Credit quality indicators of non-covered loans held-in-portfolio based obligor risk ratings (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014		Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	$ 21,611,777	[1]	$ 21,611,866	[1]
Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,174,906		1,175,937
Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,013,789		2,970,505
Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,109,840		2,166,545
Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,716,186		3,724,197
Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,014,721		10,037,184
Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	176,766		206,084
Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,669,376		6,681,476
Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	197,164	[2]	211,135	[2]
Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	546,880		543,761
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,006,870		3,932,226
Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,163,617		1,185,272
Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	466,783		478,211
Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,424,161		1,349,119
Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	735,976		699,980
Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	216,333		219,644
Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,358,975		1,431,266
Watch [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	76,560		75,958
Watch [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	282,329		305,941
Watch [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	260,496		288,220
Watch [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	722,076		739,304
Watch [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,341,461		1,409,423
Watch [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,929		6,895
Watch [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	14,585		14,948
Watch [Member] | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Watch [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	606,564		569,572
Special Mention Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	12,220		15,912
Special Mention Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	226,291		185,631
Special Mention Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	149,431		150,422
Special Mention Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	206,401		204,226
Special Mention Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	594,343		556,191
Special Mention Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,906		1,788
Special Mention Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,315		11,593
Special Mention Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Special Mention Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Substandard Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,233,436		1,316,737
Substandard Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	59,966		64,689
Substandard Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	253,727		275,436
Substandard Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	368,067		381,073
Substandard Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	245,027		260,838
Substandard Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	926,787		982,036
Substandard Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	13,337		46,607
Substandard Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	207,653		195,531
Substandard Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	37,871		42,622
Substandard Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,908		3,495
Substandard Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	44,880		46,446
Substandard Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	22,428		21,530
Substandard Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,586		3,982
Substandard Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,995		8,488
Substandard Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,705		10,407
Substandard Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,166		2,039
Doubtful Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,319		2,318
Doubtful Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	69		68
Doubtful Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	69		68
Doubtful Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,250		2,250
Doubtful Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Doubtful Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,520		12,698
Unlikely To Be Collected Financing Receivable Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	99		112
Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	344		446
Unlikely To Be Collected Financing Receivable Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	443		558
Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	142		0
Unlikely To Be Collected Financing Receivable Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	9,935		12,140
Unlikely To Be Collected Financing Receivable Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
Unlikely To Be Collected Financing Receivable Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	7,530		7,741
Unlikely To Be Collected Financing Receivable Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	764		710
Unlikely To Be Collected Financing Receivable Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	184		157
Unlikely To Be Collected Financing Receivable Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,457		3,532
Pass Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	18,399,963		18,279,275
Pass Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,026,160		1,019,378
Pass Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,251,343		2,203,385
Pass Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,331,846		1,346,830
Pass Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,542,269		2,519,315
Pass Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	7,151,618		7,088,908
Pass Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	156,344		148,544
Pass Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,461,723		6,485,945
Pass Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	134,393		141,972
Pass Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	543,830		540,266
Pass Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,952,055		3,873,640
Pass Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,141,189		1,163,742
Pass Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	456,667		466,488
Pass Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,416,402		1,339,921
Pass Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	725,087		689,416
Pass Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	212,710		214,073
Classified Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,211,814		3,332,591
