XML 82 R71.htm IDEA: XBRL DOCUMENT
v3.19.2

INVESTMENT SECURITIES - Investment Securities Available for Sale (Detail) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 1,798,373 | $ 1,975,230
Noncredit Loss Component of OTTI Recorded in OCI | 5,357 | 5,426
Gross Unrealized gain | 19,542 | 7,260
Gross Unrealized loss | 8,870 | 34,496
Investment securities available for sale | $ 1,803,688 | $ 1,942,568
Weighted-average yield | 2.53% | 2.55%
Mortgage-backed Securities, Issued by Private Enterprises [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Weighted-average yield | 4.39% |
U S Treasury Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost Due within one year | $ 7,452 | $ 7,489
Noncredit Loss Component of OTTI Recorded in OCI Due within one year | 0 | 0
Gross Unrealized gains Due within one year | 12 | 0
Gross Unrealized losses Due within one year | 0 | 33
Fair value Due within one year | $ 7,464 | $ 7,456
Weighted-average yield Due within one year | 2.42% | 1.29%
U.S. government-sponsored agencies obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost Due within one year | $ 182,408 | $ 191,531
Noncredit Loss Component of OTTI Recorded in OCI Due within one year | 0 | 0
Gross Unrealized gains Due within one year | 1 | 0
Gross Unrealized losses Due within one year | 482 | 1,908
Fair value Due within one year | $ 181,927 | $ 189,623
Weighted-average yield Due within one year | 1.31% | 1.28%
Amortized cost After 1 to 5 years | $ 166,618 | $ 184,851
Noncredit Loss Component of OTTI Recorded in OCI After 1 to 5 years | 0 | 0
Gross Unrealized gains After 1 to 5 years | 580 | 203
Gross Unrealized losses After 1 to 5 years | 473 | 2,249
Fair value After 1 to 5 years | $ 166,725 | $ 182,805
Weighted-average yield After 1 to 5 years | 2.02% | 2.07%
Amortized cost After 5 to 10 years | $ 154,368 | $ 195,750
Noncredit Loss Component of OTTI Recorded in OCI After 5 to 10 years | 0 | 0
Gross Unrealized gains After 5 to 10 years | 1,064 | 286
Fair value After 5 to 10 years | $ 155,424 | $ 194,362
Weighted-average yield After 5 to 10 years | 2.89% | 2.95%
Amortized cost After 10 years | $ 29,233 | $ 34,627
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 6 | 0
Gross Unrealized losses After 10 years | 60 | 217
Fair value After 10 years | $ 29,179 | $ 34,410
Weighted-average yield After 10 years | 2.70% | 2.68%
Gross Unrealized losses After 5 to 10 years | $ 8 | $ 1,674
Puerto Rico Government obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost After 5 to 10 years | 4,000 | 4,000
Noncredit Loss Component of OTTI Recorded in OCI After 5 to 10 years | 0 | 0
Gross Unrealized gains After 5 to 10 years | 92 | 128
Fair value After 5 to 10 years | $ 4,092 | $ 4,128
Weighted-average yield After 5 to 10 years | 5.12% | 5.12%
Amortized cost After 10 years | $ 4,298 | $ 4,185
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 0 | 0
Gross Unrealized losses After 10 years | 1,399 | 1,361
Fair value After 10 years | $ 2,899 | $ 2,824
Weighted-average yield After 10 years | 6.97% | 6.97%
Gross Unrealized losses After 5 to 10 years | $ 0 | $ 0
United States And Puerto Rico Government Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | 548,377 | 622,433
Noncredit Loss Component of OTTI Recorded in OCI | 0 | 0
Gross Unrealized gain | 1,755 | 617
Gross Unrealized loss | 2,422 | 7,442
Investment securities available for sale | $ 547,710 | $ 615,608
Weighted-average yield | 2.13% | 2.18%
Mortgage Backed Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost | $ 1,249,496 | $ 1,352,297
Noncredit Loss Component of OTTI Recorded in OCI | 5,357 | 5,426
Gross Unrealized gain | 17,787 | 6,643
Gross Unrealized loss | 6,448 | 27,054
Investment securities available for sale | $ 1,255,478 | $ 1,326,460
Weighted-average yield | 2.71% | 2.71%
Mortgage Backed Securities [Member] | Freddie Mac (FHLMC) certificates [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost After 5 to 10 years | $ 83,358 | $ 92,149
Noncredit Loss Component of OTTI Recorded in OCI After 5 to 10 years | 0 | 0
Gross Unrealized gains After 5 to 10 years | 312 | 31
Fair value After 5 to 10 years | $ 83,339 | $ 90,330
Weighted-average yield After 5 to 10 years | 2.08% | 2.09%
Amortized cost After 10 years | $ 246,050 | $ 265,624
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 2,657 | 523
Gross Unrealized losses After 10 years | 1,501 | 6,699
Fair value After 10 years | $ 247,206 | $ 259,448
Weighted-average yield After 10 years | 2.52% | 2.52%
Amortized cost | $ 329,408 | $ 357,773
Noncredit Loss Component of OTTI Recorded in OCI | 0 | 0
Gross Unrealized gain | 2,969 | 554
Gross Unrealized loss | 1,832 | 8,549
Investment securities available for sale | 330,545 | 349,778
Gross Unrealized losses After 5 to 10 years | $ 331 | $ 1,850
Weighted-average yield | 2.41% | 2.41%
Mortgage Backed Securities [Member] | Ginnie Mae (GNMA) certificates [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost Due within one year | $ 2 |
Noncredit Loss Component of OTTI Recorded in OCI Due within one year | 0 |
Gross Unrealized gains Due within one year | 0 |
Gross Unrealized losses Due within one year | 0 |
Fair value Due within one year | $ 2 |
Weighted-average yield Due within one year | 3.77% |
Amortized cost After 1 to 5 years | $ 137 | $ 176
Noncredit Loss Component of OTTI Recorded in OCI After 1 to 5 years | 0 | 0
Gross Unrealized gains After 1 to 5 years | 2 | 3
