Loans and the Allowance for Loan Losses (Details) - Allowance for loan and lease losses (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012
Allowance for loan and lease losses:
Allowance for loan and lease losses, individually evaluated for impairment	$ 335		$ 415
Allowance for loan and lease losses, collectively evaluated for impairment	10,490		9,918
Allowance for loan and lease losses, total	10,825	10,633	10,333	10,202	10,232	10,237
Loans Receivable
Loans Receivable, individually evaluated for impairment	9,694		17,925
Loans Receivable, collectively evaluated for impairment	966,533		909,174
Loans Receivable, loans acquired with discounts related to credit quality	29,550		33,505
Loans Receivable, Total	1,005,777		960,604
Commercial Portfolio Segment [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, individually evaluated for impairment			300
Allowance for loan and lease losses, collectively evaluated for impairment	2,142		1,398
Allowance for loan and lease losses, total	2,142	2,225	1,698	2,422	2,083	2,424
Loans Receivable
Loans Receivable, individually evaluated for impairment	1,000		1,121
Loans Receivable, collectively evaluated for impairment	242,915		226,450
Loans Receivable, loans acquired with discounts related to credit quality	2,015		2,117
Loans Receivable, Total	245,930		229,688
Commercial Real Estate Portfolio Segment [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, individually evaluated for impairment	335		115
Allowance for loan and lease losses, collectively evaluated for impairment	5,406		5,631
Allowance for loan and lease losses, total	5,741	5,384	5,746	5,333	5,353	5,323
Loans Receivable
Loans Receivable, individually evaluated for impairment	6,683		14,826
Loans Receivable, collectively evaluated for impairment	544,960		505,361
Loans Receivable, loans acquired with discounts related to credit quality	13,754		16,352
Loans Receivable, Total	565,397		536,539
Construction Loans [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, collectively evaluated for impairment	504		362
Allowance for loan and lease losses, total	504	434	362	318	284	313
Loans Receivable
Loans Receivable, collectively evaluated for impairment	45,316		41,493
Loans Receivable, loans acquired with discounts related to credit quality	1,389		1,229
Loans Receivable, Total	46,705		42,722
Residential Portfolio Segment [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, collectively evaluated for impairment	1,011		990
Allowance for loan and lease losses, total	1,011	1,004	990	1,341	1,378	1,532
Loans Receivable
Loans Receivable, individually evaluated for impairment	1,900		1,858
Loans Receivable, collectively evaluated for impairment	132,955		135,031
Loans Receivable, loans acquired with discounts related to credit quality	12,273		13,682
Loans Receivable, Total	147,128		150,571
Consumer Portfolio Segment [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, collectively evaluated for impairment	63		146
Allowance for loan and lease losses, total	63	79	146	29	103	113
Loans Receivable
Loans Receivable, individually evaluated for impairment	111		120
Loans Receivable, collectively evaluated for impairment	387		839
Loans Receivable, loans acquired with discounts related to credit quality	119		125
Loans Receivable, Total	617		1,084
Unallocated Financing Receivables [Member]
Allowance for loan and lease losses:
Allowance for loan and lease losses, collectively evaluated for impairment	1,364		1,391
Allowance for loan and lease losses, total	$ 1,364	$ 1,507	$ 1,391	$ 759	$ 1,031	$ 532