XML 84 R66.htm IDEA: XBRL DOCUMENT v3.6.0.2
Stock-Based Compensation - Schedule of Stock Appreciation Rights (SARs) (Details) - Stock Appreciation Rights (SARs) - shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]    
Nonvested, Beginning Balance (in shares) 379,493 297,493
Granted (in shares) 0 272,533
Canceled (shares) (169,533) (190,533)
Nonvested, Ending Balance (in shares) 209,960 379,493