenue

	March 31, 2023		December 31, 2022
Contract liabilities (Deferred revenue):
Current contract liabilities (1)	$	3,993	$	991
Noncurrent contract liabilities (1)	2,972		—
Total contract liabilities (Deferred revenue)	$	6,965	$	991