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Related Party Transactions	3 Months Ended
Related Party Transactions	Mar. 31, 2018
Related Party Transactions [Abstract]
Related Party Transactions	Related Party Transactions On March 1, 2018, two directors agreed to purchase from the Company 21,250 shares of the Company's stock for the closing market price of $21.70 per share. The shares were held as collateral on a past due loan and were sold in order to pay off the loan. Steven B. Tucker purchased 6,250 shares and W. Miller Welborn purchased 15,000 shares for the benefit of a trust.