LOANS HELD FOR INVESTMENT - Corporation's Consumer Loans by Origination Year Based on Accrual Status (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 11,206,874	$ 11,060,658
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	9,217,727	9,113,918
Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,989,147	1,946,740
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	652,400
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	897,713
Financing Receivable, Originated Two Years before Latest Fiscal Year	453,281
Financing Receivable, Originated Three Years before Latest Fiscal Year	440,813
Financing Receivable, Originated Four Years before Latest Fiscal Year	231,062
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	122,350
Financing Receivable, Revolving	309,230
Loans held for investment	3,106,849	2,888,044
Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	652,291
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	896,010
Financing Receivable, Originated Two Years before Latest Fiscal Year	452,012
Financing Receivable, Originated Three Years before Latest Fiscal Year	438,205
Financing Receivable, Originated Four Years before Latest Fiscal Year	229,136
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	119,901
Financing Receivable, Revolving	308,979
Loans held for investment	3,096,534	2,877,590
Consumer Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	109
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,703
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,269
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,608
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,926
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,449
Financing Receivable, Revolving	251
Loans held for investment	10,315	10,454
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	652,052
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	897,407
Financing Receivable, Originated Two Years before Latest Fiscal Year	452,792
Financing Receivable, Originated Three Years before Latest Fiscal Year	440,362
Financing Receivable, Originated Four Years before Latest Fiscal Year	227,616
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	117,296
Financing Receivable, Revolving	306,104
Loans held for investment	3,093,629	2,872,384
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	651,943
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	895,704
Financing Receivable, Originated Two Years before Latest Fiscal Year	451,523
Financing Receivable, Originated Three Years before Latest Fiscal Year	437,761
Financing Receivable, Originated Four Years before Latest Fiscal Year	225,738
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	114,884
Financing Receivable, Revolving	305,965
Loans held for investment	3,083,518	2,862,063
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	109
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,703
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,269
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,601
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,878
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,412
Financing Receivable, Revolving	139
Loans held for investment	10,111	10,321
Consumer Portfolio Segment [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	348
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	306
Financing Receivable, Originated Two Years before Latest Fiscal Year	489
Financing Receivable, Originated Three Years before Latest Fiscal Year	451
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,446
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,054
Financing Receivable, Revolving	3,126
Loans held for investment	13,220	15,660
Consumer Portfolio Segment [Member] \| Florida region [Member} \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	348
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	306
Financing Receivable, Originated Two Years before Latest Fiscal Year	489
Financing Receivable, Originated Three Years before Latest Fiscal Year	444
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,398
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,017
Financing Receivable, Revolving	3,014
Loans held for investment	13,016	15,527
Consumer Portfolio Segment [Member] \| Florida region [Member} \| Nonperforming Financial Instruments [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	7
Financing Receivable, Originated Four Years before Latest Fiscal Year	48
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	37
Financing Receivable, Revolving	112
Loans held for investment	204	133
Consumer Portfolio Segment [Member] \| Auto loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	379,330
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	580,532
Financing Receivable, Originated Two Years before Latest Fiscal Year	299,649
Financing Receivable, Originated Three Years before Latest Fiscal Year	252,753
Financing Receivable, Originated Four Years before Latest Fiscal Year	130,953
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	67,012
Financing Receivable, Revolving	0
Loans held for investment	1,710,229	1,571,540
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	379,265
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	579,362
Financing Receivable, Originated Two Years before Latest Fiscal Year	298,766
Financing Receivable, Originated Three Years before Latest Fiscal Year	250,936
Financing Receivable, Originated Four Years before Latest Fiscal Year	129,490
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	65,494
Financing Receivable, Revolving	0
Loans held for investment	1,703,313	1,564,856
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	65
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,170
Financing Receivable, Originated Two Years before Latest Fiscal Year	883
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,817
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,463
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,518
Financing Receivable, Revolving	0
Loans held for investment	6,916	6,684
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	379,330
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	580,532
Financing Receivable, Originated Two Years before Latest Fiscal Year	299,649
Financing Receivable, Originated Three Years before Latest Fiscal Year	252,302
Financing Receivable, Originated Four Years before Latest Fiscal Year	127,547
