NON-CONSOLIDATED VARIABLE INTEREST ENTITIES (VIEs) AND SERVICING ASSETS (Tables)	9 Months Ended
	Sep. 30, 2025
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES (VIEs) AND SERVICING ASSETS [Abstract]
Changes in Servicing Assets [Table Text Block]	Quarter Ended September 30, Nine-Month Period Ended September 30, 2025 2024 2025 2024 (In thousands) Balance at beginning of period $ 24,130 $ 25,952 $ 25,019 $ 26,941 Capitalization of servicing assets 625 525 1,904 1,632 Amortization (1,059) (1,060) (3,196) (3,135) Other (1) (37) (14) (68) (35) Balance at end of period $ 23,659 $ 25,403 $ 23,659 $ 25,403 (1) Consists of adjustments related to the repurchase of loans serviced for others and temporary impairment charges.
Components of Net Servicing Income [Table Text Block]	Quarter Ended September 30, Nine-Month Period Ended September 30, 2025 2024 2025 2024 (In thousands) Servicing fees $ 2,498 $ 2,588 $ 7,558 $ 7,766 Late charges and prepayment penalties 165 158 532 528 Other (1) (37) (14) (68) (35) Servicing income, gross 2,626 2,732 8,022 8,259 Amortization (1,059) (1,060) (3,196) (3,135) Servicing income, net $ 1,567 $ 1,672 $ 4,826 $ 5,124 (1) Consists of adjustments related to the repurchase of loans serviced for others and temporary impairment charges.
Key Economic Assumptions Used in Determining Fair Value at Time of Sale of Loans [Table Text Block]	Weighted Average Maximum Minimum Nine-Month Period Ended September 30, 2025 Constant prepayment rate: Government-guaranteed mortgage loans 6.6 % 16.6 % 3.6 % Conventional conforming mortgage loans 7.0 % 15.9 % 2.4 % Conventional non-conforming mortgage loans 6.1 % 9.0 % 2.4 % Discount rate: Government-guaranteed mortgage loans 11.5 % 11.5 % 11.5 % Conventional conforming mortgage loans 9.5 % 9.5 % 9.5 % Conventional non-conforming mortgage loans 11.7 % 12.5 % 11.0 % Nine-Month Period Ended September 30, 2024 Constant prepayment rate: Government-guaranteed mortgage loans 6.8 % 17.1 % 3.2 % Conventional conforming mortgage loans 6.9 % 20.6 % 2.1 % Conventional non-conforming mortgage loans 6.0 % 7.6 % 3.0 % Discount rate: Government-guaranteed mortgage loans 11.5 % 11.5 % 11.5 % Conventional conforming mortgage loans 9.5 % 9.5 % 9.5 % Conventional non-conforming mortgage loans 11.5 % 12.5 % 11.0 %
Weighted-Averages of Key Economic Assumptions in Valuation Model [Table Text Block]	The weighted averages of the key economic assumptions that the Corporation used in its valuation model and the sensitivity of the current fair value to immediate 10 % and 20 % adverse changes in those assumptions for mortgage loans were as follows as of the indicated dates: September 30, 2025 December 31, 2024 (In thousands) Carrying amount of servicing assets $ 23,659 $ 25,019 Fair value $ 41,710 $ 43,046 Weighted-average expected life (in years) 7.71 7.63 Constant prepayment rate (weighted-average annual rate) 5.99 % 6.34 % Decrease in fair value due to 10% adverse change $ 810 $ 858 Decrease in fair value due to 20% adverse change $ 1,585 $ 1,675 Discount rate (weighted-average annual rate) 10.76 % 10.72 % Decrease in fair value due to 10% adverse change $ 1,758 $ 1,815 Decrease in fair value due to 20% adverse change $ 3,385 $ 3,495

FIRST BANCORP /PR/ 10-Q