Note 2 - Acquisition of Peoples Bancorp, Inc. of Bullitt County - Summary of Assets Acquired and Liabilities Assumed (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015	Dec. 04, 2015
Interest-bearing deposits with banks	$ 1,865,000	$ 3,635,000
Mortgage Loans in Process of Foreclosure, Amount	793,000	313,000
Cash value of life insurance	7,082,000	6,899,000
Goodwill	6,472,000	6,472,000
Deposit accounts	$ 664,650,000	$ 637,177,000
Peoples Bancorp, Inc [Member]
Cash and cash equivalents			$ 33,458,000
Interest-bearing deposits with banks			4,980,000
Investment securities			131,959,000
Loans			55,727,000
FHLB and other stock			1,295,000
Mortgage Loans in Process of Foreclosure, Amount			4,349,000
Premises and equipment			3,465,000
Cash value of life insurance			828,000
Goodwill			1,085,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			1,418,000
Other assets			1,886,000
Total assets acquired			240,450,000
Deposit accounts			209,084,000
Net deferred tax liability			17,000
Other liabilities			1,846,000
Total liabilities assumed			210,947,000
Total consideration			$ 29,503,000