RELATED PARTY TRANSACTIONS - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($) member	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Related Party Transaction [Line Items]
Number of board members | member	15
Related party, ownership threshold (at least)	10.00%
Zions
Related Party Transaction [Line Items]
Purchase obligation | $	$ 4.6
Related party, transaction amount | $	11.6	$ 11.2	$ 11.2
CoBank | Servicing fees
Related Party Transaction [Line Items]
Related party, transaction amount | $	$ 4.1	$ 4.0	$ 3.6
Class A common stock
Related Party Transaction [Line Items]
Number of board members, threshold | member	5
Class A common stock | Zions
Related Party Transaction [Line Items]
Ownership by a related party	21.00%
Class B voting common stock
Related Party Transaction [Line Items]
Number of board members, threshold | member	5
Class B voting common stock | CoBank
Related Party Transaction [Line Items]
Ownership by a related party	10.70%