Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ (66,610)	$ (92,791)
Add back: Net loss from discontinued operations	4,123	40,112
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	2,885	9,996
Bad debt expense	1,841	1,839
Amortization of deferred revenue	(91)	(34)
Depreciation and amortization expense	21,586	6,456
Accretion expense	300	0
Change in fair value of obligation to issue shares of common stock	0	(535)
Change in fair value of interest rate swaps	4,816	(5,554)
Change in fair value of warrant liabilities	(239)	(5,148)
Interest income related to SEMTH master lease agreement	(11,486)	0
Gain on extinguishment of debt	0	(4,527)
Gain on disposal of assets	(4,724)	(580)
Change in operating right-of-use assets	120	134
Amortization of debt discount and deferred financing costs	5,863	1,482
Changes in operating assets and liabilities:
Accounts receivable, net	85	553
Deferred rent assets	(828)	(1,626)
Prepaid expenses and other current assets	(2,390)	(1,571)
Other assets	126	0
Accounts payable	(1,784)	(1,696)
Accrued expenses and other current liabilities	13,624	5,278
Other long-term liabilities	5	0
Deferred revenue	1,064	495
Net cash used in continuing operating activities	(31,714)	(47,717)
Net cash used in discontinued operating activities	(1,947)	(15,772)
Net cash used in operating activities	(33,661)	(63,489)
Investing activities:
Proceeds from sale of solar energy systems	6,297	2,289
Proceeds from investment related to SEMTH master lease agreement	20,239	0
Cash paid for acquisitions, net of cash acquired	(43,097)	(32,585)
Purchases of other property and equipment	(499)	0
Net cash used in continuing investing activities	(17,060)	(30,296)
Net cash provided by discontinued investing activities	325	1,290
Net cash used in investing activities	(16,735)	(29,006)
Financing activities:
Proceeds from issuance of long-term debt	21,396	0
Payment of deferred financing costs	(391)	0
Repayments of long-term debt	(32,843)	(9,302)
Repayments under financing leases	(165)	(238)
Proceeds from issuance of common stock	150	0
Proceeds from exercise of stock options	1,004	630
Share repurchases	(5,424)	0
Capital distributions to redeemable noncontrolling interests and noncontrolling interests	(479)	(1,895)
Buyout of redeemable non-controlling interest	(55)	(8,283)
Net cash used in continuing financing activities	(16,807)	(19,088)
Net cash used in discontinued financing activities	0	(99)
Net cash used in continuing financing activities	(16,807)	(19,187)
Net change in cash and cash equivalents and restricted cash:	(67,203)	(111,682)
Cash and cash equivalents and restricted cash, beginning of period	240,144	351,826
Cash and cash equivalents and restricted cash, end of period	172,941	240,144
Supplemental disclosure of cash flow information:
Cash paid for interest	37,482	12,367
Supplemental disclosures of noncash investing and financing information:
Right-of-use assets obtained in exchange for lease liability	933	1,850
Settlement of operating lease liability	436	685
Settlement of finance lease liability	43	0
Settlement of contingent liability through issuance of shares	$ 0	$ 186