COVER - shares	9 Months Ended
	Sep. 30, 2022	Oct. 31, 2022
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2022
Document Transition Report	false
Entity File Number	001-12647
Entity Registrant Name	OFG Bancorp
Entity Incorporation, State or Country Code	PR
Entity Tax Identification Number	66-0538893
Entity Address, Address Line One	254 Muñoz Rivera Avenue
Entity Address, City or Town	San Juan
Entity Address, Country	PR
Entity Address, Postal Zip Code	00918
City Area Code	787
Local Phone Number	771-6800
Title of 12(b) Security	Common shares, par value $1.00 per share
Trading Symbol	OFG
Security Exchange Name	NYSE
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		47,563,272
Amendment Flag	false
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q3
Entity Central Index Key	0001030469
Current Fiscal Year End Date	--12-31