LOANS HELD FOR INVESTMENT - Corporation's Commercial and Construction Loans by Portfolio Classes and by Origination Year Based on the Internal Credit Risk Category (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 11,577,985		$ 11,552,825
Charge-offs	17,917	$ 12,715
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	9,598,623		9,464,474
Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,979,362		2,088,351
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	107,381
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	580,603
Financing Receivable, Originated Two Years before Latest Fiscal Year	343,579
Financing Receivable, Originated Three Years before Latest Fiscal Year	258,153
Financing Receivable, Originated Four Years before Latest Fiscal Year	512,296
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	368,602
Financing Receivable, Revolving	691,575
Loans held for investment	2,862,189		2,886,263
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	63
Financing Receivable, Revolving, Writeoff	55
Charge-offs	118	290
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	70,739
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	303,735
Financing Receivable, Originated Two Years before Latest Fiscal Year	189,390
Financing Receivable, Originated Three Years before Latest Fiscal Year	181,936
Financing Receivable, Originated Four Years before Latest Fiscal Year	322,684
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	274,285
Financing Receivable, Revolving	598,459
Loans held for investment	1,941,228		1,860,109
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	63
Financing Receivable, Revolving, Writeoff	55
Charge-offs	118
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	36,642
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	276,868
Financing Receivable, Originated Two Years before Latest Fiscal Year	154,189
Financing Receivable, Originated Three Years before Latest Fiscal Year	76,217
Financing Receivable, Originated Four Years before Latest Fiscal Year	189,612
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	94,317
Financing Receivable, Revolving	93,116
Loans held for investment	920,961		1,026,154
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Revolving, Writeoff	0
Charge-offs	0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	107,381
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	580,471
Financing Receivable, Originated Two Years before Latest Fiscal Year	322,667
Financing Receivable, Originated Three Years before Latest Fiscal Year	257,237
Financing Receivable, Originated Four Years before Latest Fiscal Year	491,668
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	326,933
Financing Receivable, Revolving	658,574
Loans held for investment	2,744,931		2,768,723
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	70,739
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	303,603
Financing Receivable, Originated Two Years before Latest Fiscal Year	188,155
Financing Receivable, Originated Three Years before Latest Fiscal Year	181,284
Financing Receivable, Originated Four Years before Latest Fiscal Year	308,225
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	254,283
Financing Receivable, Revolving	565,758
Loans held for investment	1,872,047		1,789,572
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Pass [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	36,642
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	276,868
Financing Receivable, Originated Two Years before Latest Fiscal Year	134,512
Financing Receivable, Originated Three Years before Latest Fiscal Year	75,953
Financing Receivable, Originated Four Years before Latest Fiscal Year	183,443
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	72,650
Financing Receivable, Revolving	92,816
Loans held for investment	872,884		979,151
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132
Financing Receivable, Originated Two Years before Latest Fiscal Year	20,516
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,003
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	24,610
Financing Receivable, Revolving	32,322
Loans held for investment	84,583		61,129
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132
Financing Receivable, Originated Two Years before Latest Fiscal Year	839
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,029
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,885
Financing Receivable, Revolving	32,322
Loans held for investment	47,207		43,224
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Special Mention [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	19,677
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,974
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,725
Financing Receivable, Revolving	0
Loans held for investment	37,376		17,905
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	396
Financing Receivable, Originated Three Years before Latest Fiscal Year	916
Financing Receivable, Originated Four Years before Latest Fiscal Year	13,625
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,971
Financing Receivable, Revolving	679
Loans held for investment	25,587		56,411
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	396
Financing Receivable, Originated Three Years before Latest Fiscal Year	652
Financing Receivable, Originated Four Years before Latest Fiscal Year	13,430
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,117
Financing Receivable, Revolving	379
Loans held for investment	21,974		27,313
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Substandard [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	264
Financing Receivable, Originated Four Years before Latest Fiscal Year	195
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,854
Financing Receivable, Revolving	300
Loans held for investment	3,613		29,098
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,088
Financing Receivable, Revolving	0
Loans held for investment	7,088		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Doubtful [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,088
Financing Receivable, Revolving	0
Loans held for investment	7,088		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Commercial And Industrial Sector [Member] | Loss [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	70,998
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	569,996
Financing Receivable, Originated Two Years before Latest Fiscal Year	209,683
Financing Receivable, Originated Three Years before Latest Fiscal Year	410,826
Financing Receivable, Originated Four Years before Latest Fiscal Year	369,061
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	703,066
Financing Receivable, Revolving	20,029
Loans held for investment	2,353,659		2,358,851
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	18
Financing Receivable, Revolving, Writeoff	0
Charge-offs	18	37
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	67,469
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	392,604
Financing Receivable, Originated Two Years before Latest Fiscal Year	139,536
Financing Receivable, Originated Three Years before Latest Fiscal Year	361,687
Financing Receivable, Originated Four Years before Latest Fiscal Year	304,510
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	562,889
Financing Receivable, Revolving	478
