Derivative Financial Instruments (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Dec. 31, 2012
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	$ 118,837,000
Average Maturity	2 months 12 days
Fair Value	(531,000)
Unrealized gain (loss) on Cash Flow Hedges	400,000
Maximum term of cash flow hedge	1 year 9 months 18 days
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	1,159,000	1,368,000
Liability Derivatives	2,338,000	1,320,000
Cash Flow Hedge [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	648,000	739,000
Cash Flow Hedge [Member] \| Pay Fixed Interest-Rate Swap Agreement [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	10,000,000
Average Maturity	1 year 9 months 18 days
Fair Value	(648,000)
No Hedge Designation [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	1,159,000	1,368,000
Liability Derivatives	1,690,000	581,000
No Hedge Designation [Member] \| Mandatory Commitments to Sell Mortgage Loans [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	76,941,000
Average Maturity	1 month 6 days
Fair Value	(186,000)
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	0	0
No Hedge Designation [Member] \| Rate-Lock Mortgage Loan Commitments [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	39,392,000
Average Maturity	1 month 6 days
Fair Value	(1,159,000)
No Hedge Designation [Member] \| Amended Warrant [Member]
Derivative financial instrument according to type of hedge[ Abstract]
Notional Amount	2,504,000
Average Maturity	5 years 8 months 12 days
Fair Value	(1,504,000)
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	0	0
Other Assets [Member] \| No Hedge Designation [Member] \| Rate-Lock Mortgage Loan Commitments [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Asset Derivatives	1,159,000	1,368,000
Other Liabilities [Member] \| Cash Flow Hedge [Member] \| Pay Fixed Interest-Rate Swap Agreement [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	648,000	739,000
Other Liabilities [Member] \| No Hedge Designation [Member] \| Mandatory Commitments to Sell Mortgage Loans [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	186,000	122,000
Other Liabilities [Member] \| No Hedge Designation [Member] \| Amended Warrant [Member]
Fair value of derivative instruments, balance sheet location [Abstract]
Liability Derivatives	$ 1,504,000	$ 459,000

The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 45

-Subparagraph b(2)

-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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Balance Type:	credit
Period Type:	duration

- Definition

Total monetary amount specified by the derivative asset(s). Expressed as an absolute value.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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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 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.

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 Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (a),(c)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

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- Definition

Fair value of derivative liability, 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

+ Details

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Balance Type:	credit
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- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13433-108611

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13495-108611

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- Definition

Maximum length of time over which the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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