CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Depreciation and amortization	$ 10,783	$ 10,405
Change in fair value of interest rate swap	0	2,159
Amortization of loan fees	(81)	(40)
Accounts receivable	(2,860)	(1,854)
Prepaid expenses and other current assets	466	1,514
Other assets	(1,439)	36
Accounts payable	696	89
Accrued expenses	1,571	1,571
Customer deposits	(330)	66
Other liabilities	574	149
Proceeds from settlement of interest rate swap	0	825
Purchase of short-term investments	49,188	0
Proceeds from sale of short-term investments	23,000	0
Proceeds from long-term debt	8,000	27,477
Repayments of long-term debt	(1,010)	(21,572)
Distributions to shareholders, net of tax withholding	(2,295)	0
Payments of noncontrolling interest tax withholding associated with variable interest entity	0	(1,063)
VIE, Primary Beneficiary
Depreciation and amortization	1,214	1,214
Change in fair value of interest rate swap	0	(2,159)
Amortization of loan fees	57	40
Accounts receivable	6	18
Prepaid expenses and other current assets	109	75
Other assets	(14)	(27)
Accounts payable	60	(495)
Accrued expenses	(34)	402
Customer deposits	(49)	77
Other liabilities	0	(1)
Proceeds from settlement of interest rate swap	0	825
Purchase of short-term investments	8,000	0
Proceeds from sale of short-term investments	8,000	0
Proceeds from long-term debt	8,000	27,477
Repayments of long-term debt	(1,010)	(21,572)
Distributions to shareholders, net of tax withholding	(2,295)	0
Payments of noncontrolling interest tax withholding associated with variable interest entity	$ 0	$ (1,063)