Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Assets
Cash and cash equivalents	$ 14,374	$ 17,568	$ 11,546
Securities available for sale	101,167	101,560
Total Assets	750,084	692,135
Liabilities and Stockholders' Equity
Long-term borrowed funds	23,500	34,500
Accrued expenses and other liabilities	9,937	8,883
Stockholders' equity	59,091	54,073	52,839
Total Liabilities and Stockholders' Equity	750,084	692,135
Parent Company
Assets
Cash and cash equivalents	53	20	$ 107
Securities available for sale	1,691	2,056
Equity in net assets of subsidiaries	63,194	59,078
Other assets	1,218	982
Total Assets	66,156	62,136
Liabilities and Stockholders' Equity
Short-term borrowed funds with affiliated subsidiary bank	1,000	1,000
Other short-term borrowed funds	2,500	2,500
Long-term borrowed funds	3,500	4,500
Accrued expenses and other liabilities	65	63
Stockholders' equity	59,091	54,073
Total Liabilities and Stockholders' Equity	$ 66,156	$ 62,136