Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule of Investments [Line Items]
Amortized Cost	$ 146,204	$ 149,561
Gross Unrealized Gains	333	269
Gross Unrealized Losses	9,600	9,830
Investment securities - available-for-sale (at fair value)	136,937	140,000
OTTI in AOCI	(3,797)	(3,961)
Held-to-maturity amortized cost	98,019	97,169
Held-to-maturity Gross Unrealized Gains	1,432	1,410
Held-to-maturity gross unrealized losses	535	598
Investment securities - HTM	98,916	97,981
Held-to-maturity OTTI in AOCI	0	0
US government agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	25,000	25,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	703	747
Investment securities - available-for-sale (at fair value)	24,297	24,253
OTTI in AOCI	0	0
Held-to-maturity amortized cost	15,772	15,738
Held-to-maturity Gross Unrealized Gains	518	512
Held-to-maturity gross unrealized losses	0	0
Investment securities - HTM	16,290	16,250
Held-to-maturity OTTI in AOCI	0	0
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Held-to-maturity amortized cost	51,515	50,384
Held-to-maturity Gross Unrealized Gains	145	160
Held-to-maturity gross unrealized losses	348	279
Investment securities - HTM	51,312	50,265
Held-to-maturity OTTI in AOCI	0	0
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	51,321	52,978
Gross Unrealized Gains	0	1
Gross Unrealized Losses	927	757
Investment securities - available-for-sale (at fair value)	50,394	52,222
OTTI in AOCI	0	0
Held-to-maturity amortized cost	17,509	17,584
Held-to-maturity Gross Unrealized Gains	252	248
Held-to-maturity gross unrealized losses	0	0
Investment securities - HTM	17,761	17,832
Held-to-maturity OTTI in AOCI	0	0
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	19,670	19,953
Gross Unrealized Gains	11	13
Gross Unrealized Losses	370	399
Investment securities - available-for-sale (at fair value)	19,311	19,567
OTTI in AOCI	0	0
Held-to-maturity amortized cost	4,593	4,833
Held-to-maturity Gross Unrealized Gains	0	0
Held-to-maturity gross unrealized losses	102	149
Investment securities - HTM	4,491	4,684
Held-to-maturity OTTI in AOCI	0	0
Obligations of states and political subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	22,423	23,700
Gross Unrealized Gains	322	255
Gross Unrealized Losses	167	251
Investment securities - available-for-sale (at fair value)	22,578	23,704
OTTI in AOCI	0	0
Held-to-maturity amortized cost	8,630	8,630
Held-to-maturity Gross Unrealized Gains	517	490
Held-to-maturity gross unrealized losses	85	170
Investment securities - HTM	9,062	8,950
Held-to-maturity OTTI in AOCI	0	0
Collateralized debt obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	27,790	27,930
Gross Unrealized Gains	0	0
Gross Unrealized Losses	7,433	7,676
Investment securities - available-for-sale (at fair value)	20,357	20,254
OTTI in AOCI	$ (3,797)	$ (3,961)

Accumulated other comprehensive loss related to portion of other than temporary impairment (OTTI) due to factors other than credit losses on debt securities categorized as available-for-sale that an entity does not intend to sell and which it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis of the debt security. The amount represented by this item is net of tax, as applicable.

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