Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities:
Net income (loss)	$ (2,450)	$ (18,844)
Add back: Net loss from discontinued operations	1	3,866
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	821	796
Bad debt expense	517	174
Amortization of deferred revenue	(37)	0
Depreciation and amortization expense	5,234	6,004
Accretion expense	59	0
Change in fair value of interest rate swaps	(6,409)	5,588
Change in fair value of warrant liabilities	(9)	(115)
Interest income related to SEMTH master lease agreement	(3,748)	(213)
Gain on disposal of assets	(453)	(2,585)
Change in operating right-of-use assets	22	15
Amortization of debt discount and deferred financing costs	1,457	1,455
Changes in operating assets and liabilities:
Accounts receivable, net	(2,290)	(1,948)
Deferred rent assets	(355)	(335)
Prepaid expenses and other current assets	4,532	432
Other assets	2	126
Accounts payable	(351)	(698)
Accrued expenses and other current liabilities	(19,278)	(769)
Other long-term liabilities	1	0
Deferred revenue	532	290
Net cash used in continuing operating activities	(22,202)	(6,761)
Net cash provided by (used in) discontinued operating activities	15	(1,490)
Net cash used in operating activities	(22,187)	(8,251)
Investing activities:
Proceeds from sale of solar energy systems	1,257	1,763
Proceeds from investment related to SEMTH master lease agreement	4,501	1,011
Cash paid for acquisitions, net of cash acquired	0	(23,139)
Purchases of other property and equipment	(67)	(12)
Net cash provided by (used in) continuing investing activities	5,691	(20,377)
Net cash provided by discontinued investing activities	0	325
Net cash provided by (used in) investing activities	5,691	(20,052)
Financing activities:
Repayments of long-term non-recourse debt	(6,701)	(6,141)
Repayments under financing leases	0	(12)
Proceeds from issuance of common stock	0	150
Proceeds from exercise of stock options	0	283
Capital distributions to redeemable noncontrolling interests and noncontrolling interests	(76)	(196)
Net cash used in continuing financing activities	(6,777)	(5,916)
Net cash used in financing activities	(6,777)	(5,916)
Net change in cash and cash equivalents and restricted cash:	(23,273)	(34,219)
Cash and cash equivalents and restricted cash, beginning of period	172,941	240,144
Cash and cash equivalents and restricted cash, end of period	149,668	205,925
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 6,329	$ 4,050