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Common Stock Repurchases	12 Months Ended
Common Stock Repurchases	Dec. 31, 2017
Equity [Abstract]
Common Stock Repurchases	Note 23. Common Stock Repurchases We previously announced our Board of Directors’ authorization to repurchase shares of our common stock from time to time at prevailing market prices. No open market repurchases were made during 2017 or 2016. During 2015, we repurchased 141,462 shares on the open market for $3.8 million. As of December 31, 2017, 440,540 shares remain available for repurchase. We repurchased 41,532 shares for $2.1 million in 2017, 25,432 shares for $0.7 million in 2016, and 35,649 shares for $1.0 million in 2015 related to tax withholding requirements on vested share-based awards.