Merger and Acquisition Activity (Details Narrative) (USD $) In Thousands, unless otherwise specified			0 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jun. 14, 2012 Marathon State Bank	Jun. 01, 2012 Marathon State Bank	Jan. 22, 2014 Rhinelander, Baraboo National Bank
Total fair value of assets acquired				$ 107,364
Accounting date			Jun. 01, 2012
Marathon State Bank book equity ratio as percent of assets prior to acquisition				6.00%
Percentage of tangible net book value			100.00%
Credit Markdown on Acquired Loan Portfolio			490
Credit Markdown on Acquired Loan Portfolio, percentage			2.05%
Purchased Impaired Loan Balance				310
Write-down, impaired loans			21
Deposit premium to be paid for purchase					1.65%
Loans receivable	509,880	477,991		23,760	22,000
Total deposits	$ 577,514	$ 565,442			$ 44,000