Subsequent Event	12 Months Ended
Dec. 31, 2017
Subsequent Event [Abstract]
Subsequent Event	NOTE 23 – SUBSEQUENT EVENTS County First Acquisition On January 1, 2018, the Company completed its previously announced merger of County First Bank (“County First”) with and into the Bank, with the Bank as the surviving bank (the “Merger”) pursuant to the Agreement and Plan of Merger, dated as of July 31, 2017, by and among the Company, the Bank and County First. Pursuant to the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each share of common stock, par value $1.00 per share, of County First issued and outstanding immediately prior to the Effective Time was converted into the right to receive 0.9543 shares of Company common stock and $2.20 in cash (the “Merger Consideration”). The $2.20 in cash represents the sum of (i) $1.00 in cash consideration (the “Cash Consideration”) plus (ii) $1.20 in Contingent Cash Consideration that was determined before the completion of the Merger in accordance with the terms of the Merger Agreement. The aggregate merger consideration consisted of approximately 919,000 shares of the Company’s common stock and approximately $2.1 million in cash. Based upon the $38.78 per share closing price of the Company’s common stock on December 28, 2017, the transaction value was approximately $37.7 million. The County First Bank acquisition is being accounted for under the acquisition method of accounting with the Company treated as the acquirer. Under the acquisition method of accounting, the assets and liabilities of County First Bank, as of January 1, 2018, will be recorded by the Company at their respective fair values, and the excess of the merger consideration over the fair value of County First Bank's net assets will be allocated to goodwill. At December 31, 2017, County First had total assets of approximately $227 million (Unaudited), total loans of $143 million (Unaudited) and total deposits of $200 million (Unaudited). County First has five branch offices in La Plata, Waldorf, New Market, Prince Frederick and California, Maryland. The Bank intends to keep the La Plata branch open and consolidate the remaining four branches with legacy Community Bank of the Chesapeake branch offices in May of 2018. The calculations to determine fair values were not complete at the time of filing of the 2017 Annual Report on Form 10-K. Until the determination of the fair values is complete, it is impractical to include disclosures related to the fair value of the assets acquired and liabilities assumed as required by the accounting guidance. Merger related costs, which included mainly professional fees and investment banking costs, for the year ended December 31, 2017 were $829,000.

NOTE 23 – SUBSEQUENT EVENTS

County First Acquisition

On January 1, 2018, the Company completed its previously announced merger of County First Bank (“County First”) with and into the Bank, with the Bank as the surviving bank (the “Merger”) pursuant to the Agreement and Plan of Merger, dated as of July 31, 2017, by and among the Company, the Bank and County First. Pursuant to the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each share of common stock, par value $1.00 per share, of County First issued and outstanding immediately prior to the Effective Time was converted into the right to receive 0.9543 shares of Company common stock and $2.20 in cash (the “Merger Consideration”). The $2.20 in cash represents the sum of (i) $1.00 in cash consideration (the “Cash Consideration”) plus (ii) $1.20 in Contingent Cash Consideration that was determined before the completion of the Merger in accordance with the terms of the Merger Agreement. The aggregate merger consideration consisted of approximately 919,000 shares of the Company’s common stock and approximately $2.1 million in cash. Based upon the $38.78 per share closing price of the Company’s common stock on December 28, 2017, the transaction value was approximately $37.7 million.

The County First Bank acquisition is being accounted for under the acquisition method of accounting with the Company treated as the acquirer. Under the acquisition method of accounting, the assets and liabilities of County First Bank, as of January 1, 2018, will be recorded by the Company at their respective fair values, and the excess of the merger consideration over the fair value of County First Bank's net assets will be allocated to goodwill. At December 31, 2017, County First had total assets of approximately $227 million (Unaudited), total loans of $143 million (Unaudited) and total deposits of $200 million (Unaudited). County First has five branch offices in La Plata, Waldorf, New Market, Prince Frederick and California, Maryland. The Bank intends to keep the La Plata branch open and consolidate the remaining four branches with legacy Community Bank of the Chesapeake branch offices in May of 2018. The calculations to determine fair values were not complete at the time of filing of the 2017 Annual Report on Form 10-K. Until the determination of the fair values is complete, it is impractical to include disclosures related to the fair value of the assets acquired and liabilities assumed as required by the accounting guidance.

Merger related costs, which included mainly professional fees and investment banking costs, for the year ended December 31, 2017 were $829,000.