Securities - Related Gross Unrealized Gains and Losses and Amortized Cost (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 160,311	$ 172,480
Gross Unrealized Gains	613	194
Gross Unrealized Losses	(342)	(1,234)
Securities available-for-sale	160,582	171,440
U.S. government agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		14,629
Gross Unrealized Gains		13
Gross Unrealized Losses		(35)
Securities available-for-sale		14,607
States and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	13,074	10,190
Gross Unrealized Gains	72	16
Gross Unrealized Losses	(16)	(25)
Securities available-for-sale	13,130	10,181
U.S. government agency residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	128,196	127,039
Gross Unrealized Gains	218	7
Gross Unrealized Losses	(326)	(1,017)
Securities available-for-sale	128,088	126,029
Collateralized residential mortgage obligations: Agency
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	16,382	17,990
Gross Unrealized Gains	71	0
Gross Unrealized Losses	0	(157)
Securities available-for-sale	16,453	17,833
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,659	2,632
Gross Unrealized Gains	252	158
Gross Unrealized Losses	0	0
Securities available-for-sale	$ 2,911	$ 2,790

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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Amount before tax of unrealized gain in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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-Publisher FASB
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Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale.

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