Gross Unrealized losses After 1 to 5 years | 0 | 0
Fair value After 1 to 5 years | $ 139 | $ 179
Weighted-average yield After 1 to 5 years | 3.84% | 3.43%
Amortized cost After 5 to 10 years | $ 54,179 | $ 61,604
Noncredit Loss Component of OTTI Recorded in OCI After 5 to 10 years | 0 | 0
Gross Unrealized gains After 5 to 10 years | 480 | 408
Fair value After 5 to 10 years | $ 54,624 | $ 61,509
Weighted-average yield After 5 to 10 years | 2.87% | 2.88%
Amortized cost After 10 years | $ 111,034 | $ 118,898
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 5,455 | 2,938
Gross Unrealized losses After 10 years | 187 | 747
Fair value After 10 years | $ 116,302 | $ 121,089
Weighted-average yield After 10 years | 3.94% | 3.92%
Amortized cost | $ 165,352 | $ 180,678
Noncredit Loss Component of OTTI Recorded in OCI | 0 | 0
Gross Unrealized gain | 5,937 | 3,349
Gross Unrealized loss | 222 | 1,250
Investment securities available for sale | 171,067 | 182,777
Gross Unrealized losses After 5 to 10 years | $ 35 | $ 503
Weighted-average yield | 3.59% | 3.56%
Mortgage Backed Securities [Member] | Fannie Mae (FNMA) certificates [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost Due within one year |  | $ 119
Noncredit Loss Component of OTTI Recorded in OCI Due within one year |  | 0
Gross Unrealized gains Due within one year |  | 2
Gross Unrealized losses Due within one year |  | 0
Fair value Due within one year |  | $ 121
Weighted-average yield Due within one year |  | 2.20%
Amortized cost After 1 to 5 years | $ 19,789 | $ 19,798
Noncredit Loss Component of OTTI Recorded in OCI After 1 to 5 years | 0 | 0
Gross Unrealized gains After 1 to 5 years | 402 | 50
Gross Unrealized losses After 1 to 5 years | 6 | 122
Fair value After 1 to 5 years | $ 20,185 | $ 19,726
Weighted-average yield After 1 to 5 years | 2.79% | 2.79%
Amortized cost After 5 to 10 years | $ 149,405 | $ 165,067
Noncredit Loss Component of OTTI Recorded in OCI After 5 to 10 years | 0 | 0
Gross Unrealized gains After 5 to 10 years | 1,254 | 2
Fair value After 5 to 10 years | $ 149,823 | $ 161,247
Weighted-average yield After 5 to 10 years | 2.12% | 2.13%
Amortized cost After 10 years | $ 509,874 | $ 543,972
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 6,813 | 2,211
Gross Unrealized losses After 10 years | 3,551 | 13,233
Fair value After 10 years | $ 513,136 | $ 532,950
Weighted-average yield After 10 years | 2.67% | 2.67%
Amortized cost | $ 679,068 | $ 728,956
Noncredit Loss Component of OTTI Recorded in OCI | 0 | 0
Gross Unrealized gain | 8,469 | 2,265
Gross Unrealized loss | 4,393 | 17,177
Investment securities available for sale | 683,144 | 714,044
Gross Unrealized losses After 5 to 10 years | $ 836 | $ 3,822
Weighted-average yield | 2.55% | 2.55%
Mortgage Backed Securities [Member] | Collateralized mortgage obligations guaranteed by the FHLMC and GNMA [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost After 1 to 5 years | $ 930 | $ 6,530
Noncredit Loss Component of OTTI Recorded in OCI After 1 to 5 years | 0 | 0
Gross Unrealized gains After 1 to 5 years | 1 | 1
Gross Unrealized losses After 1 to 5 years | 0 | 18
Fair value After 1 to 5 years | $ 931 | $ 6,513
Weighted-average yield After 1 to 5 years | 3.07% | 3.15%
Amortized cost After 10 years | $ 56,874 | $ 59,020
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 0 | 0
Gross Unrealized gains After 10 years | 411 | 474
Gross Unrealized losses After 10 years | 1 | 60
Fair value After 10 years | $ 57,284 | $ 59,434
Weighted-average yield After 10 years | 3.16% | 3.22%
Amortized cost | $ 57,804 | $ 65,550
Noncredit Loss Component of OTTI Recorded in OCI | 0 | 0
Gross Unrealized gain | 412 | 475
Gross Unrealized loss | 1 | 78
Investment securities available for sale | $ 58,215 | $ 65,947
Weighted-average yield | 3.16% | 3.22%
Mortgage Backed Securities [Member] | Mortgage-backed Securities, Issued by Private Enterprises [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost After 10 years | $ 17,864 | $ 19,340
Noncredit Loss Component of OTTI Recorded in OCI After 10 years | 5,357 | 5,426
Gross Unrealized gains After 10 years | 0 | 0
Gross Unrealized losses After 10 years | 0 | 0
Fair value After 10 years | $ 12,507 | $ 13,914
Weighted-average yield After 10 years | 4.39% | 4.89%
Other Debt Obligations [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Amortized cost After 1 to 5 years | $ 500 | $ 500
Noncredit Loss Component of OTTI Recorded in OCI After 1 to 5 years | 0 | 0
Gross Unrealized gains After 1 to 5 years | 0 | 0
Gross Unrealized losses After 1 to 5 years | 0 | 0
Fair value After 1 to 5 years | $ 500 | $ 500
Weighted-average yield After 1 to 5 years | 2.96% | 2.96%

X
- Definition Total of accumulated other comprehensive loss related to that portion of OTTI due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. + References No definition available. + Details
Name: | fbp_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecuritiesAfterFiveThroughTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total of accumulated other comprehensive loss related to that portion of OTTI due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security, maturing in second through fifth fiscal year following latest fiscal year. + References No definition available. + Details
