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Employee Benefits (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Defined Contribution Plan [Line Items]
Matched percentage by employer	50.00%
Maximum employee percentage of deferred salary matched by employer	6.00%
Non-elective safe-harbor contribution received each December 31st	3.00%
Employer contributions	$ 888	$ 867	$ 739
Maximum age benefit could be reduced or forfeited	65 years
Supplemental income benefit liability	93	121
Supplemental income benefit expense	$ 8	$ 16	$ 13
Minimum [Member]
Defined Contribution Plan [Line Items]
Non-elective safe-harbor contribution received each December 31st	1.00%
Maximum [Member]
Defined Contribution Plan [Line Items]
Non-elective safe-harbor contribution received each December 31st	10.00%

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- Definition

Executive Supplemental Income Benefit Expense

+ References

No definition available.

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- Definition

Executive Supplemental Income Benefit Liability

+ References

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- Definition

Maximum Age Benefits Can Be Reduced Or Forfeited Due To Employment Termination

+ References

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- Definition

Non Elective Safe Harbor Employer Contribution And Age Weighted Employer Contribution Percent

+ References

No definition available.

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- Definition

The increase in the fair value of plan assets from contributions made by the employer.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (b)(3)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

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- Definition

Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

+ References

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- Definition

Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.

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