Securities - Related Gross Unrealized Gains and Losses and Amortized Cost (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 172,480,000	$ 134,945,000
Gross Unrealized Gains	194,000	822,000
Gross Unrealized Losses	(1,234,000)	(396,000)
Securities available-for-sale	171,440,000	135,371,000
U.S. government agencies
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	14,629,000	21,274,000
Gross Unrealized Gains	13,000	6,000
Gross Unrealized Losses	(35,000)	(171,000)
Securities available-for-sale	14,607,000	21,109,000
States and political subdivisions
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	10,190,000	8,951,000
Gross Unrealized Gains	16,000	78,000
Gross Unrealized Losses	(25,000)	(1,000)
Securities available-for-sale	10,181,000	9,028,000
U.S. government agency residential mortgage-backed securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	127,039,000	99,338,000
Gross Unrealized Gains	7,000	551,000
Gross Unrealized Losses	(1,017,000)	(221,000)
Securities available-for-sale	126,029,000	99,668,000
Collateralized residential mortgage obligations: Agency
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	17,990,000	38,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	(157,000)	0
Securities available-for-sale	17,833,000	38,000
Equity securities
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	2,632,000	2,579,000
Gross Unrealized Gains	158,000	157,000
Gross Unrealized Losses	0	0
Securities available-for-sale	2,790,000	2,736,000
Collateralized debt obligations: Single issue
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost		765,000
Gross Unrealized Gains		0
Gross Unrealized Losses		(3,000)
Securities available-for-sale	0	762,000
Corporate
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	0	2,000,000
Gross Unrealized Gains	0	30,000
Gross Unrealized Losses	0	0
Securities available-for-sale	$ 0	$ 2,030,000

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
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=51813488&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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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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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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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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