XML 70 R59.htm IDEA: XBRL DOCUMENT
v3.19.2

Investment Securities (Gross Realized Gains and Losses by Category) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Jun. 30, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Sale Price | $ 191,200 |  | $ 354,501 | $ 0
Book Value | $ 349,700 | $ 0 | 349,726 | $ 0
Available-For-Sale Securities, Gross Realized Gains |  |  | 4,776 |
Available-For-Sale, Securities Gross Realized Losses |  |  | 0 |
FNMA and FHLMC [Member] | Collateralized Mortgage Backed Securities [Member] |  |  |  |
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Sale Price |  |  | 213,376 |
Book Value |  |  | 211,549 |
Available-For-Sale Securities, Gross Realized Gains |  |  | 1,827 |
Available-For-Sale, Securities Gross Realized Losses |  |  | 0 |
GNMA [Member] | Collateralized Mortgage Backed Securities [Member] |  |  |  |
Investments, Debt and Equity Securities [Abstract] |  |  |  |
Sale Price |  |  | 141,125 |
Book Value |  |  | 138,177 |
Available-For-Sale Securities, Gross Realized Gains |  |  | 2,949 |
Available-For-Sale, Securities Gross Realized Losses |  |  | $ 0 |

X
- References No definition available. + Details
Name: | ofg_AvailableForSaleSecuritiesSoldBookValue
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedGains
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesGrossRealizedLosses
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_InvestmentsDebtAndEquitySecuritiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfAvailableForSaleSecurities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Details
Name: | invest_InvestmentSecuritiesClassAxis=us-gaap_MortgageBackedSecuritiesMember
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: |