Reflects the amount of loans and leases that have been removed or charged off from both loan receivables and the reserve for credit losses, net of any recoveries of previously removed or charged off credit losses.

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The sum of periodic provision charged to earnings, net of the transfer to or from the reserve for off-balance sheet credit commitments, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

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Reflects the aggregate gross carrying amount of all categories of loans and leases held in portfolio, after deducting deferred income, but before deducting the allowance for losses on loans and leases. Excludes loans covered by a loss sharing agreement with the Federal Deposit Insurance Corporation.

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Accrued liability to reflect exposure relating to off-balance sheet items such as commitments to extend credit, banker's acceptances and standby letters of credit.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Represents the amount of transfers from (to) the allowance for loan and lease losses.

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Represents the amount of transfers to (from) the reserve for off-balance sheet credit commitments.

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- 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

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))
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Reference 3: http://www.xbrl.org/2003/role/presentationRef
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-Article 9
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5212-111524

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953423-111524
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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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

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

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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

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-Name Regulation S-X (SX)
-Number 210
-Article 9
-Section 03
-Paragraph 7
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Reference 6: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-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

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The sum of the periodic provision charged to earnings, based on an assessment of uncollectibility from the counterparty on account of loan, lease or other credit losses, to reduce these accounts to the amount that approximates their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Paragraph 28
-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 SEC
-Name Regulation S-X (SX)
-Number 210
-Article 9
-Section 04
-Paragraph 11

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 5
-Paragraph 168, 169, 170
-IssueDate 2006-05-01
-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.

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Loans, Allowance for Loan and Lease Losses, and Reserve for Off-Balance Sheet Credit Commitments (Details 3) (USD $) In Thousands	3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended		6 Months Ended			3 Months Ended	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010	Dec. 31, 2010	Jun. 30, 2011 Commercial (includes lease financing)	Jun. 30, 2010 Commercial (includes lease financing)	Jun. 30, 2011 Commercial (includes lease financing)	Jun. 30, 2010 Commercial (includes lease financing)	Dec. 31, 2010 Commercial (includes lease financing)	Jun. 30, 2011 Commercial real estate mortgages	Jun. 30, 2010 Commercial real estate mortgages	Jun. 30, 2011 Commercial real estate mortgages	Jun. 30, 2010 Commercial real estate mortgages	Dec. 31, 2010 Commercial real estate mortgages	Jun. 30, 2011 Residential mortgage	Jun. 30, 2010 Residential mortgage	Jun. 30, 2011 Residential mortgage	Jun. 30, 2010 Residential mortgage	Dec. 31, 2010 Residential mortgage	Jun. 30, 2011 Real estate construction	Jun. 30, 2010 Real estate construction	Jun. 30, 2011 Real estate construction	Jun. 30, 2010 Real estate construction	Dec. 31, 2010 Real estate construction	Jun. 30, 2011 Equity lines of credit	Jun. 30, 2010 Equity lines of credit	Jun. 30, 2011 Equity lines of credit	Jun. 30, 2010 Equity lines of credit	Dec. 31, 2010 Equity lines of credit	Jun. 30, 2011 Installment loan	Jun. 30, 2010 Installment loan	Jun. 30, 2011 Installment loan	Jun. 30, 2010 Installment loan	Dec. 31, 2010 Installment loan	Jun. 30, 2011 Unallocated	Jun. 30, 2011 Unallocated	Dec. 31, 2009 Unallocated
Allowance for Loan and Lease Losses
Beginning Balance	$ 263,356	$ 292,799	$ 257,007	$ 288,493		$ 75,661		$ 82,451			$ 47,519		$ 52,516			$ 13,527		$ 16,753			$ 36,693		$ 40,824			$ 6,445		$ 7,229			$ 5,445		$ 3,931			$ 78,066	$ 53,303	$ 51,017
Provision for credit losses, net of transfers	(1,618)		(1,796)			7,440		2,587			272		(10,937)			(401)		(3,012)			(7,815)		(15,772)			343		316			(3,600)		(1,884)			2,143	26,906
Charge-offs	(6,075)	(36,151)	(14,442)	(86,589)		(3,446)	(22,680)	(6,684)	(40,749)		(98)	(476)	(2,897)	(15,451)		(375)	(620)	(1,022)	(2,080)		(1,897)	(12,025)	(2,463)	(26,250)		(128)	(345)	(921)	(557)		(131)	(5)	(455)	(1,502)
Recoveries	10,270	2,656	25,164	3,558		6,062	1,390	7,363	1,835		1,367	74	10,378	81		122	10	154	79		2,474	1,081	6,866	1,123		8	7	44	10		237	94	359	430
Net charge-offs(recoveries)	4,195	(33,495)	10,722	(83,031)		2,616		679			1,269		7,481			(253)		(868)			577		4,403			(120)		(877)			106		(96)
Ending Balance	265,933	290,492	265,933	290,492		85,717		85,717			49,060		49,060			12,873		12,873			29,455		29,455			6,668		6,668			1,951		1,951			80,209	80,209	51,017
Allowance individually evaluated for impairment	11,068		11,068			7,605		7,605			1,150		1,150			56		56			1,853		1,853			404		404
Allowance collectively evaluated for impairment	254,865		254,865			78,112		78,112			47,910		47,910			12,817		12,817			27,602		27,602			6,264		6,264			1,951		1,951			80,209	80,209
Loans and leases, excluding covered loans	11,663,123	11,483,044	11,663,123	11,483,044	11,386,628	4,800,252	3,935,544	4,800,252	3,935,544	4,136,874	1,930,269	2,078,003	1,930,269	2,078,003	1,958,317	3,710,765	3,577,894	3,710,765	3,577,894	3,552,312	355,014	629,902	355,014	629,902	467,785	735,899	742,071	735,899	742,071	733,741	130,924	169,070	130,924	169,070	160,144
Loans and leases, individually evaluated for impairment	120,583		120,583			19,236		19,236			23,689		23,689			12,552		12,552			60,543		60,543			4,522		4,522			41		41
Loans and leases, collectively evaluated for impairment	11,542,540		11,542,540			4,781,016		4,781,016			1,906,580		1,906,580			3,698,213		3,698,213			294,471		294,471			731,377		731,377			130,883		130,883
Provision for credit losses on loans and leases, excluding covered loans		32,000		87,000
Transfers to reserve for off-balance sheet credit commitments	(1,600)	(812)	(1,800)	(1,970)
Reserve for Off Balance Sheet Credit Commitments
Balance, beginning of period	21,707	18,498	21,529	17,340
Transfers from (to) allowance for loan and lease losses	1,618	812	1,796	1,970
Balance, end of period	$ 23,325	$ 19,310	$ 23,325	$ 19,310