Stockholders' Equity and Earnings per Common Share (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Available-for-sale securities [Abstract]
Tax benefit	$ 121	$ 107
Net income	1,205	977
Other comprehensive income, pretax [Abstract]
Unrealized holding gains (losses) arising during the period	138	2,351
Less reclassification adjustment for gains recognized in income	0	0
Net unrealized gains (losses) on securities	138	2,351
Amortization	214	191
Net effect of market adjustment on securities transferred to held-to-maturity	214	191
Total change in other comprehensive income or loss	352	2,542
Other comprehensive income tax expense (benefit) [Abstract]
Unrealized holding losses arising during the period	47	799
Tax effect	0	0
Net unrealized losses on securities	47	799
Amortization tax	73	65
Net effect of market adjustment on securities transferred to held-to-maturity	73	65
Other Comprehensive Income (Loss), Tax, Total	120	864
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Unrealized holding losses arising during the period	91	1,552
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	0	0
Net unrealized gains on securities	91	1,552
Amortization net of tax	141	126
Net effect of market adjustment on securities transferred to held-to-maturity	141	126
Other Comprehensive Income (Loss), Net of Tax, Total	232	1,678
Gain on Sale of Available-For-Sale Securities, Net [Member]
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Other Comprehensive Income (Loss), Net of Tax, Total	91	1,552
Gain on Sale of Available-For-Sale Securities, Net [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Other comprehensive income, pretax [Abstract]
Amortization	(214)	(191)
Other comprehensive income tax expense (benefit) [Abstract]
Amortization tax	(73)	(65)
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Amortization net of tax	$ (141)	$ (126)