Loans and Allowance for Loan Losses, Troubled Debt Restructurings (Details) (USD $)	3 Months Ended		6 Months Ended						3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2014 Contract	Jun. 30, 2013 Contract	Jun. 30, 2014 Contract	Jun. 30, 2013 Contract	Jun. 30, 2014 Lessors of Nonresidential Buildings [Member]	Dec. 31, 2013 Lessors of Nonresidential Buildings [Member]	Jun. 30, 2014 Lessors of Residential Buildings [Member]	Dec. 31, 2013 Lessors of Residential Buildings [Member]	Jun. 30, 2014 Commercial Real Estate - Mortgage [Member] Contract	Jun. 30, 2013 Commercial Real Estate - Mortgage [Member] Contract	Jun. 30, 2014 Commercial Real Estate - Mortgage [Member] Contract	Jun. 30, 2013 Commercial Real Estate - Mortgage [Member] Contract	Jun. 30, 2014 Consumer Real Estate - Mortgage [Member] Contract	Jun. 30, 2013 Consumer Real Estate - Mortgage [Member] Contract	Jun. 30, 2014 Consumer Real Estate - Mortgage [Member] Contract	Jun. 30, 2013 Consumer Real Estate - Mortgage [Member] Contract	Jun. 30, 2014 Construction and Land Development [Member] Contract	Jun. 30, 2013 Construction and Land Development [Member] Contract	Jun. 30, 2014 Construction and Land Development [Member] Contract	Jun. 30, 2013 Construction and Land Development [Member] Contract	Jun. 30, 2014 Commercial and Industrial [Member] Contract	Jun. 30, 2013 Commercial and Industrial [Member] Contract	Jun. 30, 2014 Commercial and Industrial [Member] Contract	Jun. 30, 2013 Commercial and Industrial [Member] Contract	Jun. 30, 2014 Consumer and Other [Member] Contract	Jun. 30, 2013 Consumer and Other [Member] Contract	Jun. 30, 2014 Consumer and Other [Member] Contract	Jun. 30, 2013 Consumer and Other [Member] Contract
Troubled debt restructuring categorized by loan classification [Abstract]
Number of contracts	1	2	7	4					0	0	0	0	0	0	0	1	0	1	0	1	1	1	7	1	0	0	0	1
Pre Modification Outstanding Recorded Investment	$ 75,000	$ 1,551,000	$ 2,955,000	$ 2,172,000					$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 0	$ 428,000	$ 0	$ 51,000	$ 0	$ 51,000	$ 75,000	$ 1,500,000	$ 2,955,000	$ 1,500,000	$ 0	$ 0	$ 0	$ 193,000
Post Modification Outstanding Recorded Investment, net of related allowance	59,000	1,334,000	2,099,000	1,853,000					0	0	0	0	0	0	0	355,000	0	44,000	0	44,000	59,000	1,290,000	2,099,000	1,290,000	0	0	0	164,000
Troubled debt restructurings performing as of restructure date	7,600,000	19,600,000	7,600,000	19,600,000
Number of contracts of troubled debt restructurings subsequently defaulted															2
Troubled debt restructurings subsequently defaulted															1.0
Percentage of credit exposure to risk based capital (in hundredths)	25.00%		25.00%
Loan portfolio credit risk exposure [Abstract]
Financing receivables principal balance					477,902,000		245,782,000
Financing receivables unfunded commitment					73,210,000		33,609,000
Financing receivables exposure					$ 551,112,000	$ 515,240,000	$ 279,391,000	$ 270,773,000