Employee Benefits Employee Stock Ownership Plan (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Employee Stock Ownership Plan [Abstract]
Employee Stock Ownership Plan (ESOP), Number of Allocated Shares	440,751	447,424
Employee Stock Ownership Plan (ESOP), Number of Committed-to-be-Released Shares	20,855	19,780
Employee Stock Ownership Plan (ESOP), Number of Suspense Shares	66,099	86,954
Employee Stock Ownership Plan (ESOP), Shares in ESOP	527,705	554,158
Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value	$ 1,791	$ 1,679