XML 32 R77.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivative Financial Instruments (Details) (USD $)
 3 Months Ended 12 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 1 Months Ended
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Apr. 13, 2011
CRNF
Term loan facility
Dec. 31, 2009
Swap agreements
Dec. 31, 2011
Other derivative agreements
Dec. 31, 2010
Other derivative agreements
Dec. 31, 2009
Other derivative agreements
Dec. 31, 2010
Interest rate swap agreements
Dec. 31, 2009
Interest rate swap agreements
Dec. 31, 2011
Designated as hedges
Interest rate swap agreements
CRNF
agreement
Jun. 30, 2011
Designated as hedges
Interest rate swap agreements
CRNF
agreement
Dec. 31, 2011
Designated as hedges
Interest rate swap agreements entered into on June 30, 2011
CRNF
D
Dec. 31, 2011
Designated as hedges
Interest rate swap agreements entered into on July 1, 2011
CRNF
D
Jun. 30, 2010
Not designated as hedges
Interest rate swap agreements
CRLLC
Mar. 31, 2010
Not designated as hedges
Interest rate swap agreements
CRLLC
Dec. 31, 2011
Not designated as hedges
Commodity derivative contracts entered into during September 2011
barrel
Oct. 31, 2009
Terminated derivative contract
Commodity derivative contracts entered into on June 16, 2005
CRLLC
Derivative Financial Instruments                                                    
Realized gain (loss)                         $ (14,331,000) $ (7,182,000) $ 721,000 $ (6,646,000) $ (2,860,000) $ (6,518,000)                
Unrealized gain (loss)                 85,262,000 634,000 (37,791,000)   (40,903,000) 85,262,000 (2,196,000) (1,847,000) 2,830,000 4,959,000                
Total gain (loss) on derivatives, net 103,179,000 (9,925,000) 6,932,000 (22,106,000) (9,320,000) (1,014,000) 7,339,000 1,490,000 78,080,000 (1,505,000) (65,286,000)                              
Number of barrels                                                 13,000,000  
Net unrealized gain                                                 80,400,000  
Portion of net unrealized gain in current assets                                                 61,600,000  
Portion of net unrealized gain in long-term assets                                                 18,800,000  
Number of agreements                                     2 2            
Borrowing capacity on credit facility                       125,000,000             125,000,000              
Aggregate notional amount                                     62,500,000       110,000,000 180,000,000    
Floating rate basis                                         Three months LIBOR Three months LIBOR Three months LIBOR      
Fixed rate (as a percent)                                         1.94% 1.975% 4.195%      
Settlement period (in days)                                         90 90        
Average fixed rate of interest (as a percent)                                     1.96%              
Effective rate (as a percent)                                     4.69%              
Interest expense                                     400,000              
Settlement paid as a result of early termination                                                   $ 3,900,000