Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Dec. 31, 2015	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period			$ 13,412				$ 16,038	$ 13,168	$ 13,412	$ 16,038
Provision charged to expense	$ 125	$ 500	350	$ (950)	$ 750	$ 550	950	125	850	1,300
Losses charged off								(1,387)	(1,882)	(4,539)
Recoveries								735	788	613
Allowance for loan losses, End of period	12,641			13,412				12,641	13,168	13,412
Allowance for loan losses, individually evaluated for impairment, Ending balance											$ 100		$ 335
Allowance for loan losses, collectively evaluated for impairment, Ending balance											12,541	$ 13,168	13,077
Total allowance for loan losses	12,641		13,412	13,412			16,038	13,168	13,412	16,038	12,641	13,168	13,412
Loans, individually evaluated for impairment, Ending balance											6,700	7,760	7,457
Loans, collectively evaluated for impairment, Ending balance											1,076,695	1,014,628	982,750
Total loans receivable											1,083,395	1,022,388	990,207
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period			8,148				9,908	7,085	8,148	9,908
Provision charged to expense								(389)	(1,273)	884
Losses charged off								(104)	(289)	(2,713)
Recoveries								498	499	69
Allowance for loan losses, End of period	7,090			8,148				7,090	7,085	8,148
Allowance for loan losses, individually evaluated for impairment, Ending balance											100		335
Allowance for loan losses, collectively evaluated for impairment, Ending balance											6,990	7,085	7,813
Total allowance for loan losses	7,090		8,148	8,148			9,908	7,085	8,148	9,908	7,090	7,085	8,148
Loans, individually evaluated for impairment, Ending balance											5,093	6,622	5,974
Loans, collectively evaluated for impairment, Ending balance											370,589	312,973	283,566
Total loans receivable											375,682	319,595	289,540
Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period			3,124				3,394	3,471	3,124	3,394
Provision charged to expense								(179)	888	343
Losses charged off								(643)	(572)	(886)
Recoveries								34	31	273
Allowance for loan losses, End of period	2,683			3,124				2,683	3,471	3,124
Allowance for loan losses, collectively evaluated for impairment, Ending balance											2,683	3,471	3,124
Total allowance for loan losses	2,683		3,124	3,124			3,394	3,471	3,124	3,394	2,683	3,471	3,124
Loans, individually evaluated for impairment, Ending balance											1,126	1,138	1,483
Loans, collectively evaluated for impairment, Ending balance											490,325	515,925	529,789
Total loans receivable											491,451	517,063	531,272
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period			2,140				2,736	2,612	2,140	2,736
Provision charged to expense								693	1,235	73
Losses charged off								(640)	(1,021)	(940)
Recoveries								203	258	271
Allowance for loan losses, End of period	2,868			2,140				2,868	2,612	2,140
Allowance for loan losses, collectively evaluated for impairment, Ending balance											2,868	2,612	2,140
Total allowance for loan losses	$ 2,868		$ 2,140	$ 2,140			$ 2,736	$ 2,612	$ 2,140	$ 2,736	2,868	2,612	2,140
Loans, individually evaluated for impairment, Ending balance											481
Loans, collectively evaluated for impairment, Ending balance											215,781	185,730	169,395
Total loans receivable											$ 216,262	$ 185,730	$ 169,395