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	65,013
Financing Receivable, Revolving	0
Loans held for investment	1,704,373	1,562,781
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	379,265
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	579,362
Financing Receivable, Originated Two Years before Latest Fiscal Year	298,766
Financing Receivable, Originated Three Years before Latest Fiscal Year	250,492
Financing Receivable, Originated Four Years before Latest Fiscal Year	126,132
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	63,509
Financing Receivable, Revolving	0
Loans held for investment	1,697,526	1,556,097
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	65
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,170
Financing Receivable, Originated Two Years before Latest Fiscal Year	883
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,810
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,415
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,504
Financing Receivable, Revolving	0
Loans held for investment	6,847	6,684
Consumer Portfolio Segment [Member] \| Auto loans [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	451
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,406
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,999
Financing Receivable, Revolving	0
Loans held for investment	5,856	8,759
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Florida region [Member} \| Performing Financial Instruments [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	444
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,358
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,985
Financing Receivable, Revolving	0
Loans held for investment	5,787	8,759
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Florida region [Member} \| Nonperforming Financial Instruments [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	7
Financing Receivable, Originated Four Years before Latest Fiscal Year	48
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	14
Financing Receivable, Revolving	0
Loans held for investment	69	0
Consumer Portfolio Segment [Member] \| Finance Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	140,447
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	210,486
Financing Receivable, Originated Two Years before Latest Fiscal Year	100,876
Financing Receivable, Originated Three Years before Latest Fiscal Year	97,039
Financing Receivable, Originated Four Years before Latest Fiscal Year	61,190
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,743
Financing Receivable, Revolving	0
Loans held for investment	633,781	575,005
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	140,447
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	210,366
Financing Receivable, Originated Two Years before Latest Fiscal Year	100,710
Financing Receivable, Originated Three Years before Latest Fiscal Year	96,801
Financing Receivable, Originated Four Years before Latest Fiscal Year	60,908
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,502
Financing Receivable, Revolving	0
Loans held for investment	632,734	574,139
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Nonperforming Financial Instruments [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	120
Financing Receivable, Originated Two Years before Latest Fiscal Year	166
Financing Receivable, Originated Three Years before Latest Fiscal Year	238
Financing Receivable, Originated Four Years before Latest Fiscal Year	282
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	241
Financing Receivable, Revolving	0
Loans held for investment	1,047	866
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	140,447
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	210,486
Financing Receivable, Originated Two Years before Latest Fiscal Year	100,876
Financing Receivable, Originated Three Years before Latest Fiscal Year	97,039
Financing Receivable, Originated Four Years before Latest Fiscal Year	61,190
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,743
Financing Receivable, Revolving	0
Loans held for investment	633,781	575,005
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	140,447
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	210,366
Financing Receivable, Originated Two Years before Latest Fiscal Year	100,710
Financing Receivable, Originated Three Years before Latest Fiscal Year	96,801
Financing Receivable, Originated Four Years before Latest Fiscal Year	60,908
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23,502
Financing Receivable, Revolving	0
Loans held for investment	632,734	574,139
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Nonperforming Financial Instruments [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	120
Financing Receivable, Originated Two Years before Latest Fiscal Year	166
Financing Receivable, Originated Three Years before Latest Fiscal Year	238
Financing Receivable, Originated Four Years before Latest Fiscal Year	282
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	241
Financing Receivable, Revolving	0
Loans held for investment	1,047	866
Consumer Portfolio Segment [Member] \| Finance Leases [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
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Florida region [Member} \| Performing Financial Instruments [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
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Florida region [Member} \| Nonperforming Financial Instruments [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
Consumer Portfolio Segment [Member] \| Personal Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	88,097
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71,217
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,607
Financing Receivable, Originated Three Years before Latest Fiscal Year	73,164
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,754
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,307
Financing Receivable, Revolving	0
Loans held for investment	327,146	316,182
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	88,091
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71,060
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,500
Financing Receivable, Originated Three Years before Latest Fiscal Year	72,802
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,609
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,191
