Loans (Recorded Investment in Home Equity, Consumer and Residential Mortgage Loans Based on Payment Activity) (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013		Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 1,289,707	[1]	$ 1,213,423	[2]
Loans Acquired With Deteriorated Credit Quality	8,624		10,877
Home Equity Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	75,278	[1]	74,699	[2]
Loans Acquired With Deteriorated Credit Quality	0		0
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	46,879	[1]	41,231	[2]
Loans Acquired With Deteriorated Credit Quality	138		148
Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	107,931	[1]	88,815	[2]
Loans Acquired With Deteriorated Credit Quality	147		149
Performing [Member] | Home Equity Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	75,129		74,521
Performing [Member] | Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	46,690		41,064
Performing [Member] | Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	107,863		88,558
Nonperforming [Member] | Home Equity Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	149		178
Nonperforming [Member] | Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	189		167
Nonperforming [Member] | Residential Mortgage Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans	$ 68		$ 257

[1] Total recorded investment in loans includes $5,417 in accrued interest.

[2] Total recorded investment in loans includes $5,522 in accrued interest.