Loans (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 35,321	$ 41,385	$ 37,647
Unpaid Principal Balance	35,334	41,400	37,659
Related Allowance	1,327	524	1,404
Average Impaired Balance	36,060	41,274	37,895
Interest Income Recognized while impaired	1,530	1,387	1,324
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	264	798	285
Without a related allowance, Unpaid Principal Balance	264	798	285
Without a related allowance, Average Impaired Balance	269	199	247
Without a related allowance, Interest Income Recognized while impaired	10	9	10
With a related allowance, Recorded Investment	267	19	0
With a related allowance, Unpaid Principal Balance	267	19	0
With a related allowance, Related Allowance	267	19	0
With a related allowance, Average Impaired Balance	269	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	498	5,305	520
Without a related allowance, Unpaid Principal Balance	498	5,305	520
Without a related allowance, Average Impaired Balance	504	5,375	534
Without a related allowance, Interest Income Recognized while impaired	29	208	31
With a related allowance, Recorded Investment	6,817	2,882	6,864
With a related allowance, Unpaid Principal Balance	6,817	2,882	6,864
With a related allowance, Related Allowance	196	13	347
With a related allowance, Average Impaired Balance	6,832	2,906	6,879
With a related allowance, Interest Income Recognized while impaired	278	112	269
Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	9,848	10,469	10,203
Without a related allowance, Unpaid Principal Balance	9,849	10,470	10,205
Without a related allowance, Average Impaired Balance	10,563	10,912	10,675
Without a related allowance, Interest Income Recognized while impaired	518	297	294
With a related allowance, Recorded Investment	0	1,859	1,311
With a related allowance, Unpaid Principal Balance	0	1,859	1,311
With a related allowance, Related Allowance	0	144	197
With a related allowance, Average Impaired Balance	0	1,850	1,327
With a related allowance, Interest Income Recognized while impaired	0	72	43
Land and Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,601	7,364	5,227
Without a related allowance, Unpaid Principal Balance	4,601	7,365	5,227
Without a related allowance, Average Impaired Balance	4,891	7,408	5,270
Without a related allowance, Interest Income Recognized while impaired	94	162	80
With a related allowance, Recorded Investment	1,475	1,153	2,066
With a related allowance, Unpaid Principal Balance	1,476	1,153	2,066
With a related allowance, Related Allowance	531	141	585
With a related allowance, Average Impaired Balance	1,487	1,152	2,074
With a related allowance, Interest Income Recognized while impaired	56	0	80
Construction [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0	0
Without a related allowance, Unpaid Principal Balance	0	0	0
Without a related allowance, Average Impaired Balance	0	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0	0
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Non-Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,330	3,866	4,055
Without a related allowance, Unpaid Principal Balance	4,340	3,880	4,065
Without a related allowance, Average Impaired Balance	4,093	3,780	3,910
Without a related allowance, Interest Income Recognized while impaired	198	169	193
With a related allowance, Recorded Investment	2,209	2,331	2,055
With a related allowance, Unpaid Principal Balance	2,211	2,332	2,057
With a related allowance, Related Allowance	315	179	251
With a related allowance, Average Impaired Balance	2,127	2,335	1,851
With a related allowance, Interest Income Recognized while impaired	105	112	78
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	3,610	3,713	3,640
Without a related allowance, Unpaid Principal Balance	3,608	3,711	3,639
Without a related allowance, Average Impaired Balance	3,617	3,725	3,693
Without a related allowance, Interest Income Recognized while impaired	172	177	175
With a related allowance, Recorded Investment	846	864	853
With a related allowance, Unpaid Principal Balance	846	864	853
With a related allowance, Related Allowance	18	28	24
With a related allowance, Average Impaired Balance	849	866	862
With a related allowance, Interest Income Recognized while impaired	42	43	44
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	523	709	524
Without a related allowance, Unpaid Principal Balance	523	709	523
Without a related allowance, Average Impaired Balance	523	709	523
Without a related allowance, Interest Income Recognized while impaired	25	21	22
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0	0
Without a related allowance, Unpaid Principal Balance	0	0	0
Without a related allowance, Average Impaired Balance	0	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0	0
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	33	53	44
Without a related allowance, Unpaid Principal Balance	34	53	44
Without a related allowance, Average Impaired Balance	36	57	50
Without a related allowance, Interest Income Recognized while impaired	3	5	5
With a related allowance, Recorded Investment	0	0	0
With a related allowance, Unpaid Principal Balance	0	0	0
With a related allowance, Related Allowance	0	0	0
With a related allowance, Average Impaired Balance	0	0	0
With a related allowance, Interest Income Recognized while impaired	0	0	0
Total Without a Related Allowance
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	23,707	32,277	24,498
Without a related allowance, Unpaid Principal Balance	23,717	32,291	24,508
Without a related allowance, Average Impaired Balance	24,496	32,165	24,902
Without a related allowance, Interest Income Recognized while impaired	1,049	1,048	810
Total With a Related Allowance
Financing Receivable, Impaired [Line Items]
With a related allowance, Recorded Investment	11,614	9,108	13,149
With a related allowance, Unpaid Principal Balance	11,617	9,109	13,151
With a related allowance, Related Allowance	1,327	524	1,404
With a related allowance, Average Impaired Balance	11,564	9,109	12,993
With a related allowance, Interest Income Recognized while impaired	481	339	514
Total Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	23,770	29,849	26,476
Unpaid Principal Balance	23,772	29,851	26,478
Related Allowance	994	317	1,129
Average Impaired Balance	24,815	29,802	27,006
Interest Income Recognized while impaired	985	860	807
Total Residential Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment	11,518	11,483	11,127
Unpaid Principal Balance	11,528	11,496	11,137
Related Allowance	333	207	275
Average Impaired Balance	11,209	11,415	10,839
Interest Income Recognized while impaired	542	522	512
Total Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment	33	53	44
Unpaid Principal Balance	34	53	44
Related Allowance	0	0	0
Average Impaired Balance	36	57	50
Interest Income Recognized while impaired	$ 3	$ 5	$ 5

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