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DETAILS OF SELECTED BALANCE SHEET ACCOUNTS (Tables)
12 Months Ended
Dec. 31, 2023
Balance Sheet Related Disclosures [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable
Additional information regarding selected balance sheet accounts at December 31, 2023 and 2022 is presented below (in thousands): 
 December 31, 2023December 31, 2022
Accounts receivable, net:
Trade  $93,527 $65,563 
Unbilled revenue  
46,331 52,547 
Other3,563 1,944 
Total accounts receivable  
143,421 120,054 
Allowance for credit losses  (199)(299)
Total accounts receivable, net
$143,222 $119,755 
Schedule of Inventory, Current
 December 31, 2023December 31, 2022
Inventories:
Finished goods and purchased products  $5,648 $5,538 
Raw materials  1,334 1,369 
Total inventories
$6,982 $6,907 
Property, Plant and Equipment
 Estimated
Useful Life 
(in years)
December 31, 2023December 31, 2022
Property, plant and equipment, net:
Land  $27,988 $25,528 
Accommodations assets  
3-15
1,378,408 1,464,476 
Buildings and leasehold improvements
7-20
14,603 15,516 
Machinery and equipment
4-7
13,255 11,775 
Office furniture and equipment
3-7
67,248 62,725 
Vehicles
3-5
10,025 8,411 
Construction in progress12,087 1,771 
Total property, plant and equipment1,523,614 1,590,202 
Accumulated depreciation(1,253,051)(1,288,312)
Total property, plant and equipment, net $270,563 $301,890 
Schedule of Accrued Liabilities
 December 31, 2023December 31, 2022
Accrued liabilities:
Accrued compensation$33,854 $34,358 
Accrued taxes, other than income taxes3,997 2,873 
Other2,672 1,980 
Total accrued liabilities
$40,523 $39,211 
Schedule of Deferred Revenue
December 31, 2023December 31, 2022
Contract liabilities (Deferred revenue):
Current contract liabilities (1)
$4,849 $991 
Noncurrent contract liabilities (1)
8,068  
Total contract liabilities (Deferred revenue)$12,917 $991 
(1)Current contract liabilities and Noncurrent contract liabilities are included in "Deferred revenue" and "Other noncurrent liabilities," respectively, in our consolidated balance sheets.