Subsequent Events	12 Months Ended
Dec. 31, 2018
Subsequent Events [Abstract]
Subsequent Events	Note 20 – Subsequent Events On January 1, 2019, the Company acquired Limberlost Bancshares, Inc. (“Limberlost”), the bank holding company for Bank of Geneva, a community bank based in Geneva, Indiana. Bank of Geneva operated six full-service offices in the northeast Indiana communities of Geneva, Berne, Decatur, Monroe, Portland and Monroeville and was in the process of completing construction to relocate the Decatur office. Shareholders of Limberlost received 1,830 shares of FMAO common stock and $8,465.00 in cash for each share. Limberlost had 1,000 shares outstanding on January 1, 2019. The share price of Farmers & Merchants Bancorp, Inc. (FMAO) stock on January 1, 2019 was $38.49. Total consideration for the acquisition was approximately $78.9 million consisting of $8.5 million in cash and $70.4 million in stock. The most significant assets acquired were loans with a carrying value of $259.3 million and liabilities assumed were deposits with a carrying value of $206.6 million and other borrowings with a carrying value of $49.5 million. The Company has not yet finalized the purchase accounting or its final evaluations of the fair value of certain items. The primary areas of the purchase price allocation that are not yet finalized relate to the valuation of intangible assets, credit mark on loans, deposit and borrowings fair value marks and the residual goodwill. Any changes during the measurement period may have an impact on the allocation of the purchase price, including values assigned to assets, liabilities and the amount of estimated goodwill and intangible assets.

Subsequent Events

12 Months Ended

Dec. 31, 2018

Note 20 – Subsequent Events

On January 1, 2019, the Company acquired Limberlost Bancshares, Inc. (“Limberlost”), the bank holding company for Bank of Geneva, a community bank based in Geneva, Indiana. Bank of Geneva operated six full-service offices in the northeast Indiana communities of Geneva, Berne, Decatur, Monroe, Portland and Monroeville and was in the process of completing construction to relocate the Decatur office. Shareholders of Limberlost received 1,830 shares of FMAO common stock and $8,465.00 in cash for each share. Limberlost had 1,000 shares outstanding on January 1, 2019. The share price of Farmers & Merchants Bancorp, Inc. (FMAO) stock on January 1, 2019 was $38.49. Total consideration for the acquisition was approximately $78.9 million consisting of $8.5 million in cash and $70.4 million in stock.

The most significant assets acquired were loans with a carrying value of $259.3 million and liabilities assumed were deposits with a carrying value of $206.6 million and other borrowings with a carrying value of $49.5 million. The Company has not yet finalized the purchase accounting or its final evaluations of the fair value of certain items. The primary areas of the purchase price allocation that are not yet finalized relate to the valuation of intangible assets, credit mark on loans, deposit and borrowings fair value marks and the residual goodwill. Any changes during the measurement period may have an impact on the allocation of the purchase price, including values assigned to assets, liabilities and the amount of estimated goodwill and intangible assets.