Employee Benefit Plans (Details 10) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Benefit Plans Details 10
Balance, beginning - shares	108	94	93
Granted - shares	21	30	14
Vested - shares	(15)	(15)	(13)
Forfeited - shares		(1)
Amortization of Compensation Expense - shares
Balance, ending - shares	114	108	94
Balance, beginning - Unearned compensation	$ 1,079	$ 891	$ 990
Granted - Unearned compensation	408	518	239
Vested - Unearned compensation
Forfeited - Unearned compensation		(7)
Amortization of Compensation Expense - Unearned compensation	(448)	(323)	(338)
Balance, ending - Unearned compensation	$ 1,039	$ 1,079	$ 891
Granted - Weighted average grant price	$ 19.35	$ 16.97	$ 16.97

The amortization of compensation expense during the reporting period.

No definition available.

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- Definition

The unearned compensation forfeited during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The unearned compensation granted during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The weighted average value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

No definition available.

+ Details

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- Definition

The unearned compensation vested during the reporting period.

+ References

No definition available.

+ Details

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(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 123R

-Paragraph A240

-Subparagraph b(2)(c)

-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

Number of non-option equity instruments exercised by participants.

+ References

+ Details

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- Definition

Number of shares under non-option equity instrument agreements that were cancelled as a result of occurrence of a terminating event.

+ References

+ Details

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- Definition

Net number of non-option equity instruments granted to participants.

+ References

+ Details

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- Definition

Other increase (decrease) in number of shares reserved for issuance under non-option equity instrument agreements that is not separately disclosed.

+ References

No definition available.

+ Details

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- Definition

Number of shares reserved for issuance under non-option equity instrument agreements awarded that validly exist and are outstanding, including vested instruments.

+ References

+ Details

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