Emclaire Financial Corp - Condensed Financial Statements, Parent Corporation Only - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Operating activities:
Net income	$ 3,986	$ 4,154
Adjustments to reconcile net income to net cash provided by operating activities:
Realized gains on sales of available for sale securities, net	(82)	(854)
Net cash provided by operating activities	5,660	3,419
Investing activities:
Net cash used in investing activities	(14,513)	(20,822)
Financing activities:
Proceeds from issuance of common stock	4	8,151
Redemption of preferred stock (Series B)	0	(5,000)
Dividends paid	(2,232)	(1,957)
Net cash provided by financing activities	14,875	17,093
Net increase (decrease) in cash and cash equivalents	6,022	(310)
Cash and cash equivalents at beginning of period	11,546	11,856
Cash and cash equivalents at end of period	17,568	11,546
Parent Company
Operating activities:
Net income	3,986	4,154
Adjustments to reconcile net income to net cash provided by operating activities:
Undistributed equity in net income of subsidiary	(1,244)	(1,688)
Realized gains on sales of available for sale securities, net	0	(298)
Other, net	(101)	134
Net cash provided by operating activities	2,641	2,302
Investing activities:
Sales (purchases) of investment securities	0	885
Investment in subsidiaries	(7,500)	(1,000)
Net cash used in investing activities	(7,500)	(115)
Financing activities:
Net change in borrowings	7,000	(3,375)
Proceeds from issuance of common stock	4	8,151
Redemption of preferred stock (Series B)	0	(5,000)
Proceeds from exercise of stock options, including tax benefit	0	81
Dividends paid	(2,232)	(1,957)
Net cash provided by financing activities	4,772	(2,100)
Net increase (decrease) in cash and cash equivalents	(87)	87
Cash and cash equivalents at beginning of period	107	20
Cash and cash equivalents at end of period	$ 20	$ 107