Business Combinations - Schedule of supplemental disclosure of pro forma information (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Per share amounts:
Net loss from discontinued operations - basic (in dollars per share)	$ (0.28)	$ (0.18)
Net loss from discontinued operations - diluted (in dollars per share)	$ (0.28)	$ (0.16)
World Energy Efficiency Services, LLC
Per share amounts:
Transaction costs		$ 498
Elimination of interest expense		37
Spruce Power
Per share amounts:
Transaction costs	$ 15,000
World Energy Efficiency Services, LLC And Spruce Power
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Revenues	79,253	79,163
Net (loss) income from continuing operations	(28,870)	66,212
Net loss from discontinued operations	(40,112)	(24,236)
Net (loss) income	$ (68,982)	$ 41,976
Per share amounts:
Net (loss) income from continuing operations - basic (in dollars per share)	$ (0.20)	$ 0.48
Net (loss) income from continuing operations - diluted (in dollars per share)	$ (0.20)	$ 0.45