This element represents the retained net profit period which require approval if total dividends declared by a state chartered bank in any calendar year exceed the bank's net profits for that year combined with its retained net profits for the preceding calendar years.

No definition available.

Shareholders' Equity (Details) (USD $)	0 Months Ended	12 Months Ended
Shareholders' Equity (Details) (USD $)	Dec. 04, 2014	Dec. 31, 2014	Dec. 04, 2014	Dec. 31, 2013
Shareholders' Equity [Abstract]
Approved funds available for common stock repurchase program		$ 20,000,000
Stock repurchase program, period in force		3 years
Retained net profit period		2 years
Issuance of common stock (in shares)	6,200
Per share price of shares issued (in dollars per share)	$ 450us-gaap_SaleOfStockPricePerShare		$ 450us-gaap_SaleOfStockPricePerShare
Total Capital to Risk Weighted Assets [Abstract]
Actual Amount		266,533,000us-gaap_Capital		244,354,000us-gaap_Capital
Regulatory Capital Requirement, Amount		164,911,000		139,689,000
Total Capital to Risk Weighted Assets, Ratio [Abstract]
Actual Ratio (in hundredths)		12.93%us-gaap_CapitalToRiskWeightedAssets		13.99%us-gaap_CapitalToRiskWeightedAssets
Regulatory Capital Requirement Ratio (in hundredths)		8.00%		8.00%
Tier 1 Capital to Risk Weighted Assets [Abstract]
Actual Amount		240,645,000us-gaap_TierOneRiskBasedCapital		222,372,000us-gaap_TierOneRiskBasedCapital
Regulatory Capital Requirement, Amount		82,456,000		69,845,000
Tier 1 Capital to Risk Weighted Assets Ratio [Abstract]
Actual Ratio (in hundredths)		11.67%		12.74%
Regulatory Capital Requirement Ratio (in hundredths)		4.00%		4.00%
Tier 1 Capital to Average Assets [Abstract]
Actual Amount		240,645,000us-gaap_TierOneLeverageCapital		222,372,000us-gaap_TierOneLeverageCapital
Regulatory Capital Requirement, Amount		91,219,000		80,755,000
Tier 1 Capital to Average Assets Ratio [Abstract]
Actual Ratio (in hundredths)		10.55%		11.01%
Regulatory Capital Requirement Ratio (in hundredths)		4.00%		4.00%
Bank [Member]
Total Capital to Risk Weighted Assets [Abstract]
Actual Amount		266,203,000		244,087,000
Regulatory Capital Requirement, Amount		164,887,000		139,674,000
Well Capitalized Under Prompt Corrective Action, Amount		206,109,000		174,593,000
Total Capital to Risk Weighted Assets, Ratio [Abstract]
Actual Ratio (in hundredths)		12.92%		13.98%
Regulatory Capital Requirement Ratio (in hundredths)		8.00%		8.00%
Well Capitalized Under Prompt Corrective Action, Ratio (in hundredths)		10.00%		10.00%
Tier 1 Capital to Risk Weighted Assets [Abstract]
Actual Amount		240,319,000		222,108,000
Regulatory Capital Requirement, Amount		82,444,000		69,837,000
Well Capitalized Under Prompt Corrective Action, Amount		123,665,000		104,756,000
Tier 1 Capital to Risk Weighted Assets Ratio [Abstract]
Actual Ratio (in hundredths)		11.66%		12.72%
Regulatory Capital Requirement Ratio (in hundredths)		4.00%		4.00%
Well Capitalized Under Prompt Corrective Action, Ratio (in hundredths)		6.00%		6.00%
Tier 1 Capital to Average Assets [Abstract]
Actual Amount		240,319,000		222,108,000
Regulatory Capital Requirement, Amount		91,062,000		80,633,000
Well Capitalized Under Prompt Corrective Action, Amount		$ 113,827,000		$ 100,791,000
Tier 1 Capital to Average Assets Ratio [Abstract]
Actual Ratio (in hundredths)		10.56%		11.02%
Regulatory Capital Requirement Ratio (in hundredths)		4.00%		4.00%
Well Capitalized Under Prompt Corrective Action, Ratio (in hundredths)		5.00%		5.00%