XML 21 R11.htm IDEA: XBRL DOCUMENT

Treasury Stock	3 Months Ended
Treasury Stock	Mar. 31, 2017
Equity [Abstract]
Treasury Stock	Treasury Stock Common stock held in treasury totaled 374,821 and 354,889 with a cost of $1,237 and $1,214 at March 31, 2017 and December 31, 2016, 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 in the periods presented.