LOANS HELD FOR INVESTMENT - Corporation's Residential Mortgage Loans By Origination Year Based on Accrual Status (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 12,746,556	$ 12,185,483
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff	113,828	88,102	$ 57,330
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	10,451,606	10,163,222
Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	2,294,950	2,022,261
Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	278,339	263,482
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	252,578	243,621
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	223,074	116,011
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	105,305	59,249
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	54,865	73,090
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,914,270	2,066,273
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,828,431	2,821,726
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	4	2
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0	3
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	9	12
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff	1,958	3,228
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff	1,971	3,245	$ 6,890
Residential Portfolio Segment [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	278,339	263,482
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	252,578	243,536
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	221,773	115,976
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	105,305	59,249
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	54,865	72,660
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,883,622	2,034,584
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,796,482	2,789,487
Residential Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	85
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,301	35
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	430
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	30,648	31,689
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	31,949	32,239
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	188,865	173,464
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	166,337	165,645
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	152,764	70,230
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	63,722	30,083
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,718	45,930
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,723,799	1,870,654
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,323,205	2,356,006
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	4	2
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0	3
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	9	12
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff	1,958	3,222
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff	1,971	3,239
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	188,865	173,464
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	166,337	165,576
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	152,696	70,195
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	63,722	30,083
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,718	45,757
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,700,458	1,845,919
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,299,796	2,330,994
Residential Portfolio Segment [Member] | Puerto Rico and Virgin Islands regions [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	69
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	68	35
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	173
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	23,341	24,735
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	23,409	25,012
Residential Portfolio Segment [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	89,474	90,018
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	86,241	77,976
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	70,310	45,781
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	41,583	29,166
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,147	27,160
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	190,471	195,619
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	505,226	465,720
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff	0	6
Financing Receivable, Excluding Accrued Interest, Revolving, Writeoff	0	0
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff	0	6
Residential Portfolio Segment [Member] | Florida region [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	89,474	90,018
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	86,241	77,960
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	69,077	45,781
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	41,583	29,166
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,147	26,903
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	183,164	188,665
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	496,686	458,493
Residential Portfolio Segment [Member] | Florida region [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	16
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,233	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	257
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	7,307	6,954
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	8,540	7,227
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	378
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,146	681
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,143	942
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	927	525
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	640	1,468
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	88,396	96,242
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	92,252	100,236
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	378
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,146	681
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,143	942
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	927	525
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	640	1,468
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	88,396	96,242
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	92,252	100,236
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	0	0
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	378
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,146	681
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,143	942
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	927	525
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	640	1,468
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	87,268	95,299
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	91,124	99,293
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Puerto Rico and Virgin Islands regions [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	378
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	1,146	681
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,143	942
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	927	525
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	640	1,468
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	87,268	95,299
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	91,124	99,293
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Puerto Rico and Virgin Islands regions [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	0	0
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,128	943
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	1,128	943
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Florida region [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,128	943
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	1,128	943
Residential Portfolio Segment [Member] | FHA/VA Government-Guaranteed Loans [Member] | Florida region [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	0	0
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	278,339	263,104
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	251,432	242,940
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	221,931	115,069
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	104,378	58,724
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	54,225	71,622
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,825,874	1,970,031
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,736,179	2,721,490
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	278,339	263,104
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	251,432	242,855
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	220,630	115,034
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	104,378	58,724
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	54,225	71,192
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,795,226	1,938,342
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,704,230	2,689,251
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	85
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,301	35
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	430
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	30,648	31,689
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	31,949	32,239
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	188,865	173,086
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	165,191	164,964
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	151,621	69,288
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	62,795	29,558
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,078	44,462
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,636,531	1,775,355
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,232,081	2,256,713
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Puerto Rico and Virgin Islands regions [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	188,865	173,086
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	165,191	164,895
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	151,553	69,253
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	62,795	29,558
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,078	44,289
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	1,613,190	1,750,620
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	2,208,672	2,231,701
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Puerto Rico and Virgin Islands regions [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	69
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	68	35
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	173
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	23,341	24,735
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	23,409	25,012
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Florida region [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	89,474	90,018
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	86,241	77,976
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	70,310	45,781
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	41,583	29,166
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,147	27,160
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	189,343	194,676
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	504,098	464,777
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Florida region [Member] | Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	89,474	90,018
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	86,241	77,960
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	69,077	45,781
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	41,583	29,166
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	27,147	26,903
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	182,036	187,722
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	495,558	457,550
Residential Portfolio Segment [Member] | Conventional Residential Mortgage Loans [Member] | Florida region [Member] | Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year	0	16
Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year	1,233	0
Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year	0	0
Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year	0	257
Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year	7,307	6,954
Financing Receivable, Excluding Accrued Interest, Revolving	0	0
Loans held for investment	$ 8,540	$ 7,227