Disclosures related to loans individually evaluated for impairment (Detail) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Impaired [Line Items]
Related Allowance	$ 108,782	$ 119,592
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	344,607	484,570
Impaired Financing Receivable, with Related Allowance, Recorded Investment	643,279	962,376
Recorded Investment	987,886	1,446,946
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	490,220	660,156
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	667,549	1,054,894
Unpaid Principal Balance	1,157,769	1,715,050
Covered Under Loss Sharing Agreements With F D I C [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	2,731	8,505
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,309	44,479
Impaired Financing Receivable, with Related Allowance, Recorded Investment	19,783	64,762
Recorded Investment	25,092	109,241
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,309	44,479
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	19,783	64,762
Unpaid Principal Balance	25,092	109,241
PUERTO RICO
Financing Receivable, Impaired [Line Items]
Related Allowance	90,869	103,365
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	256,201	372,534
Impaired Financing Receivable, with Related Allowance, Recorded Investment	593,469	913,016
Recorded Investment	849,670	1,285,550
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	368,078	508,221
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	613,056	1,004,217
Unpaid Principal Balance	981,134	1,512,438
PUERTO RICO | Covered Under Loss Sharing Agreements With F D I C [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	2,731	8,505
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,309	44,479
Impaired Financing Receivable, with Related Allowance, Recorded Investment	19,783	64,762
Recorded Investment	25,092	109,241
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,309	44,479
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	19,783	64,762
Unpaid Principal Balance	25,092	109,241
Non Covered Loans [Member] | Commercial Multi Family [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	31
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	14,557	19,396
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	1,598
Recorded Investment	14,557	20,994
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	17,962	29,867
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	1,767
Unpaid Principal Balance	17,962	31,634
Non Covered Loans [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,656	1,354
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	65,237	101,135
Impaired Financing Receivable, with Related Allowance, Recorded Investment	24,293	22,332
Recorded Investment	89,530	123,467
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	86,731	127,824
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	24,864	25,671
Unpaid Principal Balance	111,595	153,495
Non Covered Loans [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	5,216	12,614
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	88,865	141,845
Impaired Financing Receivable, with Related Allowance, Recorded Investment	43,887	100,685
Recorded Investment	132,752	242,530
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	128,326	190,607
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	47,750	149,342
Unpaid Principal Balance	176,076	339,949
Non Covered Loans [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,847	3,349
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	66,566	70,457
Impaired Financing Receivable, with Related Allowance, Recorded Investment	31,456	70,216
Recorded Investment	98,022	140,673
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	81,582	107,634
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	31,456	85,508
Unpaid Principal Balance	113,038	193,142
Non Covered Loans [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Impaired [Line Items]
Related Allowance	1,401	120
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	40,795	39,944
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,581	1,865
Recorded Investment	45,376	41,809
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	96,430	76,532
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	6,507	3,931
Unpaid Principal Balance	102,937	80,463
Non Covered Loans [Member] | Mortgages
Financing Receivable, Impaired [Line Items]
Related Allowance	53,278	74,667
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	49,910	48,570
Impaired Financing Receivable, with Related Allowance, Recorded Investment	385,295	562,660
Recorded Investment	435,205	611,230
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	55,476	53,241
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	403,205	585,655
Unpaid Principal Balance	458,681	638,896
Non Covered Loans [Member] | Legacy [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	13,368	18,744
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	13,368	18,744
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	18,404	29,972
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	18,404	29,972
Non Covered Loans [Member] | Finance Leases Portfolio Segment Member
Financing Receivable, Impaired [Line Items]
Related Allowance	1,399	1,066
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,818	4,881
Recorded Investment	3,818	4,881
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	3,818	4,881
Unpaid Principal Balance	3,818	4,881
Non Covered Loans [Member] | PUERTO RICO | Commercial Multi Family [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	6
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	8,392	13,080
