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	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 11,777,289	$ 9,002,205
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	9,788,106	7,128,277
Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,989,183	1,873,928
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	860,995
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	719,940
Financing Receivable, Originated Two Years before Latest Fiscal Year	347,149
Financing Receivable, Originated Three Years before Latest Fiscal Year	330,144
Financing Receivable, Originated Four Years before Latest Fiscal Year	120,716
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	289,393
Financing Receivable, Revolving	534,253
Loans held for investment	3,202,590	2,230,876
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	644,355
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	396,400
Financing Receivable, Originated Two Years before Latest Fiscal Year	240,679
Financing Receivable, Originated Three Years before Latest Fiscal Year	245,514
Financing Receivable, Originated Four Years before Latest Fiscal Year	110,978
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	241,554
Financing Receivable, Revolving	385,251
Loans held for investment	2,264,731	1,391,413
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	216,640
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	323,540
Financing Receivable, Originated Two Years before Latest Fiscal Year	106,470
Financing Receivable, Originated Three Years before Latest Fiscal Year	84,630
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,738
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	47,839
Financing Receivable, Revolving	149,002
Loans held for investment	937,859	839,463
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member] \| Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	817,880
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	659,892
Financing Receivable, Originated Two Years before Latest Fiscal Year	332,333
Financing Receivable, Originated Three Years before Latest Fiscal Year	311,099
Financing Receivable, Originated Four Years before Latest Fiscal Year	119,038
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	232,923
Financing Receivable, Revolving	505,185
Loans held for investment	2,978,350	2,159,501
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	642,966
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	395,232
Financing Receivable, Originated Two Years before Latest Fiscal Year	237,958
Financing Receivable, Originated Three Years before Latest Fiscal Year	226,469
Financing Receivable, Originated Four Years before Latest Fiscal Year	109,300
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	186,781
Financing Receivable, Revolving	356,520
Loans held for investment	2,155,226	1,321,804
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	174,914
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	264,660
Financing Receivable, Originated Two Years before Latest Fiscal Year	94,375
Financing Receivable, Originated Three Years before Latest Fiscal Year	84,630
Financing Receivable, Originated Four Years before Latest Fiscal Year	9,738
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	46,142
Financing Receivable, Revolving	148,665
Loans held for investment	823,124	837,697
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	2,999
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	59,335
Financing Receivable, Originated Two Years before Latest Fiscal Year	12,095
Financing Receivable, Originated Three Years before Latest Fiscal Year	827
Financing Receivable, Originated Four Years before Latest Fiscal Year	68
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,335
Financing Receivable, Revolving	27,736
Loans held for investment	133,395	39,327
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	455
Financing Receivable, Originated Two Years before Latest Fiscal Year	0
Financing Receivable, Originated Three Years before Latest Fiscal Year	827
Financing Receivable, Originated Four Years before Latest Fiscal Year	68
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,335
Financing Receivable, Revolving	27,736
Loans held for investment	59,421	39,327
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	2,999
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	58,880
Financing Receivable, Originated Two Years before Latest Fiscal Year	12,095
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	73,974	0
Commercial Portfolio Segment [Member] \| Commercial And Industrial Sector [Member] \| Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	40,116
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	713
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,721
Financing Receivable, Originated Three Years before Latest Fiscal Year	18,218
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,610
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	26,135
Financing Receivable, Revolving	1,332
Loans held for investment	90,845	29,031
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	1,389
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	713
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,721
Financing Receivable, Originated Three Years before Latest Fiscal Year	18,218
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,610
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	24,438
Financing Receivable, Revolving	995
Loans held for investment	50,084	27,265
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	38,727
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	1,697
Financing Receivable, Revolving	337
Loans held for investment	40,761	1,766
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	0
Financing Receivable, Revolving	0
Loans held for investment	0	2,768
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	2,768
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	0
Financing Receivable, Revolving	0
Loans held for investment	0	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	249
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	249
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	449,267
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	451,177
Financing Receivable, Originated Two Years before Latest Fiscal Year	319,798
Financing Receivable, Originated Three Years before Latest Fiscal Year	359,394
Financing Receivable, Originated Four Years before Latest Fiscal Year	191,955
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	429,928
Financing Receivable, Revolving	29,083
Loans held for investment	2,230,602	1,444,586
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	384,035
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	346,296
Financing Receivable, Originated Two Years before Latest Fiscal Year	273,075
Financing Receivable, Originated Three Years before Latest Fiscal Year	302,311
Financing Receivable, Originated Four Years before Latest Fiscal Year	153,143
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	393,831
Financing Receivable, Revolving	533
Loans held for investment	1,853,224	1,079,900
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	65,232
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	104,881
Financing Receivable, Originated Two Years before Latest Fiscal Year	46,723
Financing Receivable, Originated Three Years before Latest Fiscal Year	57,083
