Loans - Past Due Loans And Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	$ 3,830	$ 5,955
Nonaccrual loans	3,735	4,674
Total Current, Subtotal	974,198	923,100
Total Financing Receivables	978,028	929,055
Less: Unearned origination fee, net of origination costs	(4,348)	(4,551)
Total loans	973,680	924,504
Asset Quality Rating - Pass
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	80	1,241
Nonaccrual loans	0	0
Total Current, Subtotal	943,101	900,670
Total Financing Receivables	943,181	901,911
Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	15	0
Nonaccrual loans	0	0
Total Current, Subtotal	1,964	20,012
Total Financing Receivables	1,979	20,012
Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	3,735	4,714
Nonaccrual loans	3,735	4,674
Total Current, Subtotal	29,133	2,418
Total Financing Receivables	32,868	7,132
Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Nonaccrual loans	0	0
Total Current, Subtotal	0	0
Total Financing Receivables	0	0
Asset Quality Rating - Loss
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Nonaccrual loans	0	0
Total Current, Subtotal	0	0
Total Financing Receivables	0	0
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	95	736
Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	80	696
Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	15	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	40
Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, 30 to 59 Days Past Due [Member] | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	545
Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	545
Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, 60 to 89 Days Past Due [Member] | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Asset Quality Rating - Pass
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Asset Quality Rating - Special Mention
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Asset Quality Rating - Substandard
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Asset Quality Rating - Doubtful
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Asset Quality Rating - Loss
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans past due	$ 0	$ 0