Business Combination	12 Months Ended
Dec. 31, 2014
Business Combinations [Abstract]
Business Combination	Note 25 – Business Combination On February 18, 2015, Horizon entered into an Agreement and Plan of Merger (the “Merger Agreement”) providing for Horizon’s acquisition of Peoples Bancorp, Inc., an Indiana corporation (“Peoples”). Pursuant to the Merger Agreement, Peoples would merge with and into Horizon, with Horizon surviving the merger (the “Merger”), and Peoples Federal Savings Bank of DeKalb County, a federally chartered stock savings bank and wholly-owned subsidiary of Peoples, would merge with and into a wholly-owned subsidiary of Horizon, Horizon Bank, N.A. (“Horizon Bank”), with Horizon Bank as the surviving bank. The boards of directors of each of Horizon and Peoples have approved the Merger and the Merger Agreement. Subject to the approval of the issuance of shares related to the Merger by Horizon shareholders, the Merger by Peoples shareholders, regulatory approvals and other closing conditions, the parties anticipate completing the Merger during the third quarter of 2015. In connection with the Merger, each Peoples shareholder will receive 0.95 shares of Horizon common stock (the “Exchange Ratio”) and $9.75 in cash for each share of Peoples common stock owned by them. Based on Horizon’s February 18, 2015 closing price of $23.02 per share as reported on the NASDAQ Global Select Market, the implied transaction value is estimated at $73.1 million. Subject to certain terms and conditions, the board of directors of Peoples has agreed to recommend the approval and adoption of the Merger Agreement to the Peoples shareholders and will solicit proxies voting in favor of the Merger from Peoples’ shareholders. The Merger Agreement also provides for certain termination rights for both Horizon and Peoples, and further provides that upon termination of the Merger Agreement under certain circumstances, Peoples will be obligated to pay Horizon a termination fee. As of December 31, 2014, Peoples reported total assets of approximately $486.6 million, total deposits of approximately $368.7 million and total loans of approximately $235.1 million.

Note 25 – Business Combination

On February 18, 2015, Horizon entered into an Agreement and Plan of Merger (the “Merger Agreement”) providing for Horizon’s acquisition of Peoples Bancorp, Inc., an Indiana corporation (“Peoples”). Pursuant to the Merger Agreement, Peoples would merge with and into Horizon, with Horizon surviving the merger (the “Merger”), and Peoples Federal Savings Bank of DeKalb County, a federally chartered stock savings bank and wholly-owned subsidiary of Peoples, would merge with and into a wholly-owned subsidiary of Horizon, Horizon Bank, N.A. (“Horizon Bank”), with Horizon Bank as the surviving bank.

The boards of directors of each of Horizon and Peoples have approved the Merger and the Merger Agreement. Subject to the approval of the issuance of shares related to the Merger by Horizon shareholders, the Merger by Peoples shareholders, regulatory approvals and other closing conditions, the parties anticipate completing the Merger during the third quarter of 2015.

In connection with the Merger, each Peoples shareholder will receive 0.95 shares of Horizon common stock (the “Exchange Ratio”) and $9.75 in cash for each share of Peoples common stock owned by them. Based on Horizon’s February 18, 2015 closing price of $23.02 per share as reported on the NASDAQ Global Select Market, the implied transaction value is estimated at $73.1 million.

Subject to certain terms and conditions, the board of directors of Peoples has agreed to recommend the approval and adoption of the Merger Agreement to the Peoples shareholders and will solicit proxies voting in favor of the Merger from Peoples’ shareholders.

The Merger Agreement also provides for certain termination rights for both Horizon and Peoples, and further provides that upon termination of the Merger Agreement under certain circumstances, Peoples will be obligated to pay Horizon a termination fee.

As of December 31, 2014, Peoples reported total assets of approximately $486.6 million, total deposits of approximately $368.7 million and total loans of approximately $235.1 million.