Equity Appreciation Instrument, Fair Value Disclosure

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- Definition

This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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- Definition

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 12
-Subparagraph b
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6379932&loc=d3e22054-111558

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Available-for-Sale Securities
-URI http://asc.fasb.org/extlink&oid=6505594

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- Definition

Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (a),(c)
-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 44C
-Subparagraph a
-Clause 1
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 205G
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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- Definition

Derivative instrument obligations meeting the definition of a liability which the Company is a party to as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 10
-Subparagraph i
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 133
-Paragraph 6
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 15
-Paragraph 83
-URI http://asc.fasb.org/extlink&oid=6913464&loc=d3e34841-113949

+ Details

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- Definition

This element represents the aggregate of the liabilities reported on the balance sheet at period end measured at fair value by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements.

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- Definition

Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name FASB Staff Position (FSP)
-Number FAS140-4/FIN46(R)-8
-Paragraph B9
-Subparagraph a(1)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 13A, 13B
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 140
-Paragraph 17
-Subparagraph f(1)(a)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6863725&loc=d3e122625-111746

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- Definition

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 4
-Article 9

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.4)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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Assets and Liabilities Measured at Fair Value on a Recurring Basis (Detail) (USD $) In Thousands	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Jun. 30, 2010	Mar. 31, 2010
Assets
Mortgage servicing rights	$ 162,619	$ 166,907	$ 166,907	$ 171,994	$ 169,747
Derivatives	68,376		72,510	79,571
U.S. Treasury securities \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	38,192		38,136	140,687
U.S. Treasury securities \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	38,192		38,136	140,687
Obligations of U.S. Government sponsored entities \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	1,248,688		1,211,304	1,749,475
Obligations of U.S. Government sponsored entities \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	1,248,688		1,211,304	1,749,475
Obligations of Puerto Rico, States and political subdivisions \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	34,266		52,702	55,632
Trading account securities, excluding derivatives	10,315		16,438	9,726
Obligations of Puerto Rico, States and political subdivisions \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	34,266		52,702	55,632
Trading account securities, excluding derivatives	10,315		16,438	9,726
Collateralized mortgage obligations - federal agencies \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	1,613,062		1,238,294	1,445,018
Collateralized mortgage obligations - federal agencies \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	1,613,062		1,238,294	1,445,018
Collateralized mortgage obligations - private label \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	70,486		84,938	101,987
Collateralized mortgage obligations - private label \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	70,486		84,938	101,987
Mortgage backed securities \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	2,341,390		2,568,396	2,947,312
Trading account securities, excluding derivatives	721,731		472,806	261,150
Mortgage backed securities \| Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	7,634		7,759	32,372
Trading account securities, excluding derivatives	27,079		20,238	114,281
Mortgage backed securities \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	2,349,024		2,576,155	2,979,684
Trading account securities, excluding derivatives	748,810		493,044	375,431
Equity securities (without contractual maturity) \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	4,486		5,523	5,235
Equity securities (without contractual maturity) \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	8,265		9,475	8,704
Equity securities (without contractual maturity) \| Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 1
Assets
Investment securities available-for-sale	3,779		3,952	3,469
Other \| Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	27,508		25,848
Trading account securities, excluding derivatives	18,942		30,423	9,539
Other \| Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring
Assets
Trading account securities, excluding derivatives	3,571		2,810	3,232
Other \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	27,508		25,848
Trading account securities, excluding derivatives	22,513		33,233	12,771
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	5,378,078		5,225,141	6,445,346
Trading account securities, excluding derivatives	751,698		520,436	281,323
Derivatives	69,232		72,993	79,611
Total	6,199,008		5,818,570	6,806,280
Liabilities
Derivatives	(68,766)		(76,344)	(86,846)
Trading liabilities			(10,459)
Equity appreciation instrument			(9,945)
Total	(68,766)		(96,748)	(86,846)
Fair Value, Inputs, Level 2 \| Fair Value, Measurements, Recurring \| Collateralized Mortgage Obligations
Assets
Trading account securities, excluding derivatives	710		769	908
Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	7,634		7,759	32,372
Trading account securities, excluding derivatives	33,288		25,794	120,180
Mortgage servicing rights	162,619		166,907	171,994
Total	203,541		200,460	324,546
Fair Value, Inputs, Level 3 \| Fair Value, Measurements, Recurring \| Collateralized Mortgage Obligations
Assets
Trading account securities, excluding derivatives	2,638		2,746	2,667
Fair Value, Measurements, Recurring
Assets
Investment securities available-for-sale	5,389,491		5,236,852	6,481,187
Trading account securities, excluding derivatives	784,986		546,230	401,503
Mortgage servicing rights	162,619		166,907	171,994
Derivatives	69,232		72,993	79,611
Total	6,406,328		6,022,982	7,134,295
Liabilities
Derivatives	(68,766)		(76,344)	(86,846)
Trading liabilities			(10,459)
Equity appreciation instrument			(9,945)
Total	(68,766)		(96,748)	(86,846)
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 1
Assets
Investment securities available-for-sale	3,779		3,952	3,469
Total	3,779		3,952	3,469
Fair Value, Measurements, Recurring \| Collateralized Mortgage Obligations
Assets
Trading account securities, excluding derivatives	$ 3,348		$ 3,515	$ 3,575