Fair Value Measurements - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - USD ($) $ in Thousands	3 Months Ended
	Jun. 30, 2025	Mar. 31, 2025
Level 3 Rollforward
Beginning balance	$ 161	$ 259
Unrealized gain (loss)	(88)	(98)
Ending balance	73	161
Equity Method Investments | Enservco Preferred stock
Level 3 Rollforward
Beginning balance	132	191
Unrealized gain (loss)	(59)	(59)
Ending balance	73	132
Equity Method Investments | Enservco Call Option
Level 3 Rollforward
Beginning balance	29	68
Unrealized gain (loss)	(29)	(39)
Ending balance	$ 0	$ 29