Goodwill and Other Intangibles (Schedule of Components of Goodwill and Other Acquired Intangible Assets) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Goodwill and Intangible Assets [Line Items]
Goodwill, Gross	$ 31,213	$ 15,235
Accumulated Impairment Charges	(2,637)	(2,637)
Accumulated Amortization	(667)	(667)
Goodwill, Total	27,909	11,931
Other intangible assets, Amortizable, Gross Carrying Amount	6,459	2,505
Other intangible assets, Amortizable, Accumulated Impairment Charges	(95)	(95)
Other intangible assets, Amortizable, Accumulated Amortization	(2,313)	(2,111)
Total amortizing intangible assets	4,051	299
Intangible Assets, Gross (Excluding Goodwill)	7,239	3,285
Intangible Assets, Net (Excluding Goodwill), Total	4,831	1,079
Employment Agreements[Member]
Goodwill and Intangible Assets [Line Items]
Other intangible assets, Amortizable, Gross Carrying Amount	440	440
Other intangible assets, Amortizable, Accumulated Amortization	(440)	(440)
Insurance Expirations [Member]
Goodwill and Intangible Assets [Line Items]
Other intangible assets, Amortizable, Gross Carrying Amount	1,270	1,270
Other intangible assets, Amortizable, Accumulated Amortization	(1,268)	(1,233)
Total amortizing intangible assets	$ 2	$ 37
Weighted Average Remaining Life (in years)	0 years	4 months 24 days
Customer Relationships [Member]
Goodwill and Intangible Assets [Line Items]
Other intangible assets, Amortizable, Gross Carrying Amount	$ 795	$ 795
Other intangible assets, Amortizable, Accumulated Impairment Charges	(95)	(95)
Other intangible assets, Amortizable, Accumulated Amortization	(473)	(438)
Total amortizing intangible assets	$ 227	$ 262
Weighted Average Remaining Life (in years)	4 years 10 months 24 days	5 years 7 months 6 days
Core Deposits [Member]
Goodwill and Intangible Assets [Line Items]
Other intangible assets, Amortizable, Gross Carrying Amount	$ 3,954
Other intangible assets, Amortizable, Accumulated Amortization	(132)
Total amortizing intangible assets	$ 3,822
Weighted Average Remaining Life (in years)	9 years 8 months 12 days
Trade Names [Member]
Goodwill and Intangible Assets [Line Items]
Other intangible assets, Unamortizable, Net Carrying Amount	$ 780	$ 780