Equity - Schedule of Change in NCI (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Class of Stock [Line Items]
Net income attributable to Via Renewables, Inc. stockholders	$ 8,798	$ 8,567
Transfers (to) from the non-controlling interest	0	0
Decrease in Via Renewables additional paid in capital from the equity shift	(223)
Net transfers (to) from non-controlling interest	(223)	0
Changes from net income attributable to Via Renewables stockholders and transfers (to) from non-controlling interest	8,575	8,567
Additional Paid-in Capital
Class of Stock [Line Items]
Decrease in Via Renewables additional paid in capital from the equity shift	$ (223)	$ 0