Classified Loans [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	148,746		156,559
Classified Loans [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	762,446		767,120
Classified Loans [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	777,994		819,715
Classified Loans [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,173,917		1,204,882
Classified Loans [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,863,103		2,948,276
Classified Loans [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	20,422		57,540
Classified Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	207,653		195,531
Classified Loans [Member] | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	62,771		69,163
Classified Loans [Member] | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,050		3,495
Classified Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	54,815		58,586
Classified Loans [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	22,428		21,530
Classified Loans [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,116		11,723
Classified Loans [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	7,759		9,198
Classified Loans [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,889		10,564
Classified Loans [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,623		5,571
PUERTO RICO
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	15,962,919	[3]	15,887,839	[3]
PUERTO RICO | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	73,292	[3]	82,403	[3]
PUERTO RICO | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,929,685	[3]	1,864,218	[3]
PUERTO RICO | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,568,105	[3]	1,606,503	[3]
PUERTO RICO | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,871,916	[3]	2,912,466	[3]
PUERTO RICO | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,442,998	[3]	6,465,590	[3]
PUERTO RICO | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	141,603	[3]	161,171	[3]
PUERTO RICO | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,424,861	[3]	5,400,679	[3]
PUERTO RICO | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	546,880	[3]	543,761	[3]
PUERTO RICO | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,406,577	[3]	3,316,638	[3]
PUERTO RICO | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,148,550	[3]	1,169,621	[3]
PUERTO RICO | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	14,530	[3]	15,178	[3]
PUERTO RICO | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,292,612	[3]	1,213,884	[3]
PUERTO RICO | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	735,560	[3]	699,491	[3]
PUERTO RICO | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	215,325	[3]	218,464	[3]
PUERTO RICO | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,117,269	[3]	1,199,571	[3]
PUERTO RICO | Watch [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,837	[3]	2,477	[3]
PUERTO RICO | Watch [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	207,030	[3]	230,847	[3]
PUERTO RICO | Watch [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	198,605	[3]	231,705	[3]
PUERTO RICO | Watch [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	706,868	[3]	727,647	[3]
PUERTO RICO | Watch [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,114,340	[3]	1,192,676	[3]
PUERTO RICO | Watch [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,929	[3]	6,895	[3]
PUERTO RICO | Watch [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Watch [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	525,088	[3]	489,411	[3]
PUERTO RICO | Special Mention Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,649	[3]	4,453	[3]
PUERTO RICO | Special Mention Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	193,584	[3]	156,189	[3]
PUERTO RICO | Special Mention Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	131,359	[3]	134,577	[3]
PUERTO RICO | Special Mention Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	193,590	[3]	192,404	[3]
PUERTO RICO | Special Mention Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	523,182	[3]	487,623	[3]
PUERTO RICO | Special Mention Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,906	[3]	1,788	[3]
PUERTO RICO | Special Mention Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Special Mention Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Substandard Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	851,845	[3]	877,948	[3]
PUERTO RICO | Substandard Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,919	[3]	2,343	[3]
Weighted average obligor risk rating	11.74	[3]	11.33	[3]
PUERTO RICO | Substandard Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	96,775	[3]	115,435	[3]
Weighted average obligor risk rating	11.48	[3]	11.38	[3]
PUERTO RICO | Substandard Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	304,303	[3]	305,565	[3]
Weighted average obligor risk rating	11.36	[3]	11.31	[3]
PUERTO RICO | Substandard Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	201,593	[3]	214,531	[3]
Weighted average obligor risk rating	11.42	[3]	11.34	[3]
PUERTO RICO | Substandard Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	608,590	[3]	637,874	[3]
Weighted average obligor risk rating	11.40	[3]	11.33	[3]
PUERTO RICO | Substandard Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	12,666	[3]	25,722	[3]
Weighted average obligor risk rating	11.75	[3]	11.63	[3]
PUERTO RICO | Substandard Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	185,433	[3]	169,239	[3]
PUERTO RICO | Substandard Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,908	[3]	3,495	[3]
PUERTO RICO | Substandard Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	42,248	[3]	41,618	[3]
PUERTO RICO | Substandard Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	21,954	[3]	21,044	[3]
PUERTO RICO | Substandard Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	586	[3]	665	[3]
PUERTO RICO | Substandard Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,837	[3]	7,483	[3]
PUERTO RICO | Substandard Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,705	[3]	10,407	[3]
PUERTO RICO | Substandard Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,166	[3]	2,019	[3]
PUERTO RICO | Doubtful Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,319	[3]	2,318	[3]
PUERTO RICO | Doubtful Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	69	[3]	68	[3]
PUERTO RICO | Doubtful Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	69	[3]	68	[3]
PUERTO RICO | Doubtful Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,250	[3]	2,250	[3]
