CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Depreciation and amortization	$ 5,350	$ 5,148
Change in fair value of interest rate swap (including $0 and $2,159 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	0	(2,159)
Amortization of loan fees	(40)	(18)
Accounts receivable	2,061	6,848
Prepaid expenses and other current assets	(478)	1,697
Other assets	36	76
Accounts payable	4,006	4,855
Accrued expenses	(1,059)	552
Customer deposits	(302)	404
Other liabilities (including $0 and $493 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	172	9
Proceeds from settlement of interest rate swap (including $0 and $825 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	0	825
Purchase of short-term investments (including $8,000 and $0 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	28,000	0
Proceeds from long-term debt	8,000	27,477
Payments on long-term debt (including $476 and $21,139 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	(476)	(21,139)
Tax withholding on vesting of restricted stock units	(18)	0
Impairment of deposits	2,018	(17)
VIE, Primary Beneficiary
Depreciation and amortization	607	606
Change in fair value of interest rate swap (including $0 and $2,159 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	0	(2,159)
Amortization of loan fees	31	18
Accounts receivable	(3)	(18)
Prepaid expenses and other current assets	9	115
Other assets	21	28
Accounts payable	1	(493)
Accrued expenses	(336)	706
Customer deposits	(49)	(7)
Other liabilities (including $0 and $493 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	0	(493)
Proceeds from settlement of interest rate swap (including $0 and $825 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	0	825
Purchase of short-term investments (including $8,000 and $0 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	8,000	0
Proceeds from long-term debt	8,000	27,477
Payments on long-term debt (including $476 and $21,139 associated with variable interest entity for the six months ended June 30, 2023 and 2022, respectively)	(476)	$ (21,139)
Tax withholding on vesting of restricted stock units	$ 0