XML 71 R60.htm IDEA: XBRL DOCUMENT
v3.21.1

Investment Securities (Investment Securities by Contractual Maturity) (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | $ 462,115 | $ 432,176
Available-for-sale Securities | 471,009 | 446,438
Held-to-maturity Amortized Cost | 126,767 | 0
Held-to-maturity Fair Value | 125,478 |
Collateralized Mortgage Backed Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 449,041 | 418,976
Available-for-sale Securities | 457,673 | 432,935
Held-to-maturity Amortized Cost | 126,767 |
Held-to-maturity Fair Value | 125,478 |
Collateralized Mortgage Backed Securities [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 220,735 | 206,195
Available-for-sale Securities | 220,996 | 210,949
Collateralized Mortgage Backed Securities [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 193,884 | 174,472
Available-for-sale Securities | 201,348 | 182,772
Collateralized Mortgage Backed Securities [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 34,422 | 38,309
Available-for-sale Securities | 35,329 | 39,214
Collateralized Mortgage Backed Securities [Member] | Maturities Due In Less Than One Year [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 141 |
Available-for-sale Securities | 148 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due In Less Than One Year [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 141 |
Available-for-sale Securities | 148 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From One To Five Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 395 |
Available-for-sale Securities | 396 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From One To Five Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 395 |
Available-for-sale Securities | 396 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 174,467 |
Available-for-sale Securities | 180,064 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 92,424 |
Available-for-sale Securities | 95,664 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 52,748 |
Available-for-sale Securities | 54,294 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due From Five To Ten Years [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 29,295 |
Available-for-sale Securities | 30,106 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 274,038 |
Available-for-sale Securities | 277,065 |
Held-to-maturity Amortized Cost | 126,767 |
Held-to-maturity Fair Value | 125,478 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | FNMA and FHLMC [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 128,170 |
Available-for-sale Securities | 125,184 |
Held-to-maturity Amortized Cost | 126,767 |
Held-to-maturity Fair Value | 125,478 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | GNMA [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 140,741 |
Available-for-sale Securities | 146,658 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Collateralized Mortgage Backed Securities [Member] | Maturities Due After Ten Years [Member] | CMO's [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 5,127 |
Available-for-sale Securities | 5,223 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 13,074 | 13,200
Available-for-sale Securities | 13,336 | 13,503
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,739 | 10,740
Available-for-sale Securities | 10,946 | 10,983
Investment Securities | Obligation of US Government Sponsored Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 1,496 | 1,585
Available-for-sale Securities | 1,512 | 1,606
Investment Securities | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 839 | 875
Available-for-sale Securities | 878 | $ 914
Investment Securities | Maturities Due In Less Than One Year [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 2,481 |
Available-for-sale Securities | 2,497 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 735 |
Available-for-sale Securities | 735 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | Obligation of US Government Sponsored Agencies [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 1,496 |
Available-for-sale Securities | 1,512 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due In Less Than One Year [Member] | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 250 |
Available-for-sale Securities | 250 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,593 |
Available-for-sale Securities | 10,839 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] | US Treasury Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 10,004 |
Available-for-sale Securities | 10,211 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | 0 |
Investment Securities | Maturities Due From One To Five Years [Member] | Other Debt Securities [Member] |  |
Schedule of Investments [Line Items] |  |
Available-for-sale Amortized Cost | 589 |
Available-for-sale Securities | 628 |
Held-to-maturity Amortized Cost | 0 |
Held-to-maturity Fair Value | $ 0 |

X
- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of investment in debt security measured at amortized cost (held-to-maturity). + 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=121553693&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 5 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
Name: | us-gaap_HeldToMaturitySecurities
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 amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27232-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121645371&loc=SL120269820-111563 + Details
Name: | us-gaap_HeldToMaturitySecuritiesFairValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_ScheduleOfInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

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

X
- Details
Name: | ofg_ContractualMaturityAxis=ofg_MaturitiesDueInLessThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ofg_ContractualMaturityAxis=ofg_MaturitiesDueFromOneToFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ofg_ContractualMaturityAxis=ofg_MaturitiesDueFromFiveToTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ofg_ContractualMaturityAxis=ofg_MaturitiesDueAfterTenYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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

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