Other Comprehensive Income (Loss) - Reclassification of Available-for-Sale Securities to Held-to-Maturity Securities (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Reclassification of Available-for-Sale Securities to Held-to-maturity Roll Forward [Roll Forward]
Balance at beginning of period	$ (67)	$ 0	$ (48)	$ 0
Net unrealized losses transferred during the period	0	0	0	0
Amortization of net unrealized losses	(13)	0	(27)	0
Related deferred taxes	(4)	0	(9)	0
Net change	(17)	0	(36)	0
Balance at end of period	$ (84)	$ 0	$ (84)	$ 0

Other Comprehensive Income (Loss), Accumulated Unrealized Gain (Loss) on Transfer of Available-for-sale Securities to Held-to-maturity

No definition available.

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Other Comprehensive Income (Loss), Amortization of Net Unrealized Losses on Transfers of Available-for-Sale securities to Held-to-Maturity

No definition available.

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Other Comprehensive Income (Loss), Transfers from Available-for-Sale Securities to Held-to-Maturity, Tax

No definition available.

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Other Comprehensive Income (Loss), Transfers from Available-for-Sale Securities to Held-to-maturity, Net of Tax

No definition available.

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Other Comprehensive Income (Loss), Transfers from Available-for-Sale Securities to Held-to-maturity, before Tax

No definition available.

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Reclassification of Available-for-Sale Securities to Held-to-maturity Roll Forward [Roll Forward]

No definition available.

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