Employee Stock Ownership Plan Employee Stock Ownership Plan (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Employee Stock Ownership Plan [Abstract]
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares	406,371		366,258
Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares	17,786
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	164,036	181,822
Employee Stock Ownership Plan (ESOP), Shares in ESOP	588,193		366,258
Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value	$ 2,871