PUERTO RICO | Doubtful Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Doubtful Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,877	[3]	6,811	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	99	[3]	112	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	344	[3]	446	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	443	[3]	558	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	142	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,292	[3]	6,253	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0	[3]	0	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,554	[3]	2,426	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	99	[3]	141	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	182	[3]	155	[3]
PUERTO RICO | Unlikely To Be Collected Financing Receivable Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,457	[3]	3,531	[3]
PUERTO RICO | Pass Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	13,461,521	[3]	13,311,780	[3]
PUERTO RICO | Pass Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	60,887	[3]	73,130	[3]
Weighted average obligor risk rating	5.41	[3]	5.31	[3]
PUERTO RICO | Pass Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,432,197	[3]	1,361,635	[3]
Weighted average obligor risk rating	6.66	[3]	6.73	[3]
PUERTO RICO | Pass Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	933,838	[3]	934,656	[3]
Weighted average obligor risk rating	6.86	[3]	6.89	[3]
PUERTO RICO | Pass Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,769,452	[3]	1,777,370	[3]
Weighted average obligor risk rating	6.64	[3]	6.63	[3]
PUERTO RICO | Pass Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,196,374	[3]	4,146,791	[3]
Weighted average obligor risk rating	6.69	[3]	6.71	[3]
PUERTO RICO | Pass Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	121,852	[3]	124,516	[3]
Weighted average obligor risk rating	7.80	[3]	7.86	[3]
PUERTO RICO | Pass Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,239,428	[3]	5,231,440	[3]
PUERTO RICO | Pass Member | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	543,830	[3]	540,266	[3]
PUERTO RICO | Pass Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,360,037	[3]	3,268,767	[3]
PUERTO RICO | Pass Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,126,596	[3]	1,148,577	[3]
PUERTO RICO | Pass Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	11,390	[3]	12,087	[3]
PUERTO RICO | Pass Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,285,676	[3]	1,206,260	[3]
PUERTO RICO | Pass Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	724,673	[3]	688,929	[3]
PUERTO RICO | Pass Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	211,702	[3]	212,914	[3]
PUERTO RICO | Classified Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,501,398	[3]	2,576,059	[3]
PUERTO RICO | Classified Loans [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	12,405	[3]	9,273	[3]
PUERTO RICO | Classified Loans [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	497,488	[3]	502,583	[3]
PUERTO RICO | Classified Loans [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	634,267	[3]	671,847	[3]
PUERTO RICO | Classified Loans [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,102,464	[3]	1,135,096	[3]
PUERTO RICO | Classified Loans [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,246,624	[3]	2,318,799	[3]
PUERTO RICO | Classified Loans [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	19,751	[3]	36,655	[3]
PUERTO RICO | Classified Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	185,433	[3]	169,239	[3]
PUERTO RICO | Classified Loans [Member] | Finance Leases Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,050	[3]	3,495	[3]
PUERTO RICO | Classified Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	46,540	[3]	47,871	[3]
PUERTO RICO | Classified Loans [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	21,954	[3]	21,044	[3]
PUERTO RICO | Classified Loans [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,140	[3]	3,091	[3]
PUERTO RICO | Classified Loans [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,936	[3]	7,624	[3]
PUERTO RICO | Classified Loans [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,887	[3]	10,562	[3]
PUERTO RICO | Classified Loans [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,623	[3]	5,550	[3]
UNITED STATES
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,648,858		5,724,027
UNITED STATES | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,101,614		1,093,534
UNITED STATES | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,084,104		1,106,287
UNITED STATES | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	541,735		560,042
UNITED STATES | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	844,270		811,731
UNITED STATES | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	3,571,723		3,571,594
UNITED STATES | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	35,163		44,913
UNITED STATES | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,244,515		1,280,797
UNITED STATES | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	197,164		211,135
UNITED STATES | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	600,293		615,588
UNITED STATES | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	15,067		15,651
UNITED STATES | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	452,253		463,033
UNITED STATES | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	131,549		135,235
UNITED STATES | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	416		489
UNITED STATES | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,008		1,180
UNITED STATES | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	241,706		231,695
UNITED STATES | Watch [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	74,723		73,481
UNITED STATES | Watch [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	75,299		75,094
UNITED STATES | Watch [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	61,891		56,515
UNITED STATES | Watch [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	15,208		11,657
UNITED STATES | Watch [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	227,121		216,747
UNITED STATES | Watch [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	14,585		14,948
UNITED STATES | Watch [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Watch [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	81,476		80,161
UNITED STATES | Special Mention Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	7,571		11,459
UNITED STATES | Special Mention Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	32,707		29,442
UNITED STATES | Special Mention Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	18,072		15,845
UNITED STATES | Special Mention Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	12,811		11,822
UNITED STATES | Special Mention Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	71,161		68,568
UNITED STATES | Special Mention Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	10,315		11,593
