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LOANS HELD FOR INVESTMENT - Corporation's Residential Mortgage Loans by Origination Year Based on Original Credit Score (Detail) - USD ($) $ in Thousands | Sep. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | $ 11,140,582 | $ 11,777,289
Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 9,150,483 | 9,788,106
Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 1,990,099 | 1,989,183
Residential Portfolio Segment [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 91,132 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 73,910 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 108,810 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 145,944 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 135,486 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 2,539,733 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 3,095,015 | 3,521,954
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 51,211 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 35,549 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 62,409 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 92,201 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 69,713 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 2,330,080 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 2,641,163 | 3,002,203
Residential Portfolio Segment [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 39,921 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 38,361 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 46,401 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 53,743 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 65,773 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 209,653 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 453,852 | 519,751
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 359 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 1,090 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 2,168 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 4,134 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 126,534 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 134,285 | 150,734
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 359 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 1,090 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 2,168 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 4,134 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 125,661 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 133,412 | 149,564
Residential Portfolio Segment [Member] | Loans Insured or Guaranteed by US Government Authorities [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 0 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 0 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 0 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 0 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 873 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 873 | 1,170
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,960,730 | 3,371,220
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 2,507,751 | 2,852,639
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, before Allowance for Credit Loss | 452,979 | 518,581
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 42 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 76 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 2,513 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 52 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 285,044 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 287,727 | 329,520
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 42 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 76 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 459 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 52 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 284,532 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 285,161 | 326,190
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Less than 620 [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 0 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 0 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 0 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 2,054 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 0 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 512 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 2,566 | 3,330
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 6,042 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 4,923 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 6,753 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 8,162 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 13,403 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 476,598 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 515,881 | 589,729
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 2,232 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 1,374 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 2,529 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 5,537 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 6,312 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 453,544 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 471,528 | 541,309
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 620 and less than 680 [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 3,810 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 3,549 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 4,224 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 2,625 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 7,091 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 23,054 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 44,353 | 48,420
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 26,597 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 24,578 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 36,258 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 45,686 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 41,174 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 686,664 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 860,957 | 980,994
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 13,493 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 13,862 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 23,139 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 33,794 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 22,308 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 636,765 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 743,361 | 841,797
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 680 and less than 740 [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 13,104 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 10,716 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 13,119 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 11,892 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 18,866 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 49,899 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 117,596 | 139,197
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 58,493 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 44,008 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 64,633 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 87,415 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 76,723 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 964,893 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 1,296,165 | 1,470,977
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member] | Puerto Rico and Virgin Islands regions [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 35,486 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 19,912 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 35,575 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 50,243 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 36,907 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 829,578 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | 1,007,701 | 1,143,343
Residential Portfolio Segment [Member] | Conventional residential mortgage loans [Member] | FICO Score Greater than or equal to 740 [Member] | Florida region [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Financing Receivable, Originated in Current Fiscal Year | 23,007 |
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year | 24,096 |
Financing Receivable, Originated Two Years before Latest Fiscal Year | 29,058 |
Financing Receivable, Originated Three Years before Latest Fiscal Year | 37,172 |
Financing Receivable, Originated Four Years before Latest Fiscal Year | 39,816 |
Financing Receivable, Originated Five or More Years before Latest Fiscal Year | 135,315 |
Financing Receivable, Revolving | 0 |
Financing Receivable, before Allowance for Credit Loss | $ 288,464 | $ 327,634

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