XML 64 R52.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Significant Event (Narrative) (Details) - USD ($) | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Extraordinary And Unusual Items Abstract |  |
Incurred costs due to hurricane |  | $ 2,200,000
Insurance reimbursement | $ 700 | 1,000,000
Other assets receivable from insurance | 500 | 1,200,000
Estimated total losses |  | $ 6,600,000
Provision for loan losses to replenish the allowance for loan charge-offs | 8,600,000 |
Charge-offs related to the hurricanes. | $ 8,200,000 |

X
- Definition Charge-offs related to the hurricanes. + References No definition available. + Details
Name: | ofg_ChargeOffsRelatedToTheHurricanes
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Total estimated total losses + References No definition available. + Details
Name: | ofg_EstimatedTotalLosses
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Recovery from incurred costs + References No definition available. + Details
Name: | ofg_IncurredCostsDueToHurricane
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Partial payment from insurance companies + References No definition available. + Details
Name: | ofg_InsuranceReimbursement
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Receivable placed in other assets from the insurance companies + References No definition available. + Details
Name: | ofg_OtherAssetsReceivableFromInsurance
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Provision for loan losses to replenish the allowance for loan charge-offs related to the hurricanes + References No definition available. + Details
Name: | ofg_ProvisionForLoanLossesToReplenishTheAllowanceForLoanChargeOffs
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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