Loans (Loans By Risk Category) (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	$ 2,105,115	$ 2,072,440
Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	2,105,115	2,072,440
Pass Rated (Grades 1 - 4) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,115,330	1,099,592
Watch (Grade 5) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	61,959	61,832
Substandard (Grade 6) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	56,807	59,857
Doubtful (Grade 7) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	602	458
Not Rated | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	870,417	850,701
Originated Loan | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	69,499	63,785
Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	471,998	471,184
Originated Loan | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	541,497	534,969
Originated Loan | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	308,649	288,130
Originated Loan | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	302,512	288,783
Originated Loan | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	76,959	74,176
Originated Loan | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	245,596	227,133
Originated Loan | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	2,083	1,448
Originated Loan | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,477,296	1,414,639
Originated Loan | Pass Rated (Grades 1 - 4) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	67,813	62,225
Originated Loan | Pass Rated (Grades 1 - 4) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	442,631	434,868
Originated Loan | Pass Rated (Grades 1 - 4) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	510,444	497,093
Originated Loan | Pass Rated (Grades 1 - 4) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	269,170	259,183
Originated Loan | Pass Rated (Grades 1 - 4) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	21,766	21,903
Originated Loan | Pass Rated (Grades 1 - 4) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	780	785
Originated Loan | Pass Rated (Grades 1 - 4) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	215	208
Originated Loan | Pass Rated (Grades 1 - 4) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Pass Rated (Grades 1 - 4) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	802,375	779,172
Originated Loan | Watch (Grade 5) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Watch (Grade 5) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	13,209	18,710
Originated Loan | Watch (Grade 5) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	13,209	18,710
Originated Loan | Watch (Grade 5) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	32,857	23,601
Originated Loan | Watch (Grade 5) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,176	1,168
Originated Loan | Watch (Grade 5) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Watch (Grade 5) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Watch (Grade 5) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Watch (Grade 5) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	47,242	43,479
Originated Loan | Substandard (Grade 6) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	891	913
Originated Loan | Substandard (Grade 6) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	16,158	17,595
Originated Loan | Substandard (Grade 6) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	17,049	18,508
Originated Loan | Substandard (Grade 6) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	6,618	5,344
Originated Loan | Substandard (Grade 6) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	12,184	12,282
Originated Loan | Substandard (Grade 6) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	170	175
Originated Loan | Substandard (Grade 6) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	2	3
Originated Loan | Substandard (Grade 6) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Substandard (Grade 6) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	36,023	36,312
Originated Loan | Doubtful (Grade 7) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	200	187
Originated Loan | Doubtful (Grade 7) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Originated Loan | Doubtful (Grade 7) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	200	187
Originated Loan | Not Rated | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	795	647
Originated Loan | Not Rated | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	11
Originated Loan | Not Rated | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	795	658
Originated Loan | Not Rated | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	4	2
Originated Loan | Not Rated | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	267,186	253,243
Originated Loan | Not Rated | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	76,009	73,216
Originated Loan | Not Rated | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	245,379	226,922
Originated Loan | Not Rated | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	2,083	1,448
Originated Loan | Not Rated | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	591,456	555,489
Acquired Loans | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	11,882	12,114
Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	256,201	265,092
Acquired Loans | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	268,083	277,206
Acquired Loans | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	59,161	63,589
Acquired Loans | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	263,237	276,772
Acquired Loans | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	30,742	32,253
Acquired Loans | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	6,596	7,981
Acquired Loans | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	627,819	657,801
Acquired Loans | Pass Rated (Grades 1 - 4) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	11,882	12,114
Acquired Loans | Pass Rated (Grades 1 - 4) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	224,941	233,630
Acquired Loans | Pass Rated (Grades 1 - 4) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	236,823	245,744
Acquired Loans | Pass Rated (Grades 1 - 4) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	56,978	56,077
Acquired Loans | Pass Rated (Grades 1 - 4) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	18,596	18,027
Acquired Loans | Pass Rated (Grades 1 - 4) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	322	316
Acquired Loans | Pass Rated (Grades 1 - 4) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	236	256
Acquired Loans | Pass Rated (Grades 1 - 4) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Pass Rated (Grades 1 - 4) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	312,955	320,420
Acquired Loans | Watch (Grade 5) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Watch (Grade 5) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	13,924	13,866
Acquired Loans | Watch (Grade 5) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	13,924	13,866
Acquired Loans | Watch (Grade 5) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	123	3,078
Acquired Loans | Watch (Grade 5) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	670	1,409
Acquired Loans | Watch (Grade 5) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Watch (Grade 5) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Watch (Grade 5) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Watch (Grade 5) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	14,717	18,353
Acquired Loans | Substandard (Grade 6) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Substandard (Grade 6) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	17,262	17,521
Acquired Loans | Substandard (Grade 6) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	17,262	17,521
Acquired Loans | Substandard (Grade 6) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,732	4,238
Acquired Loans | Substandard (Grade 6) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	1,790	1,786
Acquired Loans | Substandard (Grade 6) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Substandard (Grade 6) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Substandard (Grade 6) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Substandard (Grade 6) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	20,784	23,545
Acquired Loans | Doubtful (Grade 7) | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Doubtful (Grade 7) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	74	75
Acquired Loans | Doubtful (Grade 7) | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	74	75
Acquired Loans | Doubtful (Grade 7) | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	328	196
Acquired Loans | Doubtful (Grade 7) | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Doubtful (Grade 7) | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Doubtful (Grade 7) | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Doubtful (Grade 7) | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Doubtful (Grade 7) | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	402	271
Acquired Loans | Not Rated | Commercial real estate, construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Not Rated | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Not Rated | Commercial real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Not Rated | Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Not Rated | Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	242,181	255,550
Acquired Loans | Not Rated | Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	30,420	31,937
Acquired Loans | Not Rated | Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	6,360	7,725
Acquired Loans | Not Rated | Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	0	0
Acquired Loans | Not Rated | Total Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, net of deferred fees and costs	$ 278,961	$ 295,212