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

Amount, before accumulated amortization, of right-of-use asset from finance lease.

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Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

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