XML 62 R51.htm IDEA: XBRL DOCUMENT v3.25.2
DEBT SECURITIES - Available-for-Sale Investments Fair Value and Gross Unrealized Losses (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months $ 159,393   $ 217,444      
Unrealized Losses Less than 12 months 877   1,831      
Fair Value 12 months or more 3,813,664   4,247,078      
Unrealized Losses 12 months or more 436,346   557,937      
Total Fair Value 3,973,057   4,464,522      
Total Unrealized Losses 437,223   559,768      
Allowance for Credit Losses 513 $ 516 521 $ 549 $ 442 $ 511
U.S. Treasury and U.S. government agencies obligations [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 104,471   8,005      
Unrealized Losses Less than 12 months 47   35      
Fair Value 12 months or more 1,545,519   1,886,046      
Unrealized Losses 12 months or more 42,780   76,824      
Total Fair Value 1,649,990   1,894,051      
Total Unrealized Losses 42,827   76,859      
Puerto Rico government obligations [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 0   0      
Unrealized Losses Less than 12 months 0   0      
Fair Value 12 months or more 1,576   1,620      
Unrealized Losses 12 months or more 920   986      
Total Fair Value 1,576   1,620      
Total Unrealized Losses 920   986      
Allowance for Credit Losses 337 340 345 386 326 395
Residential MBS [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Allowance for Credit Losses 176   176      
Residential MBS [Member] | FHLMC [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 0   36,224      
Unrealized Losses Less than 12 months 0   85      
Fair Value 12 months or more 829,030   857,492      
Unrealized Losses 12 months or more 146,792   179,043      
Total Fair Value 829,030   893,716      
Total Unrealized Losses 146,792   179,128      
Allowance for Credit Losses 0   0      
Residential MBS [Member] | GNMA [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 15,257   22,281      
Unrealized Losses Less than 12 months 221   508      
Fair Value 12 months or more 155,770   166,470      
Unrealized Losses 12 months or more 23,578   28,014      
Total Fair Value 171,027   188,751      
Total Unrealized Losses 23,799   28,522      
Allowance for Credit Losses 0   0      
Residential MBS [Member] | Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 0   53,325      
Unrealized Losses Less than 12 months 0   132      
Fair Value 12 months or more 969,968   1,012,331      
Unrealized Losses 12 months or more 139,154   178,991      
Total Fair Value 969,968   1,065,656      
Total Unrealized Losses 139,154   179,123      
Allowance for Credit Losses 0   0      
Residential MBS [Member] | CMOs issued or guaranteed by the FHLMC, FNMA, and GNMA: [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 8,683   52,778      
Unrealized Losses Less than 12 months 14   248      
Fair Value 12 months or more 176,975   187,772      
Unrealized Losses 12 months or more 44,556   52,090      
Total Fair Value 185,658   240,550      
Total Unrealized Losses 44,570   52,338      
Residential MBS [Member] | Private label [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 0   0      
Unrealized Losses Less than 12 months 0   0      
Fair Value 12 months or more 3,781   4,195      
Unrealized Losses 12 months or more 1,490   1,715      
Total Fair Value 3,781   4,195      
Total Unrealized Losses 1,490   1,715      
Allowance for Credit Losses 176 $ 176 176 $ 163 $ 116 $ 116
Commercial MBS [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 30,982   44,831      
Unrealized Losses Less than 12 months 595   823      
Fair Value 12 months or more 131,045   131,152      
Unrealized Losses 12 months or more 37,076   40,274      
Total Fair Value 162,027   175,983      
Total Unrealized Losses 37,671   41,097      
Allowance for Credit Losses $ 0   $ 0