Investment Securities (Held-to-maturity Securities by Maturities) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Dec. 31, 2013
Investments [Abstract]
Federal income tax rate	35.00%
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, maturing within 1 year, amortized cost	$ 0
Debt securities, maturing 1 to 5 years, amortized cost	0
Debt securities, maturing 5 to 10 years, amortized cost	855
Debt securities, maturing over 10 years, amortized cost	47,948
Debt securities, total amortized cost	48,803	49,222
Debt securities, maturing within 1 year, fair value	0
Debt securities, maturing 1 to 5 years, fair value	0
Debt securities, maturing 5 to 10 years, fair value	826
Debt securities, maturing over 10 years, fair value	46,773
Fair Value	47,599	46,094
Held-to-maturity securities, maturing within 1 year, average yield	0.00%
Held-to-maturity securities, maturing 1 to 5 years, average yield	0.00%
Held-to-maturity securities, maturing 6 to 10 years, average yield	2.60%
Held-to-maturity securities, maturing over 10 years, average yield	2.74%
Held-to-maturity securities, total average yield	2.74%
States and political subdivisions
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, maturing within 1 year, amortized cost	0
Debt securities, maturing 1 to 5 years, amortized cost	0
Debt securities, maturing 5 to 10 years, amortized cost	333
Debt securities, maturing over 10 years, amortized cost	3,515
Debt securities, total amortized cost	3,848	3,850
Debt securities, maturing within 1 year, fair value	0
Debt securities, maturing 1 to 5 years, fair value	0
Debt securities, maturing 5 to 10 years, fair value	322
Debt securities, maturing over 10 years, fair value	3,715
Fair Value	4,037	3,929
Residential mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, maturing within 1 year, amortized cost	0
Debt securities, maturing 1 to 5 years, amortized cost	0
Debt securities, maturing 5 to 10 years, amortized cost	522
Debt securities, maturing over 10 years, amortized cost	36,629
Debt securities, total amortized cost	37,151	37,536
Debt securities, maturing within 1 year, fair value	0
Debt securities, maturing 1 to 5 years, fair value	0
Debt securities, maturing 5 to 10 years, fair value	504
Debt securities, maturing over 10 years, fair value	35,526
Fair Value	36,030	34,530
Commercial mortgage-backed securities
Schedule of Held-to-maturity Securities [Line Items]
Debt securities, maturing within 1 year, amortized cost	0
Debt securities, maturing 1 to 5 years, amortized cost	0
Debt securities, maturing 5 to 10 years, amortized cost	0
Debt securities, maturing over 10 years, amortized cost	7,804
Debt securities, total amortized cost	7,804	7,836
Debt securities, maturing within 1 year, fair value	0
Debt securities, maturing 1 to 5 years, fair value	0
Debt securities, maturing 5 to 10 years, fair value	0
Debt securities, maturing over 10 years, fair value	7,532
Fair Value	$ 7,532	$ 7,635

Held-to-maturity Securities, Debt Maturities, Average Yield

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Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Amortized Cost before Other than Temporary Impairment

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Held-to-maturity Securities, Debt Maturities, Next Rolling Twelve Months, Average Yield

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Held-to-maturity Securities, Debt Maturities, Rolling after Ten Years, Amortized Cost before Other than Temporary Impairment

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Held-to-maturity Securities, Debt Maturities, Rolling after Ten Years, Average Yield

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Held-to-maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Amortized Cost before Other than Temporary Impairment

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Held-to-maturity Securities, Debt Maturities, Rolling Year Six Through Ten, Average Yield

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Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Amortized Cost before Other than Temporary Impairment

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Held-to-maturity Securities, Debt Maturities, Rolling Year Two Through Five, Average Yield

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- Definition

Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 12

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Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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Amount of held-to-maturity debt securities at fair value maturing in the next rolling twelve months following the latest balance sheet presented.

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Amount of held-to-maturity debt securities at fair value maturing after the tenth rolling twelve months following the latest balance sheet presented.

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Amount of held-to-maturity debt securities at fair value maturing in the sixth rolling twelve months through the tenth rolling twelve months following the latest balance sheet presented.

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Amount of held-to-maturity debt securities at fair value maturing in the second rolling twelve months through the fifth rolling twelve months following the latest balance sheet presented.

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Fair value of investments in debt securities classified as held-to-maturity.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 5

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