UNITED STATES | Special Mention Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Special Mention Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Substandard Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	381,591		438,789
UNITED STATES | Substandard Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	54,047		62,346
Weighted average obligor risk rating	11.18		11.34
UNITED STATES | Substandard Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	156,952		160,001
Weighted average obligor risk rating	11.17		11.27
UNITED STATES | Substandard Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	63,764		75,508
Weighted average obligor risk rating	11.29		11.31
UNITED STATES | Substandard Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	43,434		46,307
Weighted average obligor risk rating	11.12		11.09
UNITED STATES | Substandard Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	318,197		344,162
Weighted average obligor risk rating	11.19		11.27
UNITED STATES | Substandard Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	671		20,885
Weighted average obligor risk rating	11.00		11.27
UNITED STATES | Substandard Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	22,220		26,292
UNITED STATES | Substandard Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	37,871		42,622
Weighted average obligor risk rating	11.22		11.24
UNITED STATES | Substandard Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,632		4,828
UNITED STATES | Substandard Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	474		486
UNITED STATES | Substandard Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,000		3,317
UNITED STATES | Substandard Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	158		1,005
UNITED STATES | Substandard Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Substandard Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		20
UNITED STATES | Doubtful Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Doubtful Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,643		5,887
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	5,643		5,887
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		0
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,976		5,315
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	665		569
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2		2
UNITED STATES | Unlikely To Be Collected Financing Receivable Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	0		1
UNITED STATES | Pass Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	4,938,442		4,967,495
UNITED STATES | Pass Member | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	965,273		946,248
Weighted average obligor risk rating	7.07		7.08
UNITED STATES | Pass Member | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	819,146		841,750
Weighted average obligor risk rating	6.93		6.89
UNITED STATES | Pass Member | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	398,008		412,174
Weighted average obligor risk rating	7.02		7.04
UNITED STATES | Pass Member | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	772,817		741,945
Weighted average obligor risk rating	6.52		6.53
UNITED STATES | Pass Member | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2,955,244		2,942,117
Weighted average obligor risk rating	6.88		6.89
UNITED STATES | Pass Member | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	34,492		24,028
Weighted average obligor risk rating	7.62		7.64
UNITED STATES | Pass Member | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,222,295		1,254,505
UNITED STATES | Pass Member | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	134,393		141,972
Weighted average obligor risk rating	7.71		7.72
UNITED STATES | Pass Member | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	592,018		604,873
UNITED STATES | Pass Member | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	14,593		15,165
UNITED STATES | Pass Member | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	445,277		454,401
UNITED STATES | Pass Member | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	130,726		133,661
UNITED STATES | Pass Member | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	414		487
UNITED STATES | Pass Member | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	1,008		1,159
UNITED STATES | Classified Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	710,416		756,532
UNITED STATES | Classified Loans [Member] | Commercial Multi Family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	136,341		147,286
UNITED STATES | Classified Loans [Member] | Commercial Real Estate Non Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	264,958		264,537
UNITED STATES | Classified Loans [Member] | Commercial Real Estate Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	143,727		147,868
UNITED STATES | Classified Loans [Member] | Commercial And Industrial Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	71,453		69,786
UNITED STATES | Classified Loans [Member] | Commercial Portfolio Segment Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	616,479		629,477
UNITED STATES | Classified Loans [Member] | Commercial Real Estate Construction Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	671		20,885
UNITED STATES | Classified Loans [Member] | Mortgages [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	22,220		26,292
UNITED STATES | Classified Loans [Member] | Legacy [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	62,771		69,163
UNITED STATES | Classified Loans [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	8,275		10,715
UNITED STATES | Classified Loans [Member] | Consumer Credit Card Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	474		486
UNITED STATES | Classified Loans [Member] | Home Equity Line of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	6,976		8,632
UNITED STATES | Classified Loans [Member] | Personal [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	823		1,574
UNITED STATES | Classified Loans [Member] | Consumer Loans Auto Financing Receivable [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	2		2
UNITED STATES | Classified Loans [Member] | Consumer Other Financing Receivable Member
Financing Receivable, Recorded Investment [Line Items]
Loans held-in-portfolio, net of unearned income	$ 0		$ 21

[1] Non-covered loans held-in-portfolio at March 31, 2014 are net of $91 million in unearned income and exclude $95 million in loans held-for-sale. (December 31, 2013 - $92 million in unearned income and $110 million in loans held-for-sale.)

[2] The legacy portfolio is comprised of commercial loans, construction loans and lease financings related to certain lending products exited by the Corporation as part of restructuring efforts carried out in prior years at the BPNA segment.

[3] Excludes covered loans acquired in the Westernbank FDIC-assisted transaction.