DISCONTINUED OPERATIONS - Income Statement Disclosures by Disposal Groups (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Income from discontinued operations, net of tax	$ 4,975	$ 3,981			$ 19,882	$ 11,915
Held-for-sale | UMO business
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale			$ 81,616				$ 74,046
Liabilities held for sale			(35,507)				$ (37,645)
Net income from discontinued operations to continued operation			$ 16,736	$ 1,284
Revenues	22,153	14,507			63,534	41,039
Cost of revenues (exclusive of depreciation shown separately below)	14,306	8,638			36,077	23,124
Depreciation and amortization attributable to costs of revenues	391	393			1,170	1,160
Gross profit	7,456	5,476			26,287	16,755
Selling, general and administrative expenses (exclusive of depreciation shown separately below)	2,418	1,418			6,213	4,606
Depreciation and amortization expense attributable to operating expenses	63	63			188	188
Total operating expenses	2,481	1,481			6,401	4,794
Income from operations	4,975	3,995			19,886	11,961
Interest expense	0
Interest expense		14			4	46
Total other expense	0	(14)			(4)	(46)
Income before income tax	4,975	3,981			19,882	11,915
Income tax benefit (expense)	0	0			0	0
Income from discontinued operations, net of tax	$ 4,975	$ 3,981			$ 19,882	$ 11,915