SEGMENT INFORMATION - Segment assets reconciliations (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025
Segment Reporting Information [Line Items]
Total assets	$ 315,637	$ 312,114
Operating Segments | Seneca Savings
Segment Reporting Information [Line Items]
Total assets	314,923	312,487
Operating Segments | Financial Quest
Segment Reporting Information [Line Items]
Total assets	1,384	1,236
Intersegment Eliminations
Segment Reporting Information [Line Items]
Total assets	$ (670)	$ (1,609)