Deposits and Related Interest (Narratives) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deposits [Abstract]
Weighted Average Rate Domestic Deposit	0.57%	0.66%
Puerto Rico Cash & Money Market Fund Deposits	$ 103,700	$ 96,800
Puerto Rico Cash & Money Market Fund Deposits Weighted Average Rate	0.77%	0.78%
Puerto Rico Cash & Money Market Fund Deposits Collateral	$ 81,600	$ 76,300
Time Deposits, $100,000 or More	597,600	608,100
Public Fund Time Deposits, $100,000 or more	$ 7,700	$ 6,900
Public Fund Time Deposits Weighted Average Rate, $100,000 or more	0.49%	0.50%
Public funds deposit	$ 99,000	$ 318,500
Public Fund Collateral Investments		97,800
Public Fund Time Deposits Collateral Commercial Loans	410,900	414,500
Accrued Interest, Time Deposits	1,500
Unamortized deposit discounts	311
Bank Overdrafts	1,500	845
Brokered Certificates of Deposits	711,400	526,200
Brokered Money Market Deposit	71,600	$ 93,100
Equity indexed option	$ 1,100

Brokered certificates of deposits included in non-core deposits.

No definition available.

Name:	ofg_BrokeredCertificatesOfDeposits
Namespace Prefix:	ofg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of the equity indexed options. Equity indexed option is a security which is intangible and whose underlying instrument is composed of equities: an equity index. The market value of an index put and call tends to rise and fall in relation to the underlying index.

+ References

No definition available.