Condensed Consolidating Statement of Condition (Detail) (USD $) In Thousands | Sep. 30, 2011 | Dec. 31, 2010 | Sep. 30, 2010 | Dec. 31, 2009 |
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Assets | | | | |
Cash and due from banks | $ 567,141 | $ 452,373 | $ 580,811 | $ 677,330 |
Money market investments | 1,269,139 | 979,295 | 2,023,949 | |
Trading account securities, at fair value | 272,939 | 546,713 | 483,192 | |
Investment securities available-for-sale, at fair value | 5,226,529 | 5,236,852 | 5,741,483 | |
Investment securities held-to-maturity, at amortized cost | 128,546 | 122,354 | 214,152 | |
Other investment securities, at lower of cost or realizable value | 173,569 | 163,513 | 158,309 | |
Investment in subsidiaries | | 0 | 0 | |
Loans held-for-sale, at lower of cost or fair value | 368,777 | 893,938 | 115,088 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 101,351 | 106,241 | 106,685 | |
Allowance for loan losses | 772,921 | 793,225 | 1,243,994 | |
Total loans held-in-portfolio, net | 24,413,388 | 24,771,692 | 25,850,628 | |
FDIC loss share asset | 1,798,339 | 2,318,183 | 2,324,978 | 0 |
Premises and equipment, net | 536,529 | 545,453 | 531,849 | |
Accrued income receivable | 134,263 | 150,658 | 160,167 | |
Mortgage servicing assets, at fair value | 157,226 | 166,907 | 165,947 | 169,747 |
Other assets | 2,168,529 | 1,449,887 | 1,443,158 | |
Goodwill | 648,353 | 647,387 | 645,944 | 604,349 |
Other intangible assets | 64,212 | 58,696 | 60,438 | |
Total assets | 38,178,603 | 38,722,962 | 40,725,284 | |
Deposits: | | | | |
Non-interest bearing | 5,527,450 | 4,939,321 | 5,371,439 | |
Interest bearing | 22,425,890 | 21,822,879 | 22,368,605 | |
Total deposits | 27,953,340 | 26,762,200 | 27,740,044 | |
Federal funds purchased and assets sold under agreements to repurchase | 2,601,606 | 2,412,550 | 2,358,139 | |
Other short-term borrowings | 166,200 | 364,222 | 191,342 | |
Notes Payable | 2,550,745 | 4,170,183 | 5,145,152 | |
Subordinated notes | 0 | 0 | 0 | |
Other liabilities | 894,111 | 1,213,276 | 1,170,476 | |
Total liabilities | 34,166,002 | 34,922,431 | 36,605,153 | |
Stockholders' equity: | | | | |
Preferred stock | 50,160 | 50,160 | 50,160 | |
Common stock | 10,249 | 10,229 | 10,229 | |
Surplus | 4,099,379 | 4,094,005 | 4,094,302 | |
Accumulated deficit | (201,770) | (347,328) | (119,877) | |
Treasury stock | (992) | (574) | (545) | |
Accumulated other comprehensive (loss) income, net of tax | 55,575 | (5,961) | 85,862 | |
Total stockholders' equity | 4,012,601 | 3,800,531 | 4,120,131 | 2,538,817 |
Total liabilities and stockholders' equity | 38,178,603 | 38,722,962 | 40,725,284 | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | Popular, Inc. Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 264,056 | 476,082 | 590,826 | |
Other real estate | 0 | 0 | 0 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | Popular, Inc. Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 0 | 0 | |
Other real estate | 0 | 0 | 0 | |
Popular, Inc. Holding Co. | | | | |
Assets | | | | |
Cash and due from banks | 1,478 | 1,638 | 1,652 | 1,174 |
Money market investments | 5,922 | 1 | 164,852 | |
Trading account securities, at fair value | 0 | 0 | 0 | |
Investment securities available-for-sale, at fair value | 36,400 | 35,263 | 35,000 | |
Investment securities held-to-maturity, at amortized cost | 197,364 | 210,872 | 210,812 | |
Other investment securities, at lower of cost or realizable value | 10,850 | 10,850 | 10,850 | |
Investment in subsidiaries | 4,088,974 | 3,836,258 | 3,879,282 | |
Loans held-for-sale, at lower of cost or fair value | 0 | 0 | 0 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 0 | 0 | 0 | |
Allowance for loan losses | 8 | 60 | 60 | |
Total loans held-in-portfolio, net | 264,048 | 476,022 | 590,766 | |
FDIC loss share asset | 0 | 0 | 0 | |
Premises and equipment, net | 2,723 | 2,830 | 3,076 | |
Accrued income receivable | 2,196 | 1,510 | 179 | |
