Loans (Troubled Debt Restructurings) (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) contract	Jun. 30, 2015 USD ($) contract	Jun. 30, 2016 USD ($) contract	Jun. 30, 2015 USD ($) contract
Commercial real estate
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 57	$ 24
Financing Receivable Modifications Number Of Contracts During Period | contract	1	1
Financing Receivable Modifications Pre Modification Recorded Investment During Period	$ 57	$ 24
Financing Receivable Modifications Post Modification Recorded Investment During Period	57	24
Originated Loan
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 218	$ 285	$ 1,014	$ 506
Financing Receivable Modifications Number Of Contracts During Period | contract			20	14
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 1,008	$ 508
Financing Receivable Modifications Post Modification Recorded Investment During Period			1,016	509
Financing Receivable, Modifications, Number of Contracts | contract	11	8
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 210	$ 286
Financing Receivable, Modifications, Post-Modification Recorded Investment	218	286
Originated Loan | Commercial real estate
Financing Receivable, Modifications [Line Items]
Total Recorded Investment			$ 57
Financing Receivable Modifications Number Of Contracts During Period | contract			1
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 57
Financing Receivable Modifications Post Modification Recorded Investment During Period			57
Originated Loan | Residential real estate
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 36	$ 184	$ 120	$ 184
Financing Receivable Modifications Number Of Contracts During Period | contract		2	3	2
Financing Receivable Modifications Pre Modification Recorded Investment During Period		$ 184	$ 120	$ 184
Financing Receivable Modifications Post Modification Recorded Investment During Period		184	120	184
Financing Receivable, Modifications, Number of Contracts | contract	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 36
Financing Receivable, Modifications, Post-Modification Recorded Investment	36
Originated Loan | Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 11	$ 91	$ 10	$ 306
Financing Receivable Modifications Number Of Contracts During Period | contract	1		1	9
Financing Receivable Modifications Pre Modification Recorded Investment During Period	$ 11		$ 11	$ 308
Financing Receivable Modifications Post Modification Recorded Investment During Period	11		11	309
Financing Receivable, Modifications, Number of Contracts | contract		4
Financing Receivable, Modifications, Pre-Modification Recorded Investment		$ 92
Financing Receivable, Modifications, Post-Modification Recorded Investment		92
Originated Loan | Consumer, indirect
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 72		$ 82	$ 6
Financing Receivable Modifications Number Of Contracts During Period | contract			5	1
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 83	$ 6
Financing Receivable Modifications Post Modification Recorded Investment During Period			83	6
Financing Receivable, Modifications, Number of Contracts | contract	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 72
Financing Receivable, Modifications, Post-Modification Recorded Investment	72
Originated Loan | Consumer, other
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 12		$ 14	$ 10
Financing Receivable Modifications Number Of Contracts During Period | contract			4	2
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 15	$ 10
Financing Receivable Modifications Post Modification Recorded Investment During Period			15	10
Financing Receivable, Modifications, Number of Contracts | contract	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 12
Financing Receivable, Modifications, Post-Modification Recorded Investment	12
Originated Loan | Consumer, other
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 84	$ 10	$ 96	$ 16
Financing Receivable Modifications Number Of Contracts During Period | contract			9	3
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 98	$ 16
Financing Receivable Modifications Post Modification Recorded Investment During Period			98	$ 16
Financing Receivable, Modifications, Number of Contracts | contract	6	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 84	$ 10
Financing Receivable, Modifications, Post-Modification Recorded Investment	84	10
Originated Loan | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 30		$ 731
Financing Receivable, Modifications, Number of Contracts | contract	2		6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 22		$ 722
Financing Receivable, Modifications, Post-Modification Recorded Investment	30		$ 730
Acquired Loans
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract			0	2
Total Recorded Investment	$ 723	$ 67	$ 1,057	$ 67
Financing Receivable Modifications Number Of Contracts During Period | contract			20	4
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 1,063	$ 67
Financing Receivable Modifications Post Modification Recorded Investment During Period			1,065	67
Financing Receivable, Modifications, Number of Contracts | contract	14	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 728	$ 67
Financing Receivable, Modifications, Post-Modification Recorded Investment	728	67
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			0	196
Financing Receivable, Modifications, Subsequent Default, Determination of Allowance for Credit Losses, Amount			0	0
Acquired Loans | Commercial real estate
Financing Receivable, Modifications [Line Items]
Total Recorded Investment				$ 24
Financing Receivable Modifications Number Of Contracts During Period | contract				1
Financing Receivable Modifications Pre Modification Recorded Investment During Period				$ 24
Financing Receivable Modifications Post Modification Recorded Investment During Period				24
Acquired Loans | Residential real estate
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 516	$ 35	$ 846	$ 35
Financing Receivable Modifications Number Of Contracts During Period | contract			10	2
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 850	$ 35
Financing Receivable Modifications Post Modification Recorded Investment During Period			852	35
Financing Receivable, Modifications, Number of Contracts | contract	5	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 519	$ 35
Financing Receivable, Modifications, Post-Modification Recorded Investment	519	35
Acquired Loans | Home equity lines of credit
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 177	$ 8	$ 177	$ 8
Financing Receivable Modifications Number Of Contracts During Period | contract			3	1
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 179	$ 8
Financing Receivable Modifications Post Modification Recorded Investment During Period			179	$ 8
Financing Receivable, Modifications, Number of Contracts | contract	3	1
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 179	$ 8
Financing Receivable, Modifications, Post-Modification Recorded Investment	179	$ 8
Acquired Loans | Consumer, indirect
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 9		$ 10
Financing Receivable Modifications Number Of Contracts During Period | contract			2
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 10
Financing Receivable Modifications Post Modification Recorded Investment During Period			10
Financing Receivable, Modifications, Number of Contracts | contract	2
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 9
Financing Receivable, Modifications, Post-Modification Recorded Investment	9
Acquired Loans | Consumer, other
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 21		$ 24
Financing Receivable Modifications Number Of Contracts During Period | contract			5
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 24
Financing Receivable Modifications Post Modification Recorded Investment During Period			24
Financing Receivable, Modifications, Number of Contracts | contract	4
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 21
Financing Receivable, Modifications, Post-Modification Recorded Investment	21
Acquired Loans | Consumer, other
Financing Receivable, Modifications [Line Items]
Total Recorded Investment	$ 30		$ 34
Financing Receivable Modifications Number Of Contracts During Period | contract			7
Financing Receivable Modifications Pre Modification Recorded Investment During Period			$ 34
Financing Receivable Modifications Post Modification Recorded Investment During Period			$ 34
Financing Receivable, Modifications, Number of Contracts | contract	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment	$ 30
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 30
Acquired Loans | Commercial and industrial
Financing Receivable, Modifications [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | contract			0	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment			$ 0	$ 196
Financing Receivable, Modifications, Subsequent Default, Determination of Allowance for Credit Losses, Amount			$ 0	$ 0