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Investments (Unrealized Gain (Loss) on Investments) (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Schedule of Investments [Line Items]
Amortized Cost	$ 148,998	$ 153,552
Gross Unrealized Gains	178	367
Gross Unrealized Losses	6,873	7,449
Investment securities - available-for-sale (at fair value)	142,303	146,470
OTTI in AOCI	(1,209)	(3,389)
Held-to-maturity amortized cost	90,295	93,632
Held-to-maturity Gross Unrealized Gains	989	2,220
Held-to-maturity gross unrealized losses	2,042	506
Investment securities - HTM	89,242	95,346
Held-to-maturity OTTI in AOCI	0	0
US government agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	30,000	30,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,249	744
Investment securities - available-for-sale (at fair value)	28,751	29,256
OTTI in AOCI	0	0
Held-to-maturity amortized cost	15,946	15,876
Held-to-maturity Gross Unrealized Gains	0	447
Held-to-maturity gross unrealized losses	12	0
Investment securities - HTM	15,934	16,323
Held-to-maturity OTTI in AOCI	0	0
Residential mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Held-to-maturity amortized cost	45,297	47,771
Held-to-maturity Gross Unrealized Gains	9	94
Held-to-maturity gross unrealized losses	1,451	423
Investment securities - HTM	43,855	47,442
Held-to-maturity OTTI in AOCI	0	0
Commercial mortgage-backed agencies [Member]
Schedule of Investments [Line Items]
Amortized Cost	40,450	41,771
Gross Unrealized Gains	0	0
Gross Unrealized Losses	1,607	880
Investment securities - available-for-sale (at fair value)	38,843	40,891
OTTI in AOCI	0	0
Held-to-maturity amortized cost	16,643	17,288
Held-to-maturity Gross Unrealized Gains	0	236
Held-to-maturity gross unrealized losses	227	6
Investment securities - HTM	16,416	17,518
Held-to-maturity OTTI in AOCI	0	0
Collateralized mortgage obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	39,103	41,298
Gross Unrealized Gains	0	2
Gross Unrealized Losses	1,478	916
Investment securities - available-for-sale (at fair value)	37,625	40,384
OTTI in AOCI	0	0
Held-to-maturity amortized cost	3,989	4,187
Held-to-maturity Gross Unrealized Gains	0	0
Held-to-maturity gross unrealized losses	218	69
Investment securities - HTM	3,771	4,118
Held-to-maturity OTTI in AOCI	0	0
Obligations of states and political subdivisions [Member]
Schedule of Investments [Line Items]
Amortized Cost	21,088	20,772
Gross Unrealized Gains	178	365
Gross Unrealized Losses	329	118
Investment securities - available-for-sale (at fair value)	20,937	21,019
OTTI in AOCI	0	0
Held-to-maturity amortized cost	8,420	8,510
Held-to-maturity Gross Unrealized Gains	980	1,443
Held-to-maturity gross unrealized losses	134	8
Investment securities - HTM	9,266	9,945
Held-to-maturity OTTI in AOCI	0	0
Collateralized debt obligations [Member]
Schedule of Investments [Line Items]
Amortized Cost	18,357	19,711
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,210	4,791
Investment securities - available-for-sale (at fair value)	16,147	14,920
OTTI in AOCI	$ (1,209)	$ (3,389)

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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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