LOANS HELD FOR INVESTMENT - Corporation's Consumer Loans by Origination Year Based on Accrual Status (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	$ 11,060,658	$ 11,777,289
Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	9,113,918	9,788,106
Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Loans held for investment	1,946,740	1,989,183
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,020,924
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	538,412
Financing Receivable, Originated Two Years before Latest Fiscal Year	544,305
Financing Receivable, Originated Three Years before Latest Fiscal Year	295,235
Financing Receivable, Originated Four Years before Latest Fiscal Year	119,041
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	68,176
Financing Receivable, Revolving	301,951
Loans held for investment	2,888,044	2,609,643
Consumer Portfolio Segment [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,019,828
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	537,234
Financing Receivable, Originated Two Years before Latest Fiscal Year	541,696
Financing Receivable, Originated Three Years before Latest Fiscal Year	293,516
Financing Receivable, Originated Four Years before Latest Fiscal Year	117,970
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	65,706
Financing Receivable, Revolving	301,640
Loans held for investment	2,877,590	2,593,384
Consumer Portfolio Segment [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,096
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,178
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,609
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,719
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,071
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,470
Financing Receivable, Revolving	311
Loans held for investment	10,454	16,259
Consumer Portfolio Segment [Member] \| Puerto Rico and Virgin Islands regions [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	1,020,615
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	537,906
Financing Receivable, Originated Two Years before Latest Fiscal Year	543,650
Financing Receivable, Originated Three Years before Latest Fiscal Year	290,447
Financing Receivable, Originated Four Years before Latest Fiscal Year	116,515
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	64,143
Financing Receivable, Revolving	299,108
Loans held for investment	2,872,384	2,582,932
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	1,019,519
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	536,728
Financing Receivable, Originated Two Years before Latest Fiscal Year	541,041
Financing Receivable, Originated Three Years before Latest Fiscal Year	288,728
Financing Receivable, Originated Four Years before Latest Fiscal Year	115,444
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	61,696
Financing Receivable, Revolving	298,907
Loans held for investment	2,862,063	2,567,497
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	1,096
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	1,178
Financing Receivable, Originated Two Years before Latest Fiscal Year	2,609
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,719
Financing Receivable, Originated Four Years before Latest Fiscal Year	1,071
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	2,447
Financing Receivable, Revolving	201
Loans held for investment	10,321	15,435
Consumer Portfolio Segment [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	309
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	506
Financing Receivable, Originated Two Years before Latest Fiscal Year	655
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,788
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,526
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,033
Financing Receivable, Revolving	2,843
Loans held for investment	15,660	26,711
Consumer Portfolio Segment [Member] \| Florida region [Member} \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	309
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	506
Financing Receivable, Originated Two Years before Latest Fiscal Year	655
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,788
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,526
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	4,010
Financing Receivable, Revolving	2,733
Loans held for investment	15,527	25,887
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	0
Financing Receivable, Originated Four Years before Latest Fiscal Year	0
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	23
Financing Receivable, Revolving	110
Loans held for investment	133	824
Consumer Portfolio Segment [Member] \| Auto loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	648,984
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	351,411
Financing Receivable, Originated Two Years before Latest Fiscal Year	304,765
Financing Receivable, Originated Three Years before Latest Fiscal Year	164,944
Financing Receivable, Originated Four Years before Latest Fiscal Year	69,142
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	32,294
Financing Receivable, Revolving	0
Loans held for investment	1,571,540	1,296,424
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	648,111
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	350,581
Financing Receivable, Originated Two Years before Latest Fiscal Year	303,102
Financing Receivable, Originated Three Years before Latest Fiscal Year	163,769
Financing Receivable, Originated Four Years before Latest Fiscal Year	68,291
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	31,002
Financing Receivable, Revolving	0
Loans held for investment	1,564,856	1,287,537
Consumer Portfolio Segment [Member] \| Auto loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	873
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	830