Mortgage servicing assets, at fair value | 0 | 0 | 0 | |
Other assets | 219,133 | 246,209 | 208,317 | |
Goodwill | 0 | 0 | 0 | |
Other intangible assets | 554 | 554 | 554 | |
Total assets | 4,829,642 | 4,822,007 | 5,105,340 | |
Deposits: | | | | |
Non-interest bearing | 0 | 0 | 0 | |
Interest bearing | 0 | 0 | 0 | |
Total deposits | 0 | 0 | 0 | |
Federal funds purchased and assets sold under agreements to repurchase | 0 | 0 | 0 | |
Other short-term borrowings | 0 | 0 | 0 | |
Notes Payable | 754,202 | 835,793 | 830,134 | |
Subordinated notes | 0 | 0 | 0 | |
Other liabilities | 62,839 | 185,683 | 155,074 | |
Total liabilities | 817,041 | 1,021,476 | 985,208 | |
Stockholders' equity: | | | | |
Preferred stock | 50,160 | 50,160 | 50,160 | |
Common stock | 10,249 | 10,229 | 10,229 | |
Surplus | 4,090,852 | 4,085,478 | 4,085,775 | |
Accumulated deficit | (193,243) | (338,801) | (111,349) | |
Treasury stock | (992) | (574) | (545) | |
Accumulated other comprehensive (loss) income, net of tax | 55,575 | (5,961) | 85,862 | |
Total stockholders' equity | 4,012,601 | 3,800,531 | 4,120,132 | |
Total liabilities and stockholders' equity | 4,829,642 | 4,822,007 | 5,105,340 | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | PIBI Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 1,285 | 1,516 | |
Other real estate | 0 | 0 | 0 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | PIBI Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 0 | 0 | |
Other real estate | 0 | 0 | 0 | |
PIBI Holding Co. | | | | |
Assets | | | | |
Cash and due from banks | 299 | 618 | 368 | 300 |
Money market investments | 14,692 | 7,512 | 5,907 | |
Trading account securities, at fair value | 0 | 0 | 0 | |
Investment securities available-for-sale, at fair value | 2,621 | 3,863 | 3,487 | |
Investment securities held-to-maturity, at amortized cost | 1,000 | 1,000 | 1,000 | |
Other investment securities, at lower of cost or realizable value | 1 | 1 | 1 | |
Investment in subsidiaries | 1,166,194 | 1,096,907 | 1,033,087 | |
Loans held-for-sale, at lower of cost or fair value | 0 | 0 | 0 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 0 | 0 | 0 | |
Allowance for loan losses | 0 | 0 | 0 | |
Total loans held-in-portfolio, net | 0 | 1,285 | 1,516 | |
FDIC loss share asset | 0 | 0 | 0 | |
Premises and equipment, net | 0 | 0 | 0 | |
Accrued income receivable | 22 | 33 | 8 | |
Mortgage servicing assets, at fair value | 0 | 0 | 0 | |
Other assets | 74,779 | 86,116 | 81,142 | |
Goodwill | 0 | 0 | 0 | |
Other intangible assets | 0 | 0 | 0 | |
Total assets | 1,259,608 | 1,197,335 | 1,126,516 | |
Deposits: | | | | |
Non-interest bearing | 0 | 0 | 0 | |
Interest bearing | 0 | 0 | 0 | |
Total deposits | 0 | 0 | 0 | |
Federal funds purchased and assets sold under agreements to repurchase | 0 | 0 | 0 | |
Other short-term borrowings | 0 | 0 | 0 | |
Notes Payable | 0 | 0 | 0 | |
Subordinated notes | 0 | 0 | 0 | |
Other liabilities | 6,142 | 3,921 | 3,183 | |
Total liabilities | 6,142 | 3,921 | 3,183 | |
Stockholders' equity: | | | | |
Preferred stock | 0 | 0 | 0 | |
Common stock | 4,066 | 4,066 | 4,066 | |
Surplus | 4,092,743 | 4,158,157 | 3,908,157 | |
Accumulated deficit | (2,874,262) | (2,958,347) | (2,786,574) | |
Treasury stock | 0 | 0 | 0 | |
Accumulated other comprehensive (loss) income, net of tax | 30,919 | (10,462) | (2,316) | |
Total stockholders' equity | 1,253,466 | 1,193,414 | 1,123,333 | |
Total liabilities and stockholders' equity | 1,259,608 | 1,197,335 | 1,126,516 | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | PNA Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 0 | 0 | |
Other real estate | 0 | 0 | 0 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | PNA Holding Co. | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 0 | 0 | |
Other real estate | 0 | 0 | 0 | |
PNA Holding Co. | | | | |
Assets | | | | |
Cash and due from banks | 271 | 1,576 | 734 | 738 |
