LOANS HELD FOR INVESTMENT - Corporation's Consumer Loans by Origination Year Based on Accrual Status (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 11,097,705	$ 11,060,658
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	9,155,295	9,113,918
Puerto Rico and Virgin Islands regions [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment		117,500
Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,942,410	1,946,740
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	314,157
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	961,363
Financing Receivable, Originated Two Years before Latest Fiscal Year	495,824
Financing Receivable, Originated Three Years before Latest Fiscal Year	490,341
Financing Receivable, Originated Four Years before Latest Fiscal Year	262,083
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	152,715
Financing Receivable, Revolving	299,657
Loans held for investment	2,976,140	2,888,044
Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	314,157
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	959,667
Financing Receivable, Originated Two Years before Latest Fiscal Year	494,523
Financing Receivable, Originated Three Years before Latest Fiscal Year	487,541
Financing Receivable, Originated Four Years before Latest Fiscal Year	260,243
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	149,647
Financing Receivable, Revolving	299,398
Loans held for investment	2,965,176	2,877,590
Consumer Portfolio Segment [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	1,696
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,301
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,800
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,840
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,068
Financing Receivable, Revolving	259
Loans held for investment	10,964	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	313,846
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	961,056
Financing Receivable, Originated Two Years before Latest Fiscal Year	495,326
Financing Receivable, Originated Three Years before Latest Fiscal Year	489,793
Financing Receivable, Originated Four Years before Latest Fiscal Year	258,104
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	146,870
Financing Receivable, Revolving	297,004
Loans held for investment	2,961,999	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	313,846
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	959,360
Financing Receivable, Originated Two Years before Latest Fiscal Year	494,025
Financing Receivable, Originated Three Years before Latest Fiscal Year	486,995
Financing Receivable, Originated Four Years before Latest Fiscal Year	256,279
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	143,830
Financing Receivable, Revolving	296,853
Loans held for investment	2,951,188	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,696
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,301
Financing Receivable, Originated Three Years before Latest Fiscal Year	2,798
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,825
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	3,040
Financing Receivable, Revolving	151
Loans held for investment	10,811	10,321
Consumer Portfolio Segment [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	311
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	307
Financing Receivable, Originated Two Years before Latest Fiscal Year	498
Financing Receivable, Originated Three Years before Latest Fiscal Year	548
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,979
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,845
Financing Receivable, Revolving	2,653
Loans held for investment	14,141	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	311
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	307
Financing Receivable, Originated Two Years before Latest Fiscal Year	498
Financing Receivable, Originated Three Years before Latest Fiscal Year	546
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,964
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5,817
Financing Receivable, Revolving	2,545
Loans held for investment	13,988	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	2
Financing Receivable, Originated Four Years before Latest Fiscal Year	15
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28
Financing Receivable, Revolving	108
Loans held for investment	153	133
Consumer Portfolio Segment [Member] \| Auto loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	189,161
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	615,010
Financing Receivable, Originated Two Years before Latest Fiscal Year	325,273
Financing Receivable, Originated Three Years before Latest Fiscal Year	277,263
Financing Receivable, Originated Four Years before Latest Fiscal Year	147,158
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	82,850
Financing Receivable, Revolving	0
Loans held for investment	1,636,715	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	189,161
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	613,735
Financing Receivable, Originated Two Years before Latest Fiscal Year	324,347
Financing Receivable, Originated Three Years before Latest Fiscal Year	275,441
Financing Receivable, Originated Four Years before Latest Fiscal Year	145,720
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	81,077
Financing Receivable, Revolving	0
Loans held for investment	1,629,481	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,275
Financing Receivable, Originated Two Years before Latest Fiscal Year	926
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,822
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,438
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,773
Financing Receivable, Revolving	0
Loans held for investment	7,234	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	189,161
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	615,010
Financing Receivable, Originated Two Years before Latest Fiscal Year	325,273
Financing Receivable, Originated Three Years before Latest Fiscal Year	276,723
Financing Receivable, Originated Four Years before Latest Fiscal Year	143,219
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	80,263
Financing Receivable, Revolving	0
Loans held for investment	1,629,649	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	189,161
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	613,735
Financing Receivable, Originated Two Years before Latest Fiscal Year	324,347
Financing Receivable, Originated Three Years before Latest Fiscal Year	274,903
Financing Receivable, Originated Four Years before Latest Fiscal Year	141,796
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	78,495
Financing Receivable, Revolving	0
Loans held for investment	1,622,437	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,275
Financing Receivable, Originated Two Years before Latest Fiscal Year	926
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,820
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,423
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,768
Financing Receivable, Revolving	0
Loans held for investment	7,212	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	540
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,939
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,587
Financing Receivable, Revolving	0
Loans held for investment	7,066	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	538
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,924
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,582
Financing Receivable, Revolving	0
Loans held for investment	7,044	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	2
Financing Receivable, Originated Four Years before Latest Fiscal Year	15
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	5
Financing Receivable, Revolving	0
Loans held for investment	22	0
Consumer Portfolio Segment [Member] \| Finance Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	72,035
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	220,626
Financing Receivable, Originated Two Years before Latest Fiscal Year	108,501
Financing Receivable, Originated Three Years before Latest Fiscal Year	106,382