Financing Receivable, Revolving	0
Loans held for investment	326,253	314,974
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	157
Financing Receivable, Originated Two Years before Latest Fiscal Year	107
Financing Receivable, Originated Three Years before Latest Fiscal Year	362
Financing Receivable, Originated Four Years before Latest Fiscal Year	145
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	116
Financing Receivable, Revolving	0
Loans held for investment	893	1,208
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	87,799
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71,145
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,591
Financing Receivable, Originated Three Years before Latest Fiscal Year	73,164
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,754
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,307
Financing Receivable, Revolving	0
Loans held for investment	326,760	316,075
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	87,793
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	70,988
Financing Receivable, Originated Two Years before Latest Fiscal Year	39,484
Financing Receivable, Originated Three Years before Latest Fiscal Year	72,802
Financing Receivable, Originated Four Years before Latest Fiscal Year	32,609
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	22,191
Financing Receivable, Revolving	0
Loans held for investment	325,867	314,867
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	6
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	157
Financing Receivable, Originated Two Years before Latest Fiscal Year	107
Financing Receivable, Originated Three Years before Latest Fiscal Year	362
Financing Receivable, Originated Four Years before Latest Fiscal Year	145
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	116
Financing Receivable, Revolving	0
Loans held for investment	893	1,208
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	298
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	72
Financing Receivable, Originated Two Years before Latest Fiscal Year	16
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	386	107
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Florida region [Member} \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	298
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	72
Financing Receivable, Originated Two Years before Latest Fiscal Year	16
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	386	107
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Florida region [Member} \| Nonperforming Financial Instruments [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
Consumer Portfolio Segment [Member] \| Credit Card Receivables [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	297,289
Loans held for investment	297,289	290,226
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Performing Financial Instruments [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	297,289
Loans held for investment	297,289	290,226
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Nonperforming Financial Instruments [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
Consumer Portfolio Segment [Member] \| Credit Card Receivables [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	297,289
Loans held for investment	297,289	290,226
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [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	297,289
Loans held for investment	297,289	290,226
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Nonperforming Financial Instruments [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
Consumer Portfolio Segment [Member] \| Credit Card Receivables [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
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Florida region [Member} \| Performing Financial Instruments [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
Consumer Portfolio Segment [Member] \| Credit Card Receivables [Member] \| Florida region [Member} \| Nonperforming Financial Instruments [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
Consumer Portfolio Segment [Member] \| Other Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	44,526
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,478
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,149
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,857
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,165
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,288
Financing Receivable, Revolving	11,941
Loans held for investment	138,404	135,091
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	44,488
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,222
Financing Receivable, Originated Two Years before Latest Fiscal Year	13,036
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,666
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,129
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,714
Financing Receivable, Revolving	11,690
Loans held for investment	136,945	133,395
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	38
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	256
Financing Receivable, Originated Two Years before Latest Fiscal Year	113
Financing Receivable, Originated Three Years before Latest Fiscal Year	191
Financing Receivable, Originated Four Years before Latest Fiscal Year	36
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	574
Financing Receivable, Revolving	251
Loans held for investment	1,459	1,696
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	44,476
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	35,244
Financing Receivable, Originated Two Years before Latest Fiscal Year	12,676
Financing Receivable, Originated Three Years before Latest Fiscal Year	17,857
Financing Receivable, Originated Four Years before Latest Fiscal Year	6,125
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,233
Financing Receivable, Revolving	8,815
Loans held for investment	131,426	128,297
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]

LOANS HELD FOR INVESTMENT - Corporation's Consumer Loans by Origination Year Based on Accrual Status (Detail) - USD ($)
$ in Thousands

Jun. 30, 2022

Dec. 31, 2021

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

$ 11,206,874

$ 11,060,658

Puerto Rico and Virgin Islands regions [Member]

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

9,217,727

9,113,918