Name: | fbp_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecuritiesAfterOneThroughFiveYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total of accumulated other comprehensive loss related to that portion of OTTI due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security, maturing after tenth fiscal year following latest fiscal year. + References No definition available. + Details
Name: | fbp_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecuritiesAfterTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total of accumulated other comprehensive loss related to that portion of OTTI due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security, maturing in next fiscal year following latest fiscal year. + References No definition available. + Details
Name: | fbp_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecuritiesWithinOneYear
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxAfterFiveThroughTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxAfterOneThroughFiveYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxAfterTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.This represents single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTaxWithinOneYear
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxAfterFiveThroughTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxAfterOneThroughFiveYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. This represents single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxAfterTenYears
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.This represents single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References No definition available. + Details
Name: | fbp_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTaxWithinOneYear
Namespace Prefix: | fbp_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References No definition available. + Details
Name: | fbp_DebtSecuritiesAvailableForSaleMaturityWeightedAverageYield
Namespace Prefix: | fbp_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Total of accumulated other comprehensive loss related to that portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized either as available-for-sale or held-to-maturity that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 9A -URI http://asc.fasb.org/extlink&oid=109979856&loc=SL6284427-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
Name: | us-gaap_AccumulatedOtherComprehensiveIncomeLossOtherThanTemporaryImpairmentNotCreditLossNetOfTaxDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleDebtSecuritiesAmortizedCostBasis
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth fiscal year through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security, measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amortized cost of investment in debt security measured at fair value with change recognized in other comprehensive income (available-for-sale), with single maturity date and allocated without single maturity date, maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26610-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 + Details
Name: | us-gaap_AvailableForSaleSecuritiesDebtSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing after tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Industry Guide -Number 3 -Section II -Paragraph B + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleMaturityAfter10YearsWeightedAverageYield
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in sixth through tenth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Industry Guide -Number 3 -Section II -Paragraph B + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleMaturityAfterFiveThroughTenYearsWeightedAverageYield
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in second through fifth fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Industry Guide -Number 3 -Section II -Paragraph B + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleMaturityAfterOneThroughFiveYearsWeightedAverageYield
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Weighted average yield of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), maturing in next fiscal year following latest fiscal year. Excludes interim and annual periods when interim period is reported on rolling approach, from latest statement of financial position date. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Industry Guide -Number 3 -Section II -Paragraph B + Details
Name: | us-gaap_DebtSecuritiesAvailableForSaleMaturityWithinOneYearWeightedAverageYield
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfAvailableForSaleSecuritiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_MortgageBackedSecuritiesIssuedByPrivateEnterprisesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentSponsoredEnterprisesDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_USStatesAndPoliticalSubdivisionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=fbp_UnitedStatesAndPuertoRicoGovernmentObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_MortgageBackedSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FederalHomeLoanMortgageCorporationCertificatesAndObligationsFHLMCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_GovernmentNationalMortgageAssociationCertificatesAndObligationsGNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_CollateralizedMortgageObligationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=us-gaap_OtherDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |