Mergers and Acquisitions Mergers and Acquisitions (Details Textual) - Treasure State Bank	9 Months Ended
	Sep. 30, 2016 USD ($) shares
Business Acquisition
Effective Date of Acquisition	Aug. 31, 2016
Percentage of Outstanding Common Stock Acquired	100.00%
Business Combination, Consideration Transferred	$ 13,940,000
Number of Shares Issued for Aquisition | shares	349,545
Cash consideration for outstanding shares	$ 3,475,000
Loans receivable	51,875,000
Loans Receivable Acquired, Gross Principal and Contractual Interest Due	54,819,000
Core deposit intangible	$ 762,000
Core Deposit Intangible Assets, Weighted Average Useful Life	10 years
Third-party Acquisition Related Costs	$ 302,000
Net interest income and non-interest income	336,000
Net income	$ 59,000