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SUPPLEMENTAL FINANCIAL STATEMENT DATA - Equipment and Leasehold Improvements, Net - Tabular Disclosure (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
EQUIPMENT AND LEASEHOLD IMPROVEMENTS |  |
Equipment under finance leases | $ 5,204 | $ 3,286
Equipment and leasehold improvements, gross | 48,539 | 39,891
Accumulated depreciation and amortization | (27,392) | (23,134)
Total equipment and leasehold improvements, net | 21,147 | 16,757
Furniture and Fixtures [Member] |  |
EQUIPMENT AND LEASEHOLD IMPROVEMENTS |  |
Equipment and leasehold improvements | 4,065 | 4,070
Computer Hardware and Software [Member] |  |
EQUIPMENT AND LEASEHOLD IMPROVEMENTS |  |
Equipment and leasehold improvements | 33,085 | 26,425
Leasehold Improvements [Member] |  |
EQUIPMENT AND LEASEHOLD IMPROVEMENTS |  |
Equipment and leasehold improvements | 3,083 | 3,011
Automobiles Trucks and Field Equipment [Member] |  |
EQUIPMENT AND LEASEHOLD IMPROVEMENTS |  |
Equipment and leasehold improvements | $ 3,102 | $ 3,099

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- Definition Amount, before accumulated amortization, of right-of-use asset from finance lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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