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OFG BANCORP Holding Company Only Financial Information (Statement of Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Legal Entity [Line Items] |  |  |
Net Income (Loss) Attributable to Parent | $ 59,186 | $ (2,504) | $ 85,181
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |
Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax | (5,023) | (8,814) | 19,843
ParentMember |  |  |
Legal Entity [Line Items] |  |  |
Net Income (Loss) Attributable to Parent | 59,186 | (2,504) | 85,181
Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |
Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax | (204) | (170) | 209
Other comprehensive income (loss) from bank subsidiary | (12,238) | (5,578) | 16,361
Other comprehensive income (loss) before taxes | (12,442) | (5,748) | 16,570
Income tax effect | 41 | 34 | (50)
Other comprehensive income (loss) after taxes | (12,401) | (5,714) | 16,520
Comprehensive income | $ 46,785 | $ (8,218) | $ 101,701

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- Definition Tax effect on the (1) change in accumulated gains and losses from derivative instruments designated and qualifying as the effective portion of cash flow hedges and (2) gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on. + References No definition available. + Details
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- Definition The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=51831255 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=51831270 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 + Details
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