Allocation of reserves to troubled debt restructuring.

No definition available.

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- Definition

Loans classified as a troubled debt restructured.

+ References

No definition available.

+ Details

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- Definition

Loans receivable percentage of portfolio.

+ References

No definition available.

+ Details

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- Definition

Number of performing loans.

+ References

No definition available.

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- Definition

Reserve for credit risk for undisbursed commitments.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Transfers of loans to held for sale.

+ References

No definition available.

+ Details

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

- Definition

Write down of loans held for sale.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 7

-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5111-111524

-Subparagraph (d)

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

- Definition

The recorded investment related to impaired financing receivables.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 14A

-URI http://asc.fasb.org/extlink&oid=6965416&loc=SL6953550-111524

-Subparagraph (b)

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- Definition

Reflects the carrying amount of loans held for sale not otherwise specified in the existing taxonomy.

+ 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(a)(7))

-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 65

-Paragraph 4, 5, 6, 7, 8, 9, 12, 17, 28, 29

-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 OTS

-Name Federal Regulation (FR)

-Number Title 12

-Chapter V

-Section 563c.102

-Subsection I

-Paragraph 8

-Subparagraph h(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 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6375948&loc=d3e4428-111522

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- Definition

Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 140

-Paragraph 15

-Subparagraph 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 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6965416&loc=d3e5086-111524

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6467456&loc=d3e113888-111728

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Balance Type:	debit
Period Type:	instant

- Definition

Reflects the carrying amount of loans charging borrowers fixed rates of interest.

+ References

No definition available.

+ Details

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Balance Type:	credit
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Loan and Lease Finance Receivables and Allowance for Credit Losses (Details Textual) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Loans and Lease Finance Receivables (Textual) [Abstract]
Fixed rate loans held	$ 1,540,000,000
Loans classified as troubled debt restructured	60,500,000
Outstanding balance	55,312,000		62,672,000
Impaired, at carrying value	97,186,000		101,226,000
Loans and Lease Finance Receivables (Additional Textual) [Abstract]
Number of performing loans	21
Reserve for Credit Risk for Undisbursed Commitments	9,600,000		9,600,000
Allocation of allowance to troubled debt restructuring	20,000		27,000
Secure Borrowings from the FHLB and federal reserve bank	2,300,000,000		2,310,000,000
Commercial Real Estate Loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	1,000,000
Nonaccrual dairy and livestock loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	1,200,000
Non-covered impaired loans modified in troubled debt restructure [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Impaired, at carrying value	60,500,000
Performing Financing Receivable [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Loans classified as troubled debt restructured	41,900,000
Impaired, at carrying value	97,200,000
Nonperforming Financing Receivable [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Loans classified as troubled debt restructured	18,600,000
Nonaccrual single family mortgage loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	13,100,000
Allowance impaired loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Impaired, at carrying value	1,500,000
Allowance impaired non-covered loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Impaired, at carrying value			3,000,000
Construction [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Percentage of loan portfolio	2.22%
Nonaccrual commercial and industrial loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	4,100,000
Nonaccrual Commercial Construction Loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	8,400,000
Nonaccrual residential construction and land loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	920,000
Commercial Real Estate Loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Percentage of loan portfolio	63.91%
Nonaccrual consumer loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	394,000
Nonaccrual commercial real estate loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Outstanding balance	27,200,000
Covered loans held for sale activity [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Transfers of loans to held for sale
Write-down of loans held for sale	(1,219,000)
Loans held-for-sale	3,771,000		5,664,000
Nonaccrual non-covered impaired loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Impaired, at carrying value	18,600,000
Non-covered impaired loans [Member]
Loans and Lease Finance Receivables (Textual) [Abstract]
Impaired, at carrying value			$ 101,200,000