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OFG BANCORP Holding Company Only Financial Information (Statement of Operations) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Parent Income [Abstract] |  |  |
Investment securities and other | $ 4,125 | $ 3,608 | $ 4,868
Costs And Expenses Abstract |  |  |
Interest Expense | 57,165 | 69,196 | 76,782
Income (loss) before income taxes | 85,180 | (20,058) | 122,433
Parent Company [Member] |  |  |
Parent Income [Abstract] |  |  |
Interest income, parent | 174 | 321 | 404
Gain On Sale Of Investments | 211 | 0 | 0
Investment securities and other | 4,066 | 4,007 | 4,308
Total income, parent | 4,451 | 4,328 | 4,712
Costs And Expenses Abstract |  |  |
Interest Expense | 1,370 | 1,222 | 1,201
Operating expenses, parent | 7,179 | 6,866 | 6,607
Total expenses | 8,549 | 8,088 | 7,808
Income (loss) before income taxes | (4,098) | (3,760) | (3,096)
Parent Income (Loss) Tax Expense (Benefit) | (518) | 3,088 | 0
Income (loss) before changes in undistributed earnings (losses) in subsidiary | (4,616) | (672) | (3,096)
Bank subsidiary | 58,580 | (3,804) | 84,787
Non bank subsidiaries | 5,222 | 1,972 | 3,490
Net (loss) income | $ 59,186 | $ (2,504) | $ 85,181

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