Financing Receivable, Originated Four Years before Latest Fiscal Year	38,812
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	36,097
Financing Receivable, Revolving	28,550
Loans held for investment	377,378	364,686
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	432,276
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	345,660
Financing Receivable, Originated Two Years before Latest Fiscal Year	241,285
Financing Receivable, Originated Three Years before Latest Fiscal Year	234,789
Financing Receivable, Originated Four Years before Latest Fiscal Year	171,764
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	353,452
Financing Receivable, Revolving	24,228
Loans held for investment	1,803,454	1,255,668
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	383,847
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	264,499
Financing Receivable, Originated Two Years before Latest Fiscal Year	201,344
Financing Receivable, Originated Three Years before Latest Fiscal Year	183,056
Financing Receivable, Originated Four Years before Latest Fiscal Year	143,673
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	334,875
Financing Receivable, Revolving	533
Loans held for investment	1,511,827	891,298
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	48,429
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	81,161
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,941
Financing Receivable, Originated Three Years before Latest Fiscal Year	51,733
Financing Receivable, Originated Four Years before Latest Fiscal Year	28,091
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	18,577
Financing Receivable, Revolving	23,695
Loans held for investment	291,627	364,370
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	16,803
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	105,517
Financing Receivable, Originated Two Years before Latest Fiscal Year	78,513
Financing Receivable, Originated Three Years before Latest Fiscal Year	124,605
Financing Receivable, Originated Four Years before Latest Fiscal Year	19,487
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28,383
Financing Receivable, Revolving	4,855
Loans held for investment	378,163	13,080
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	81,797
Financing Receivable, Originated Two Years before Latest Fiscal Year	71,731
Financing Receivable, Originated Three Years before Latest Fiscal Year	119,255
Financing Receivable, Originated Four Years before Latest Fiscal Year	8,766
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,187
Financing Receivable, Revolving	0
Loans held for investment	292,736	13,080
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	16,803
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	23,720
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,782
Financing Receivable, Originated Three Years before Latest Fiscal Year	5,350
Financing Receivable, Originated Four Years before Latest Fiscal Year	10,721
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	17,196
Financing Receivable, Revolving	4,855
Loans held for investment	85,427	0
Commercial Portfolio Segment [Member] \| Mortgage Receivable [Member] \| Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	188
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	704
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	48,093
Financing Receivable, Revolving	0
Loans held for investment	48,985	175,838
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	188
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	704
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	47,769
Financing Receivable, Revolving	0
Loans held for investment	48,661	175,522
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	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	324
Financing Receivable, Revolving	0
Loans held for investment	324	316
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	74,489
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	56,806
Financing Receivable, Originated Two Years before Latest Fiscal Year	49,870
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,825
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,189
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,490
Financing Receivable, Revolving	831
Loans held for investment	212,500	111,317
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	12,676
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,134
Financing Receivable, Originated Two Years before Latest Fiscal Year	6,702
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,825
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,189
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	7,490
Financing Receivable, Revolving	0
Loans held for investment	85,016	48,246
Commercial Portfolio Segment [Member] \| Construction Loans [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	61,813
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,672
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,168
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	831
Loans held for investment	127,484	63,071
Commercial Portfolio Segment [Member] \| Construction Loans [Member] \| Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	74,489
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	55,144
Financing Receivable, Originated Two Years before Latest Fiscal Year	44,936
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,825
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,920
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,175
Financing Receivable, Revolving	831
Loans held for investment	196,320	98,751
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	12,676
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	33,472
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,768
Financing Receivable, Originated Three Years before Latest Fiscal Year	15,825
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,920
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,175
Financing Receivable, Revolving	0
Loans held for investment	68,836	35,680
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	61,813
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	21,672
Financing Receivable, Originated Two Years before Latest Fiscal Year	43,168
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	831
Loans held for investment	127,484	63,071
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	776
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	776	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	776
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	776	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	886
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,934
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,269
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,315
Financing Receivable, Revolving	0
Loans held for investment	15,404	12,566
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	886
Financing Receivable, Originated Two Years before Latest Fiscal Year	4,934
Financing Receivable, Originated Three Years before Latest Fiscal Year	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	5,269
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,315
Financing Receivable, Revolving	0
Loans held for investment	15,404	12,566
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]

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