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,663
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,175
Financing Receivable, Originated Four Years before Latest Fiscal Year	851
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,292
Financing Receivable, Revolving	0
Loans held for investment	6,684	8,887
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	648,984
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	351,411
Financing Receivable, Originated Two Years before Latest Fiscal Year	304,123
Financing Receivable, Originated Three Years before Latest Fiscal Year	160,196
Financing Receivable, Originated Four Years before Latest Fiscal Year	66,687
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	31,380
Financing Receivable, Revolving	0
Loans held for investment	1,562,781	1,278,126
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	648,111
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	350,581
Financing Receivable, Originated Two Years before Latest Fiscal Year	302,460
Financing Receivable, Originated Three Years before Latest Fiscal Year	159,021
Financing Receivable, Originated Four Years before Latest Fiscal Year	65,836
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	30,088
Financing Receivable, Revolving	0
Loans held for investment	1,556,097	1,269,462
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	873
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	830
Financing Receivable, Originated Two Years before Latest Fiscal Year	1,663
Financing Receivable, Originated Three Years before Latest Fiscal Year	1,175
Financing Receivable, Originated Four Years before Latest Fiscal Year	851
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	1,292
Financing Receivable, Revolving	0
Loans held for investment	6,684	8,664
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	642
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,748
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,455
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	914
Financing Receivable, Revolving	0
Loans held for investment	8,759	18,298
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	642
Financing Receivable, Originated Three Years before Latest Fiscal Year	4,748
Financing Receivable, Originated Four Years before Latest Fiscal Year	2,455
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	914
Financing Receivable, Revolving	0
Loans held for investment	8,759	18,075
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	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	223
Consumer Portfolio Segment [Member] \| Finance Leases [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	229,456
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	115,029
Financing Receivable, Originated Two Years before Latest Fiscal Year	116,332
Financing Receivable, Originated Three Years before Latest Fiscal Year	76,413
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,579
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,196
Financing Receivable, Revolving	0
Loans held for investment	575,005	472,989
Consumer Portfolio Segment [Member] \| Finance Leases [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	229,456
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	114,945
Financing Receivable, Originated Two Years before Latest Fiscal Year	116,089
Financing Receivable, Originated Three Years before Latest Fiscal Year	76,144
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,516
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,989
Financing Receivable, Revolving	0
Loans held for investment	574,139	471,523
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	84
Financing Receivable, Originated Two Years before Latest Fiscal Year	243
Financing Receivable, Originated Three Years before Latest Fiscal Year	269
Financing Receivable, Originated Four Years before Latest Fiscal Year	63
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	207
Financing Receivable, Revolving	0
Loans held for investment	866	1,466
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	229,456
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	115,029
Financing Receivable, Originated Two Years before Latest Fiscal Year	116,332
Financing Receivable, Originated Three Years before Latest Fiscal Year	76,413
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,579
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	12,196
Financing Receivable, Revolving	0
Loans held for investment	575,005	472,989
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	229,456
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	114,945
Financing Receivable, Originated Two Years before Latest Fiscal Year	116,089
Financing Receivable, Originated Three Years before Latest Fiscal Year	76,144
Financing Receivable, Originated Four Years before Latest Fiscal Year	25,516
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	11,989
Financing Receivable, Revolving	0
Loans held for investment	574,139	471,523
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	84
Financing Receivable, Originated Two Years before Latest Fiscal Year	243
Financing Receivable, Originated Three Years before Latest Fiscal Year	269
Financing Receivable, Originated Four Years before Latest Fiscal Year	63
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	207
Financing Receivable, Revolving	0
Loans held for investment	866	1,466
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	85,715
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	53,251
Financing Receivable, Originated Two Years before Latest Fiscal Year	97,386
Financing Receivable, Originated Three Years before Latest Fiscal Year	45,195
Financing Receivable, Originated Four Years before Latest Fiscal Year	20,895
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,740
Financing Receivable, Revolving	0
Loans held for investment	316,182	372,168
