XML 22 R46.htm IDEA: XBRL DOCUMENT v3.2.0.727
Share-Based Payments (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock-based compensation expense $ 1,200 $ 1,119 $ 5,067 $ 5,381
Total unrecognized stock-based compensation costs $ 6,700   $ 6,700  
Weighted average remaining contractual term for recognition of unrecognized stock-based compensation costs (in years)     2 years 7 months 7 days  
Highwoods Properties, Inc. [Member] | Stock Options [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Stock options granted     197,408  
Weighted average grant date fair value of each stock option granted (in dollars per option)     $ 6.19  
Highwoods Properties, Inc. [Member] | Time-Based Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock shares granted     71,994  
Weighted average grant date fair value of each restricted stock granted (in dollars per share)     $ 45.91  
Highwoods Properties, Inc. [Member] | Total Return-Based Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Restricted stock shares granted     56,957  
Weighted average grant date fair value of each restricted stock granted (in dollars per share)     $ 43.77