XML 69 R57.htm IDEA: XBRL DOCUMENT v3.22.2.2
DEBT SECURITIES - Available-For-Sale Investments' Fair Value And Gross Unrealized Losses (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Jun. 30, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Dec. 31, 2020
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months $ 1,454,491   $ 4,601,661      
Unrealized Losses Less than 12 months 177,467   76,269      
Fair Value 12 months or more 4,164,395   1,008,607      
Unrealized Losses 12 months or more 681,262   32,268      
Total Fair Value 5,618,886   5,610,268      
Total Unrealized Losses 858,729   108,537      
Allowance for credit losses 257,859 $ 252,152 269,030 $ 288,360 $ 324,958 $ 385,887
Private label [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Allowance for credit losses 300   800      
U.S. Treasury and U.S. government agencies obligations [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 379,287   1,717,340      
Unrealized Losses Less than 12 months 25,696   25,401      
Fair Value 12 months or more 2,072,728   606,179      
Unrealized Losses 12 months or more 242,596   16,243      
Total Fair Value 2,452,015   2,323,519      
Total Unrealized Losses 268,292   41,644      
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 2,193   2,850      
Unrealized Losses 12 months or more 798   416      
Total Fair Value 2,193   2,850      
Total Unrealized Losses 798   416      
Allowance for credit losses 400   300      
MBS [Member] | FHLMC [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 342,188   986,345      
Unrealized Losses Less than 12 months 61,298   16,144      
Fair Value 12 months or more 772,815   221,896      
Unrealized Losses 12 months or more 161,909   8,481      
Total Fair Value 1,115,003   1,208,241      
Total Unrealized Losses 223,207   24,625      
MBS [Member] | GNMA [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 177,448   194,271      
Unrealized Losses Less than 12 months 15,418   1,329      
Fair Value 12 months or more 91,617   41,233      
Unrealized Losses 12 months or more 20,081   984      
Total Fair Value 269,065   235,504      
Total Unrealized Losses 35,499   2,313      
MBS [Member] | FNMA [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 484,050   1,237,701      
Unrealized Losses Less than 12 months 65,795   19,843      
Fair Value 12 months or more 907,828   112,559      
Unrealized Losses 12 months or more 180,146   3,821      
Total Fair Value 1,391,878   1,350,260      
Total Unrealized Losses 245,941   23,664      
MBS [Member] | Collateralized mortgage obligations guaranteed by FHLMC, FNMA and GNMA [Member]            
Schedule Of Available For Sale Securities [Line Items]            
Fair Value Less than 12 months 71,518   466,004      
Unrealized Losses Less than 12 months 9,260   13,552      
Fair Value 12 months or more 311,044   16,656      
Unrealized Losses 12 months or more 73,581   360      
Total Fair Value 382,562   482,660      
Total Unrealized Losses 82,841   13,912      
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 6,170   7,234      
Unrealized Losses 12 months or more 2,151   1,963      
Total Fair Value 6,170   7,234      
Total Unrealized Losses $ 2,151   $ 1,963