Acquisition (Summary of Fair Value Adjustments of Loans Acquired) (Details) - Landmark Bancorp, Inc. [Member] - USD ($) $ in Thousands	Jul. 01, 2021	Jun. 30, 2021
Business Acquisition [Line Items]
Gross amortized cost basis at June 30, 2021		$ 309,767
Interest rate fair value adjustment on pools of homogeneous loans	$ (1,900)	(1,855)
Credit fair value adjustment on pools of homogeneous loans	(7,900)	(7,915)
Credit fair value adjustment on purchased credit impaired loans		(1,137)
Fair value of acquired loans at June 30, 2021	$ 298,900	$ 298,860