Annual report pursuant to Section 13 and 15(d)

Share-Based and Cash-Based Incentive Compensation - Summary of Incentive Compensation Expense (Details)

v3.3.1.900
Share-Based and Cash-Based Incentive Compensation - Summary of Incentive Compensation Expense (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]      
Share-based compensation charged to operating income $ 10,242 $ 14,744 $ 11,525
Total charged to operating income 10,373 24,979 23,824
General And Administrative Expense      
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]      
Share-based compensation charged to operating income 10,242 14,744 11,525
Cash-based incentive compensation charged to operating income [1] (233) 6,950 8,817
Lease Operating Expense      
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]      
Cash-based incentive compensation charged to operating income $ 364 $ 3,285 $ 3,482
[1] Adjustments to true up estimates to actual payments resulted in net credit balances to expense for 2015.