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	271
Recorded Investment	8,392	13,351
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	8,392	19,969
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	288
Unpaid Principal Balance	8,392	20,257
Non Covered Loans [Member] | PUERTO RICO | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,656	1,354
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	29,256	55,320
Impaired Financing Receivable, with Related Allowance, Recorded Investment	24,293	22,332
Recorded Investment	53,549	77,652
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	33,139	63,041
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	24,864	25,671
Unpaid Principal Balance	58,003	88,712
Non Covered Loans [Member] | PUERTO RICO | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	5,216	12,614
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	68,241	121,476
Impaired Financing Receivable, with Related Allowance, Recorded Investment	43,887	100,685
Recorded Investment	112,128	222,161
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	101,156	167,639
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	47,750	149,342
Unpaid Principal Balance	148,906	316,981
Non Covered Loans [Member] | PUERTO RICO | Commercial And Industrial Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	6,847	3,349
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	65,652	64,399
Impaired Financing Receivable, with Related Allowance, Recorded Investment	31,456	70,216
Recorded Investment	97,108	134,615
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	80,668	99,608
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	31,456	85,508
Unpaid Principal Balance	112,124	185,116
Non Covered Loans [Member] | PUERTO RICO | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Impaired [Line Items]
Related Allowance	1,401	120
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	34,961	33,984
Impaired Financing Receivable, with Related Allowance, Recorded Investment	4,581	1,865
Recorded Investment	39,542	35,849
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	90,596	70,572
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	6,507	3,931
Unpaid Principal Balance	97,103	74,503
Non Covered Loans [Member] | PUERTO RICO | Mortgages
Financing Receivable, Impaired [Line Items]
Related Allowance	35,715	58,572
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	44,390	39,796
Impaired Financing Receivable, with Related Allowance, Recorded Investment	338,008	517,341
Recorded Investment	382,398	557,137
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	48,818	42,913
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	351,235	539,171
Unpaid Principal Balance	400,053	582,084
Non Covered Loans [Member] | PUERTO RICO | Finance Leases Portfolio Segment Member
Financing Receivable, Impaired [Line Items]
Related Allowance	1,399	1,066
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	3,818	4,881
Recorded Investment	3,818	4,881
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	3,818	4,881
Unpaid Principal Balance	3,818	4,881
Non Covered Loans [Member] | UNITED STATES
Financing Receivable, Impaired [Line Items]
Related Allowance	17,913	16,227
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	88,406	112,036
Impaired Financing Receivable, with Related Allowance, Recorded Investment	49,810	49,360
Recorded Investment	138,216	161,396
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	122,142	151,935
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	54,493	50,677
Unpaid Principal Balance	176,635	202,612
Non Covered Loans [Member] | UNITED STATES | Commercial Multi Family [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	25
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	6,165	6,316
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	1,327
Recorded Investment	6,165	7,643
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	9,570	9,898
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	1,479
Unpaid Principal Balance	9,570	11,377
Non Covered Loans [Member] | UNITED STATES | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	35,981	45,815
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	35,981	45,815
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	53,592	64,783
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	53,592	64,783
Non Covered Loans [Member] | UNITED STATES | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	20,624	20,369
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	20,624	20,369
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	27,170	22,968
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	27,170	22,968
Non Covered Loans [Member] | UNITED STATES | Commercial And Industrial Loans [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	914	6,058
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	914	6,058
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	914	8,026
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	914	8,026
Non Covered Loans [Member] | UNITED STATES | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,834	5,960
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	5,834	5,960
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	5,834	5,960
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	5,834	5,960
Non Covered Loans [Member] | UNITED STATES | Mortgages
Financing Receivable, Impaired [Line Items]
Related Allowance	17,563	16,095
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	5,520	8,774
Impaired Financing Receivable, with Related Allowance, Recorded Investment	47,287	45,319