Loans held for investment	1,829,173		1,834,204
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	18
Financing Receivable, Revolving, Writeoff	0
Charge-offs	18
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	3,529
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	177,392
Financing Receivable, Originated Two Years before Latest Fiscal Year	70,147
Financing Receivable, Originated Three Years before Latest Fiscal Year	49,139
Financing Receivable, Originated Four Years before Latest Fiscal Year	64,551
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	140,177
Financing Receivable, Revolving	19,551
Loans held for investment	524,486		524,647
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Revolving, Writeoff	0
Charge-offs	0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	70,998
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	568,687
Financing Receivable, Originated Two Years before Latest Fiscal Year	209,683
Financing Receivable, Originated Three Years before Latest Fiscal Year	366,165
Financing Receivable, Originated Four Years before Latest Fiscal Year	352,958
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	540,971
Financing Receivable, Revolving	20,029
Loans held for investment	2,129,491		2,158,912
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	67,469
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	391,295
Financing Receivable, Originated Two Years before Latest Fiscal Year	139,536
Financing Receivable, Originated Three Years before Latest Fiscal Year	325,141
Financing Receivable, Originated Four Years before Latest Fiscal Year	301,638
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	400,794
Financing Receivable, Revolving	478
Loans held for investment	1,626,351		1,655,728
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Pass [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	3,529
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	177,392
Financing Receivable, Originated Two Years before Latest Fiscal Year	70,147
Financing Receivable, Originated Three Years before Latest Fiscal Year	41,024
Financing Receivable, Originated Four Years before Latest Fiscal Year	51,320
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	140,177
Financing Receivable, Revolving	19,551
Loans held for investment	503,140		503,184
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,177
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	43,493
Financing Receivable, Originated Four Years before Latest Fiscal Year	13,306
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	131,350
Financing Receivable, Revolving	0
Loans held for investment	189,326		165,710
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,177
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	36,546
Financing Receivable, Originated Four Years before Latest Fiscal Year	75
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	131,350
Financing Receivable, Revolving	0
Loans held for investment	169,148		145,415
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Special Mention [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	6,947
Financing Receivable, Originated Four Years before Latest Fiscal Year	13,231
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	20,178		20,295
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,168
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,797
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,745
Financing Receivable, Revolving	0
Loans held for investment	34,842		34,229
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	132
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,797
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,745
Financing Receivable, Revolving	0
Loans held for investment	33,674		33,061
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Substandard [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,168
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	1,168		1,168
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Doubtful [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Mortgage Receivable [Member] | Loss [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,586
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	66,528
Financing Receivable, Originated Two Years before Latest Fiscal Year	61,709
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,365
Financing Receivable, Revolving	2,476
Loans held for investment	143,664		132,953
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Revolving, Writeoff	0
Charge-offs	0	$ 44
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,479
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,509
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,842
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,365
Financing Receivable, Revolving	0
Loans held for investment	48,195		34,772
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Revolving, Writeoff	0
Charge-offs	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	107
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	50,019
Financing Receivable, Originated Two Years before Latest Fiscal Year	42,867
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	2,476
Loans held for investment	95,469		98,181
Financing Receivable, Year One, Originated, Current Fiscal Year, Writeoff	0
Financing Receivable, Year Two, Originated, Fiscal Year Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Three, Originated, Two Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Four, Originated, Three Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Year Five, Originated, Four Years Before Current Fiscal Year, Writeoff	0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year, Writeoff	0
Financing Receivable, Revolving, Writeoff	0
Charge-offs	0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,586
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	66,528
Financing Receivable, Originated Two Years before Latest Fiscal Year	61,709
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,885
Financing Receivable, Revolving	2,476
Loans held for investment	141,184		130,060
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6,479
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	16,509
Financing Receivable, Originated Two Years before Latest Fiscal Year	18,842
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,885
Financing Receivable, Revolving	0
Loans held for investment	45,715		31,879
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	107
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	50,019
Financing Receivable, Originated Two Years before Latest Fiscal Year	42,867
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	2,476
Loans held for investment	95,469		98,181
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,480
Financing Receivable, Revolving	0
Loans held for investment	2,480		2,893
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,480
Financing Receivable, Revolving	0
Loans held for investment	2,480		2,893
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Doubtful [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	0		0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Loss [Member] | Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	0
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	0
Financing Receivable, Revolving	0
Loans held for investment	$ 0		$ 0