XML 13 R33.htm IDEA: XBRL DOCUMENT v2.4.0.8
Long-term Incentive Plan (Details) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Mar. 21, 2013
Mar. 31, 2014
Omnibus Stock Incentive Plans, 2007 New LTIP [Member]
Mar. 31, 2014
Common Stock [Member]
Minimum [Member]
Mar. 31, 2014
Common Stock [Member]
Maximum
Dec. 31, 2013
Performance-Based Awards [Member]
Restricted Stock [Member]
Churchill 2004 and 2007 Plan [Member]
May 29, 2013
Non-Executive Officers [Member]
May 29, 2013
Executive Officers [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized     155,000 92,000         14,000 141,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number               324,000    
Trading Days     20              
Allocated Share-based Compensation Expense $ 5,241,000 $ 3,363,000     $ 4,300,000          
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Share-based Awards Other than Options 2,400,000                  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 4,400,000                  
Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plan           2 months 26 months