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Treasury Stock	3 Months Ended
Treasury Stock	Mar. 31, 2015
Equity [Abstract]
Treasury Stock	Treasury Stock Common stock held in treasury totaled 222,378 and 167,306 with a cost of $963 and $790 at March 31, 2015 and December 31, 2014, respectively. These shares were withheld from employees to settle personal tax withholding obligations that arose as a result of restricted stock units that have vested since 2012.