Financing Receivable, Originated Four Years before Latest Fiscal Year	68,444
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,278
Financing Receivable, Revolving	0
Loans held for investment	606,266	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	72,035
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	220,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	108,440
Financing Receivable, Originated Three Years before Latest Fiscal Year	105,971
Financing Receivable, Originated Four Years before Latest Fiscal Year	68,243
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,007
Financing Receivable, Revolving	0
Loans held for investment	605,306	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	16
Financing Receivable, Originated Two Years before Latest Fiscal Year	61
Financing Receivable, Originated Three Years before Latest Fiscal Year	411
Financing Receivable, Originated Four Years before Latest Fiscal Year	201
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	271
Financing Receivable, Revolving	0
Loans held for investment	960	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	72,035
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	220,626
Financing Receivable, Originated Two Years before Latest Fiscal Year	108,501
Financing Receivable, Originated Three Years before Latest Fiscal Year	106,382
Financing Receivable, Originated Four Years before Latest Fiscal Year	68,444
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,278
Financing Receivable, Revolving	0
Loans held for investment	606,266	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	72,035
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	220,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	108,440
Financing Receivable, Originated Three Years before Latest Fiscal Year	105,971
Financing Receivable, Originated Four Years before Latest Fiscal Year	68,243
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,007
Financing Receivable, Revolving	0
Loans held for investment	605,306	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	16
Financing Receivable, Originated Two Years before Latest Fiscal Year	61
Financing Receivable, Originated Three Years before Latest Fiscal Year	411
Financing Receivable, Originated Four Years before Latest Fiscal Year	201
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	271
Financing Receivable, Revolving	0
Loans held for investment	960	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	32,120
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,913
Financing Receivable, Originated Two Years before Latest Fiscal Year	46,332
Financing Receivable, Originated Three Years before Latest Fiscal Year	85,406
Financing Receivable, Originated Four Years before Latest Fiscal Year	39,113
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28,173
Financing Receivable, Revolving	0
Loans held for investment	310,057	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	32,120
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,786
Financing Receivable, Originated Two Years before Latest Fiscal Year	46,105
Financing Receivable, Originated Three Years before Latest Fiscal Year	85,014
Financing Receivable, Originated Four Years before Latest Fiscal Year	38,945
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	27,947
Financing Receivable, Revolving	0
Loans held for investment	308,917	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	127
Financing Receivable, Originated Two Years before Latest Fiscal Year	227
Financing Receivable, Originated Three Years before Latest Fiscal Year	392
Financing Receivable, Originated Four Years before Latest Fiscal Year	168
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	226
Financing Receivable, Revolving	0
Loans held for investment	1,140	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	31,809
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,842
Financing Receivable, Originated Two Years before Latest Fiscal Year	46,312
Financing Receivable, Originated Three Years before Latest Fiscal Year	85,398
Financing Receivable, Originated Four Years before Latest Fiscal Year	39,113
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	28,173
Financing Receivable, Revolving	0
Loans held for investment	309,647	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	31,809
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	78,715
Financing Receivable, Originated Two Years before Latest Fiscal Year	46,085
Financing Receivable, Originated Three Years before Latest Fiscal Year	85,006
Financing Receivable, Originated Four Years before Latest Fiscal Year	38,945
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	27,947
Financing Receivable, Revolving	0
Loans held for investment	308,507	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	127
Financing Receivable, Originated Two Years before Latest Fiscal Year	227
Financing Receivable, Originated Three Years before Latest Fiscal Year	392
Financing Receivable, Originated Four Years before Latest Fiscal Year	168
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	226
Financing Receivable, Revolving	0
Loans held for investment	1,140	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	311
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71
Financing Receivable, Originated Two Years before Latest Fiscal Year	20
Financing Receivable, Originated Three Years before Latest Fiscal Year	8
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	410	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	311
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	71
Financing Receivable, Originated Two Years before Latest Fiscal Year	20
Financing Receivable, Originated Three Years before Latest Fiscal Year	8
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	410	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	288,392
Loans held for investment	288,392	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	288,392
Loans held for investment	288,392	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	288,392
Loans held for investment	288,392	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	288,392
Loans held for investment	288,392	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	20,841
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	46,814
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,718
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,290
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,368
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,414
Financing Receivable, Revolving	11,265
Loans held for investment	134,710	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	20,841
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	46,536
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,631
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,115
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,335
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	10,616
Financing Receivable, Revolving	11,006
Loans held for investment	133,080	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	0
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	278
Financing Receivable, Originated Two Years before Latest Fiscal Year	87
Financing Receivable, Originated Three Years before Latest Fiscal Year	175
Financing Receivable, Originated Four Years before Latest Fiscal Year	33
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	798
Financing Receivable, Revolving	259
Loans held for investment	1,630	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	20,841
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	46,578
Financing Receivable, Originated Two Years before Latest Fiscal Year	15,240
Financing Receivable, Originated Three Years before Latest Fiscal Year	21,290
Financing Receivable, Originated Four Years before Latest Fiscal Year	7,328
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	8,156
Financing Receivable, Revolving	8,612

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

Mar. 31, 2022

Dec. 31, 2021

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

$ 11,097,705

$ 11,060,658

Puerto Rico and Virgin Islands regions [Member]

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

9,155,295

9,113,918