Recorded Investment	52,807	54,093
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	6,658	10,328
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	51,970	46,484
Unpaid Principal Balance	58,628	56,812
Non Covered Loans [Member] | UNITED STATES | Legacy [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	13,368	18,744
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	13,368	18,744
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	18,404	29,972
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	18,404	29,972
Non Covered Loans [Member] | Consumer Credit Card Financing Receivable [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	8,215	1,666
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	43,889	42,514
Recorded Investment	43,889	42,514
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	43,889	42,514
Unpaid Principal Balance	43,889	42,514
Non Covered Loans [Member] | Consumer Credit Card Financing Receivable [Member] | PUERTO RICO | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	8,215	1,666
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	43,889	42,514
Recorded Investment	43,889	42,514
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	43,889	42,514
Unpaid Principal Balance	43,889	42,514
Non Covered Loans [Member] | Consumer Credit Card Financing Receivable [Member] | UNITED STATES | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	0	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	0	0
Non Covered Loans [Member] | Home Equity Line of Credit [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	11
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	199	201
Recorded Investment	199	201
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	199	201
Unpaid Principal Balance	199	201
Non Covered Loans [Member] | Home Equity Line of Credit [Member] | PUERTO RICO | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	0	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	0	0
Non Covered Loans [Member] | Home Equity Line of Credit [Member] | UNITED STATES | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	11
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	199	201
Recorded Investment	199	201
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	199	201
Unpaid Principal Balance	199	201
Non Covered Loans [Member] | Personal [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	22,474	16,022
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	82,353	86,884
Recorded Investment	82,353	86,884
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	82,353	86,884
Unpaid Principal Balance	82,353	86,884
Non Covered Loans [Member] | Personal [Member] | PUERTO RICO | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	22,474	16,022
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	82,353	86,884
Recorded Investment	82,353	86,884
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	82,353	86,884
Unpaid Principal Balance	82,353	86,884
Non Covered Loans [Member] | Personal [Member] | UNITED STATES | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	0
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	0	0
Recorded Investment	0	0
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	0	0
Unpaid Principal Balance	0	0
Non Covered Loans [Member] | Consumer Loans Auto Financing Receivable [Member] | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	112	81
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	943	863
Recorded Investment	943	863
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	943	863
Unpaid Principal Balance	943	863
Non Covered Loans [Member] | Consumer Loans Auto Financing Receivable [Member] | PUERTO RICO | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	112	79
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	854	772
Recorded Investment	854	772
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	854	772
Unpaid Principal Balance	854	772
Non Covered Loans [Member] | Consumer Loans Auto Financing Receivable [Member] | UNITED STATES | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	0	2
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	89	91
Recorded Investment	89	91
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	89	91
Unpaid Principal Balance	89	91
Non Covered Loans [Member] | Consumer Other Financing Receivable Member | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	453	106
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,782	2,915
Recorded Investment	2,782	2,915
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,782	2,915
Unpaid Principal Balance	2,782	2,915
Non Covered Loans [Member] | Consumer Other Financing Receivable Member | PUERTO RICO | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	103	12
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	547	493
Recorded Investment	547	493
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	547	493
Unpaid Principal Balance	547	493
Non Covered Loans [Member] | Consumer Other Financing Receivable Member | UNITED STATES | Consumer Loan [Member]
Financing Receivable, Impaired [Line Items]
Related Allowance	350	94
Impaired Financing Receivable, Recorded Investment [Abstract]
Impaired Financing Receivable, with No Related Allowance, Recorded Investment	0	0
Impaired Financing Receivable, with Related Allowance, Recorded Investment	2,235	2,422
Recorded Investment	2,235	2,422
Impaired Financing Receivable, Unpaid Principal Balance [Abstract]
Impaired Financing Receivable, with No Related Allowance, Unpaid Principal Balance	0	0
Impaired Financing Receivable, with Related Allowance, Unpaid Principal Balance	2,235	2,422
Unpaid Principal Balance	$ 2,235	$ 2,422