Money market investments | 283 | 261 | 306 | |
Trading account securities, at fair value | 0 | 0 | 0 | |
Investment securities available-for-sale, at fair value | 0 | 0 | 0 | |
Investment securities held-to-maturity, at amortized cost | 0 | 0 | 0 | |
Other investment securities, at lower of cost or realizable value | 4,492 | 4,492 | 4,492 | |
Investment in subsidiaries | 1,636,768 | 1,578,986 | 1,507,550 | |
Loans held-for-sale, at lower of cost or fair value | 0 | 0 | 0 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 0 | 0 | 0 | |
Allowance for loan losses | 0 | 0 | 0 | |
Total loans held-in-portfolio, net | 0 | 0 | 0 | |
FDIC loss share asset | 0 | 0 | 0 | |
Premises and equipment, net | 119 | 122 | 122 | |
Accrued income receivable | 31 | 111 | 31 | |
Mortgage servicing assets, at fair value | 0 | 0 | 0 | |
Other assets | 15,045 | 15,105 | 15,533 | |
Goodwill | 0 | 0 | 0 | |
Other intangible assets | 0 | 0 | 0 | |
Total assets | 1,657,009 | 1,600,653 | 1,528,768 | |
Deposits: | | | | |
Non-interest bearing | 0 | 0 | 0 | |
Interest bearing | 0 | 0 | 0 | |
Total deposits | 0 | 0 | 0 | |
Federal funds purchased and assets sold under agreements to repurchase | 0 | 0 | 0 | |
Other short-term borrowings | 19,000 | 32,500 | 25,200 | |
Notes Payable | 427,270 | 430,121 | 430,052 | |
Subordinated notes | 0 | 0 | 0 | |
Other liabilities | 45,376 | 47,169 | 45,886 | |
Total liabilities | 491,646 | 509,790 | 501,138 | |
Stockholders' equity: | | | | |
Preferred stock | 0 | 0 | 0 | |
Common stock | 2 | 2 | 2 | |
Surplus | 4,103,208 | 4,066,208 | 3,816,208 | |
Accumulated deficit | (2,997,586) | (3,000,682) | (2,821,556) | |
Treasury stock | 0 | 0 | 0 | |
Accumulated other comprehensive (loss) income, net of tax | 59,739 | 25,335 | 32,976 | |
Total stockholders' equity | 1,165,363 | 1,090,863 | 1,027,630 | |
Total liabilities and stockholders' equity | 1,657,009 | 1,600,653 | 1,528,768 | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | Other Subsidiaries [Member] | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 20,744,111 | 20,798,876 | 22,211,004 | |
Other real estate | 175,785 | 161,496 | 168,823 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | Other Subsidiaries [Member] | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 4,512,423 | 4,836,882 | 4,953,195 | |
Other real estate | 75,339 | 57,565 | 56,368 | |
Other Subsidiaries [Member] | | | | |
Assets | | | | |
Cash and due from banks | 567,336 | 451,723 | 580,530 | 677,606 |
Money market investments | 1,263,125 | 979,232 | 2,023,840 | |
Trading account securities, at fair value | 272,939 | 546,713 | 483,192 | |
Investment securities available-for-sale, at fair value | 5,205,308 | 5,216,013 | 5,721,445 | |
Investment securities held-to-maturity, at amortized cost | 115,182 | 95,482 | 187,340 | |
Other investment securities, at lower of cost or realizable value | 158,226 | 148,170 | 142,966 | |
Investment in subsidiaries | 0 | 0 | 0 | |
Loans held-for-sale, at lower of cost or fair value | 368,777 | 893,938 | 115,088 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 101,351 | 106,241 | 106,685 | |
Allowance for loan losses | 772,913 | 793,165 | 1,243,934 | |
Total loans held-in-portfolio, net | 24,382,270 | 24,736,352 | 25,813,580 | |
FDIC loss share asset | 1,798,339 | 2,318,183 | 2,324,978 | |
Premises and equipment, net | 533,687 | 542,501 | 528,651 | |
Accrued income receivable | 132,160 | 149,101 | 160,016 | |
Mortgage servicing assets, at fair value | 157,226 | 166,907 | 165,947 | |
Other assets | 1,890,872 | 1,127,870 | 1,162,461 | |
Goodwill | 648,353 | 647,387 | 645,944 | |
Other intangible assets | 63,658 | 58,142 | 59,884 | |
Total assets | 37,808,582 | 38,296,775 | 40,341,053 | |
Deposits: | | | | |
Non-interest bearing | 5,557,943 | 4,961,417 | 5,397,313 | |
Interest bearing | 22,440,926 | 21,830,669 | 22,374,886 | |
Total deposits | 27,998,869 | 26,792,086 | 27,772,199 | |
