Quarterly report pursuant to Section 13 or 15(d)

STOCK BASED AND DEFERRED COMPENSATION - Summary of Compensation Expense and Stock Award Activity (Details)

v3.4.0.3
STOCK BASED AND DEFERRED COMPENSATION - Summary of Compensation Expense and Stock Award Activity (Details) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Summary of compensation expense and stock award activity    
Stock-based compensation expense (in dollars) $ 4,758 $ 4,630
Stock options exercised 11,200 143,440
Restricted Stock [Member]    
Summary of compensation expense and stock award activity    
Restricted stock awards vested (includes performance-based awards) 305,085 326,070
Time Based Restricted Stock [Member]    
Summary of compensation expense and stock award activity    
Non-vested shares granted 493,865 388,787
Performance Shares [Member]    
Summary of compensation expense and stock award activity    
Non-vested shares granted 66,698 66,187