XML 91 R77.htm IDEA: XBRL DOCUMENT
v3.10.0.1

FDIC Indemnification Indemnification Asset and True-up Payment Obligation (Narrative) (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2018 | Jun. 30, 2017
FDIC-Assisted Acquisition [Abstract] |  |
(Repayment to) reimbursement to the FDIC for the termination of shared-loss agreements | $ 0 | $ (10,125)

X
- Definition Payment made for the disolution of the FDIC shared-loss agreement. + References No definition available. + Details
Name: | ofg_RepaymentToTheFdicForTheTerminationOfSharedLossAgreements
Namespace Prefix: | ofg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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