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	85,684
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	53,098
Financing Receivable, Originated Two Years before Latest Fiscal Year	96,903
Financing Receivable, Originated Three Years before Latest Fiscal Year	44,969
Financing Receivable, Originated Four Years before Latest Fiscal Year	20,767
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,553
Financing Receivable, Revolving	0
Loans held for investment	314,974	370,545
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	31
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	153
Financing Receivable, Originated Two Years before Latest Fiscal Year	483
Financing Receivable, Originated Three Years before Latest Fiscal Year	226
Financing Receivable, Originated Four Years before Latest Fiscal Year	128
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	187
Financing Receivable, Revolving	0
Loans held for investment	1,208	1,623
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	85,645
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	53,227
Financing Receivable, Originated Two Years before Latest Fiscal Year	97,373
Financing Receivable, Originated Three Years before Latest Fiscal Year	45,195
Financing Receivable, Originated Four Years before Latest Fiscal Year	20,895
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,740
Financing Receivable, Revolving	0
Loans held for investment	316,075	372,011
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	85,614
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	53,074
Financing Receivable, Originated Two Years before Latest Fiscal Year	96,890
Financing Receivable, Originated Three Years before Latest Fiscal Year	44,969
Financing Receivable, Originated Four Years before Latest Fiscal Year	20,767
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	13,553
Financing Receivable, Revolving	0
Loans held for investment	314,867	370,388
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	31
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	153
Financing Receivable, Originated Two Years before Latest Fiscal Year	483
Financing Receivable, Originated Three Years before Latest Fiscal Year	226
Financing Receivable, Originated Four Years before Latest Fiscal Year	128
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	187
Financing Receivable, Revolving	0
Loans held for investment	1,208	1,623
Consumer Portfolio Segment [Member] \| Personal Loans [Member] \| Florida region [Member}
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	70
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24
Financing Receivable, Originated Two Years before Latest Fiscal Year	13
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	107	157
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	70
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	24
Financing Receivable, Originated Two Years before Latest Fiscal Year	13
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	107	157
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	290,226
Loans held for investment	290,226	319,824
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	290,226
Loans held for investment	290,226	319,824
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	290,226
Loans held for investment	290,226	319,824
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	290,226
Loans held for investment	290,226	319,824
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	56,769
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	18,721
Financing Receivable, Originated Two Years before Latest Fiscal Year	25,822
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,683
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,425
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,946
Financing Receivable, Revolving	11,725
Loans held for investment	135,091	148,238
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Performing Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	56,577
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	18,610
Financing Receivable, Originated Two Years before Latest Fiscal Year	25,602
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,634
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,396
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	9,162
Financing Receivable, Revolving	11,414
Loans held for investment	133,395	143,955
Consumer Portfolio Segment [Member] \| Other Loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Recorded Investment [Line Items]
Financing Receivable, Originated in Current Fiscal Year	192
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	111
Financing Receivable, Originated Two Years before Latest Fiscal Year	220
Financing Receivable, Originated Three Years before Latest Fiscal Year	49
Financing Receivable, Originated Four Years before Latest Fiscal Year	29
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	784
Financing Receivable, Revolving	311
Loans held for investment	1,696	4,283
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	56,530
Financing Receivable, Originated in Fiscal Year before Latest Fiscal Year	18,239
Financing Receivable, Originated Two Years before Latest Fiscal Year	25,822
Financing Receivable, Originated Three Years before Latest Fiscal Year	8,643
Financing Receivable, Originated Four Years before Latest Fiscal Year	3,354
Financing Receivable, Originated Five or More Years before Latest Fiscal Year	6,827
Financing Receivable, Revolving	8,882
Loans held for investment	128,297	139,982
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

Dec. 31, 2021

Dec. 31, 2020

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

$ 11,060,658

$ 11,777,289

Puerto Rico and Virgin Islands regions [Member]

Financing Receivable, Recorded Investment [Line Items]

Loans held for investment

9,113,918

9,788,106