Equity - Schedule of Basic and Diluted Income (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Net income attributable to Via Renewables, Inc. stockholders	$ 14,975	$ 7,578	$ 3,733
Less: Dividend on Series A preferred stock	10,619	8,054	7,804
Net income (loss) attributable to stockholders of Class A common stock	$ 4,356	$ (476)	$ (4,071)
Basic weighted average Class A common shares outstanding (in shares)	3,211	3,156	3,026
Basic earnings (loss) per share attributable to stockholders (in dollars per share)	$ 1.36	$ (0.15)	$ (1.35)
Net income (loss) attributable to stockholders of Class A common stock	$ 4,356	$ (476)	$ (4,071)
Diluted net income (loss) attributable to stockholders of Class A common stock	$ 4,356	$ (476)	$ (4,071)
Basic weighted average Class A common shares outstanding (in shares)	3,211	3,156	3,026
Diluted weighted average shares outstanding (in shares)	3,211	3,156	3,026
Diluted earnings (loss) per share attributable to stockholders (in dollars per share)	$ 1.36	$ (0.15)	$ (1.35)