NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS (Tables)	12 Months Ended
	Dec. 31, 2022
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS [Abstract]
Changes in Servicing Assets [Table Text Block]	Year Ended December 31, 2022 2021 2020 (In thousands) Balance at beginning of year $ 30,986 $ 33,071 $ 26,762 Purchases of servicing assets (1) - - 7,781 Capitalization of servicing assets 3,122 5,194 4,864 Amortization (4,978) (7,215) (5,777) Temporary impairment recoveries (charges), net 66 124 (206) Other (2) (159) (188) (353) Balance at end of year $ 29,037 $ 30,986 $ 33,071 (1) Represents MSRs acquired in the BSPR acquisition. (2) Mainly represents adjustments related to the repurchase of loans serviced for others, including MSRs related to loans previously serviced for BSPR and eliminated as part of the acquisition in the third quarter of 2020.
Changes in Impairment Allowance [Table Text Block]	Year Ended December 31, 2022 2021 2020 (In thousands) Balance at beginning of year $ 78 $ 202 $ 73 Temporary impairment charges - - 301 OTTI of servicing assets - - (77) Recoveries (66) (124) (95) Balance at end of year $ 12 $ 78 $ 202
Components of Net Servicing Income [Table Text Block]	Year Ended December 31, 2022 2021 2020 (In thousands) Servicing fees $ 11,096 $ 12,176 $ 9,268 Late charges and prepayment penalties 823 697 570 Adjustment for loans repurchased (159) (188) (353) Other - (1) - Servicing income, gross 11,760 12,684 9,485 Amortization and impairment of servicing assets (4,912) (7,091) (5,983) Servicing income, net $ 6,848 $ 5,593 $ 3,502
Key Economic Assumptions Used in Determining Fair Value at Time of Sale of Loans [Table Text Block]	Weighted Average Maximum Minimum Year Ended December 31, 2022 Constant prepayment rate: Government-guaranteed mortgage loans 6.7 % 18.3 % 4.8 % Conventional conforming mortgage loans 7.4 % 18.4 % 3.4 % Conventional non-conforming mortgage loans 6.0 % 21.9 % 3.6 % Discount rate: Government-guaranteed mortgage loans 11.7 % 12.0 % 11.5 % Conventional conforming mortgage loans 9.7 % 10.0 % 9.5 % Conventional non-conforming mortgage loans 12.5 % 14.5 % 11.5 % Year Ended December 31, 2021 Constant prepayment rate: Government-guaranteed mortgage loans 6.2 % 17.1 % 3.7 % Conventional conforming mortgage loans 6.2 % 18.2 % 2.8 % Conventional non-conforming mortgage loans 6.4 % 14.5 % 4.4 % Discount rate: Government-guaranteed mortgage loans 12.0 % 12.0 % 12.0 % Conventional conforming mortgage loans 10.0 % 10.0 % 10.0 % Conventional non-conforming mortgage loans 12.8 % 14.5 % 12.0 % Year Ended December 31, 2020 Constant prepayment rate: Government-guaranteed mortgage loans 6.1 % 16.0 % 3.9 % Conventional conforming mortgage loans 6.3 % 19.0 % 3.0 % Conventional non-conforming mortgage loans 6.3 % 18.0 % 4.3 % Discount rate: Government-guaranteed mortgage loans 12.0 % 12.0 % 12.0 % Conventional conforming mortgage loans 10.0 % 10.0 % 10.0 % Conventional non-conforming mortgage loans 12.3 % 14.5 % 12.0 %
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 as of December 31, 2022 and 2021 were as follows: December 31, December 31, 2022 2021 (In thousands) Carrying amount of servicing assets $ 29,037 $ 30,986 Fair value $ 44,710 $ 42,132 Weighted-average expected life (in years) 7.80 7.96 Constant prepayment rate (weighted-average annual rate) 6.40 % 6.55 % Decrease in fair value due to 10% adverse change $ 1,048 $ 1,027 Decrease in fair value due to 20% adverse change $ 2,054 $ 2,011 Discount rate (weighted-average annual rate) 10.69 % 11.17 % Decrease in fair value due to 10% adverse change $ 1,925 $ 1,852 Decrease in fair value due to 20% adverse change $ 3,704 $ 3,561