INTEREST AND DIVIDEND ON INVESTMENTS (Tables)

12 Months Ended

Dec. 31, 2018

Investment Income, Interest and Dividend [Abstract]

Schedule of interest on investments and FHLB dividend income

The following provides information about interest on investments and FHLB dividend income:

			Year Ended December 31,
			2018		2017		2016
	(In thousands)
	Mortgage-backed securities:
	Taxable	$	8,688	$	9,656	$	11,246
	Exempt (1)		27,741		24,575		20,921
			36,429		34,231		32,167
	PR government obligations, U.S. Treasury securities, and U.S.
	government agencies:
	Taxable		470		2,091		4,131
	Exempt (1)		20,582		12,690		13,145
			21,052		14,781		17,276
	Other investment securities (including FHLB dividends)
	Taxable		2,743		2,113		1,462
	Total interest income on investment securities		60,224		51,125		50,905
	Interest on money market investments and interest-bearing cash accounts
	Taxable		10,863		4,609		2,669
	Exempt		233		5		696
	Total interest income on money market investments and interest-bearing cash accounts		11,096		4,614		3,365
	Total interest and dividend income on investment securities, money market
	investments, and interest-bearing cash accounts	$	71,320	$	55,739	$	54,270
(1)	Primarily MBS and government obligations held by International Banking Entities, whose interest income and sales is exempt from Puerto Rico income taxation under the International Banking Entity Act of Puerto Rico.

The following table summarizes the components of interest and dividend income on investments:
		Year Ended December 31,
		2018	2017		2016
(In thousands)
Interest income on investment securities, money
market investments, and interest-bearing cash accounts	$	68,592	$	53,634	$	52,816
Dividends on FHLB stock		2,728		2,105		1,454
Total interest income and dividends on investments	$	71,320	$	55,739	$	54,270