Impairment of covered loans.

No definition available.

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- Definition

Increase (decrease) in indemnification asset.

+ References

No definition available.

+ Details

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Period Type:	duration

- Details

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- Details

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- Definition

Reflects additions to the reserve for bad debts arising from purchase of loan and lease portfolios.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 SEC

-Name Regulation S-X (SX)

-Number 210

-Article 9

-Section 03

-Paragraph 7

-Subparagraph d

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesLoansAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects the amount charged against earnings during the period as bad debt expense, net of recoveries of previously expensed credit losses.

+ References

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesProvisionForLossNet
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Reflects a reduction in bad debt expense attributable to collections of loans and lease receivables which had previously been fully or partially charged off as bad debts.

+ References

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesRecoveriesOfBadDebts
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Reflects the amount of loans and leases that have been removed, or charged off, from both loan receivables and the reserve for credit losses, typically because they are considered to be not salvageable or have been purchased by unconsolidated collection entities.

+ References

+ Details

Name:	us-gaap_AllowanceForLoanAndLeaseLossesWriteOffs
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- Definition

The balance of financing receivables that were acquired with deteriorated credit quality.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524

-Subparagraph (h)

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

+ Details

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Period Type:	instant

- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

+ Details

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- Definition

The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher OTS

-Name Federal Regulation (FR)

-Number Title 12

-Chapter V

-Section 563c.102

-Paragraph 8

-Subparagraph a(ii)

-Subsection I

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 6

-Section L

-Subsection 1

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

-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 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(d))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 9

-Section 03

-Paragraph 7

-Subparagraph d

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 8, 9

-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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (b)(1)(ii)

-URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544

+ Details

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Period Type:	instant

Loans (Details 1) (USD $) In Thousands, unless otherwise specified						12 Months Ended												12 Months Ended		12 Months Ended		12 Months Ended
	Dec. 31, 2011	Jun. 04, 2011	Dec. 31, 2010	Dec. 31, 2011 Commercial Loans [Member]	Dec. 31, 2010 Commercial Loans [Member]	Dec. 31, 2011 Allowance for loan losses [Member]	Dec. 31, 2010 Allowance for loan losses [Member]	Dec. 31, 2009 Allowance for loan losses [Member]	Dec. 31, 2011 Allowance for loan losses [Member] Commercial Loans [Member]	Dec. 31, 2010 Allowance for loan losses [Member] Commercial Loans [Member]	Dec. 31, 2011 Allowance for loan losses [Member] Residential mortgage Loans [Member]	Dec. 31, 2010 Allowance for loan losses [Member] Residential mortgage Loans [Member]	Dec. 31, 2011 Allowance for loan losses [Member] Consumer loan [Member]	Dec. 31, 2010 Allowance for loan losses [Member] Consumer loan [Member]	Dec. 31, 2011 Loans [Member]	Dec. 31, 2010 Loans [Member]	Dec. 31, 2009 Loans [Member]	Dec. 31, 2011 Loans [Member] Commercial Loans [Member]	Dec. 31, 2010 Loans [Member] Commercial Loans [Member]	Dec. 31, 2011 Loans [Member] Residential mortgage Loans [Member]	Dec. 31, 2010 Loans [Member] Residential mortgage Loans [Member]	Dec. 31, 2011 Loans [Member] Consumer loan [Member]	Dec. 31, 2010 Loans [Member] Consumer loan [Member]
Allowance for loan losses:
Loans and Leases receivable, Allowance, Beginning Balance	$ 124,881		$ 81,997			$ 81,997	$ 66,050	$ 61,725	$ 56,859	$ 42,484	$ 4,626	$ 4,782	$ 20,512	$ 18,784	$ 4,957,164		$ 5,114,175	$ 3,147,765		$ 659,689		$ 1,149,710
Charge-offs						(70,263)	(58,266)	(54,915)	(54,754)	(39,393)	(2,634)	(4,615)	(12,875)	(14,258)
Recoveries						24,984	7,584	4,650	20,006	3,491	1,091	740	3,887	3,353
Net Provision for loan losses						38,732	65,991	54,590	29,762	50,277	1,632	3,719	7,338	11,995
Increase in indemnification asset						49,431	638		26,541		9,203		13,687	638
Loans and Leases receivable, Allowance, Ending Balance	124,881		81,997			124,881	81,997	66,050	78,414	56,859	13,918	4,626	32,549	20,512	11,177,026		5,114,175	8,062,158		1,507,498		1,607,370
Ending balance: Individually evaluated for impairment						7,539	11,952	10,972	6,988	10,648	551	1,304	0	0	32,124	62,454	78,005	28,034	56,836	4,090	5,618	0
Ending balance: Collectively evaluated for impairment						117,342	70,045	55,078	71,426	46,211	13,367	3,322	32,549	20,512	10,473,459	4,085,559	4,085,740	7,794,582	2,716,598	1,217,726	360,566	1,461,151	1,008,395
Ending balance: Covered loans with deteriorated credit quality		535,489		8,062,158	3,147,765	41,635	0	0	18,203	0	9,024	0	14,408	0
Loans:
Impairment of covered loans															671,443	809,151	950,430	239,542	374,331	285,682	293,505	146,219	141,315
Acquired loans															$ 5,617,853			$ 4,496,644		$ 734,669		$ 386,540