Employee Benefit Plans - Pension Plan Assets Measured and Recorded at Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 9,331	$ 9,368	$ 6,851
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,626	1,429
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	7,705	7,939
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Money markets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	870	757
Money markets | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	870	757
Money markets | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Money markets | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds - debt
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,247	4,127
Mutual funds - debt | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds - debt | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,247	4,127
Mutual funds - debt | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds - equity
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,458	3,812
Mutual funds - equity | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Mutual funds - equity | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,458	3,812
Mutual funds - equity | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Emclaire Financial Corp stock
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	756	672
Emclaire Financial Corp stock | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	756	672
Emclaire Financial Corp stock | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Emclaire Financial Corp stock | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0