Loans (Activity in Allowance for Loan Losses by Portfolio Segment) (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	$ 13,217,000	$ 13,370,000	$ 13,168,000	$ 13,412,000	$ 13,412,000
Provision charged (credited) to expense		500,000		850,000	850,000
Losses charged off	(502,000)	(765,000)	(712,000)	(1,212,000)	(1,882,000)
Recoveries	191,000	138,000	450,000	193,000	788,000
Allowance for loan losses, End of period	12,906,000	13,243,000	12,906,000	13,243,000	13,168,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance						$ 12,906,000	$ 13,168,000	$ 13,243,000
Total allowance for loan losses	13,217,000	13,370,000	13,168,000	13,412,000	13,412,000	12,906,000	13,168,000	13,243,000
Loans, individually evaluated for impairment, Ending balance						7,645,000
Loans, collectively evaluated for impairment, Ending balance						1,035,320,000
Total loans receivable						1,042,965,000	1,022,388,000
Commercial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	6,894,000	7,899,000	7,085,000	8,148,000	8,148,000
Provision charged (credited) to expense	(201,000)	78,000	(597,000)	(187,000)	(1,273,000)
Losses charged off		(244,000)		(244,000)	(289,000)
Recoveries	132,000	30,000	337,000	46,000	499,000
Allowance for loan losses, End of period	6,825,000	7,763,000	6,825,000	7,763,000	7,085,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance						6,825,000	7,085,000	7,763,000
Total allowance for loan losses	6,894,000	7,899,000	7,085,000	8,148,000	8,148,000	6,825,000	7,085,000	7,763,000
Loans, individually evaluated for impairment, Ending balance						6,042,000
Loans, collectively evaluated for impairment, Ending balance						329,305,000
Total loans receivable						335,347,000
Mortgage [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	3,567,000	3,305,000	3,471,000	3,124,000	3,124,000
Provision charged (credited) to expense	48,000	208,000	236,000	465,000	888,000
Losses charged off	(297,000)	(170,000)	(390,000)	(250,000)	(572,000)
Recoveries		1,000	1,000	5,000	31,000
Allowance for loan losses, End of period	3,318,000	3,344,000	3,318,000	3,344,000	3,471,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance						3,318,000	3,471,000	3,344,000
Total allowance for loan losses	3,567,000	3,305,000	3,471,000	3,124,000	3,124,000	3,318,000	3,471,000	3,344,000
Loans, individually evaluated for impairment, Ending balance						1,603,000
Loans, collectively evaluated for impairment, Ending balance						503,586,000
Total loans receivable						505,189,000
Consumer Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan losses, Beginning of period	2,756,000	2,166,000	2,612,000	2,140,000	2,140,000
Provision charged (credited) to expense	153,000	214,000	361,000	572,000	1,235,000
Losses charged off	(205,000)	(351,000)	(322,000)	(718,000)	(1,021,000)
Recoveries	59,000	107,000	112,000	142,000	258,000
Allowance for loan losses, End of period	2,763,000	2,136,000	2,763,000	2,136,000	2,612,000
Allowance for loan losses, collectively evaluated for impairment, Ending balance						2,763,000	2,612,000	2,136,000
Total allowance for loan losses	$ 2,756,000	$ 2,166,000	$ 2,612,000	$ 2,140,000	$ 2,140,000	2,763,000	$ 2,612,000	$ 2,136,000
Loans, collectively evaluated for impairment, Ending balance						202,429,000
Total loans receivable						$ 202,429,000