Federal funds purchased and assets sold under agreements to repurchase | 2,601,606 | 2,412,550 | 2,522,939 | |
Other short-term borrowings | 354,100 | 743,922 | 691,342 | |
Notes Payable | 1,369,273 | 2,905,554 | 3,886,482 | |
Subordinated notes | 185,000 | 185,000 | 185,000 | |
Other liabilities | 826,495 | 1,028,614 | 1,013,775 | |
Total liabilities | 33,335,343 | 34,067,726 | 36,071,737 | |
Stockholders' equity: | | | | |
Preferred stock | 0 | 0 | 0 | |
Common stock | 51,564 | 51,633 | 51,633 | |
Surplus | 5,857,287 | 5,862,091 | 5,612,091 | |
Accumulated deficit | (1,518,816) | (1,714,659) | (1,515,934) | |
Treasury stock | 0 | 0 | 0 | |
Accumulated other comprehensive (loss) income, net of tax | 83,204 | 29,984 | 121,526 | |
Total stockholders' equity | 4,473,239 | 4,229,049 | 4,269,316 | |
Total liabilities and stockholders' equity | 37,808,582 | 38,296,775 | 40,341,053 | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | Elimination | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | (232,930) | (441,967) | (555,234) | |
Other real estate | 0 | 0 | 0 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | Elimination | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 0 | 0 | 0 | |
Other real estate | 0 | 0 | 0 | |
Elimination | | | | |
Assets | | | | |
Cash and due from banks | (2,243) | (3,182) | (2,473) | (2,488) |
Money market investments | (14,883) | (7,711) | (170,956) | |
Trading account securities, at fair value | 0 | 0 | 0 | |
Investment securities available-for-sale, at fair value | (17,800) | (18,287) | (18,449) | |
Investment securities held-to-maturity, at amortized cost | (185,000) | (185,000) | (185,000) | |
Other investment securities, at lower of cost or realizable value | 0 | 0 | 0 | |
Investment in subsidiaries | (6,891,936) | (6,512,151) | (6,419,919) | |
Loans held-for-sale, at lower of cost or fair value | 0 | 0 | 0 | |
Loans held-in-portfolio: | | | | |
Less- Unearned Income | 0 | 0 | 0 | |
Allowance for loan losses | 0 | 0 | 0 | |
Total loans held-in-portfolio, net | (232,930) | (441,967) | (555,234) | |
FDIC loss share asset | 0 | 0 | 0 | |
Premises and equipment, net | 0 | 0 | 0 | |
Accrued income receivable | (146) | (97) | (67) | |
Mortgage servicing assets, at fair value | 0 | 0 | 0 | |
Other assets | (31,300) | (25,413) | (24,295) | |
Goodwill | 0 | 0 | 0 | |
Other intangible assets | 0 | 0 | 0 | |
Total assets | (7,376,238) | (7,193,808) | (7,376,393) | |
Deposits: | | | | |
Non-interest bearing | (30,493) | (22,096) | (25,874) | |
Interest bearing | (15,036) | (7,790) | (6,281) | |
Total deposits | (45,529) | (29,886) | (32,155) | |
Federal funds purchased and assets sold under agreements to repurchase | 0 | 0 | (164,800) | |
Other short-term borrowings | (206,900) | (412,200) | (525,200) | |
Notes Payable | 0 | (1,285) | (1,516) | |
Subordinated notes | (185,000) | (185,000) | (185,000) | |
Other liabilities | (46,741) | (52,111) | (47,442) | |
Total liabilities | (484,170) | (680,482) | (956,113) | |
Stockholders' equity: | | | | |
Preferred stock | 0 | 0 | 0 | |
Common stock | (55,632) | (55,701) | (55,701) | |
Surplus | (14,044,711) | (14,077,929) | (13,327,929) | |
Accumulated deficit | 7,382,137 | 7,665,161 | 7,115,536 | |
Treasury stock | 0 | 0 | 0 | |
Accumulated other comprehensive (loss) income, net of tax | (173,862) | (44,857) | (152,186) | |
Total stockholders' equity | (6,892,068) | (6,513,326) | (6,420,280) | |
Total liabilities and stockholders' equity | (7,376,238) | (7,193,808) | (7,376,393) | |
Non Covered Under Loss Sharing Agreements With F D I C [Member] | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 20,775,237 | 20,834,276 | 22,248,112 | |
Other real estate | 175,785 | 161,496 | 168,823 | |
Covered Under Loss Sharing Agreements With F D I C [Member] | | | | |
Loans held-in-portfolio: | | | | |
Loans held-in-portfolio | 4,512,423 | 4,836,882 | 4,953,195 | |
Other real estate | $ 75,339 | $ 57,565 | $ 56,368 | |