Annual report pursuant to Section 13 and 15(d)

Cash Distributions and Net Income (Loss) per Common Unit (Details)

v2.4.0.6
Cash Distributions and Net Income (Loss) per Common Unit (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net loss $ (63,521) $ (42,422) $ (24,861) $ (19,332) $ (7,463) $ (14,479) $ (6,868) $ (2,209) $ (150,136) $ (31,019) $ 107,568
Declared distributions                 61,501 50,136 104,538
Amortization ofbeneficial conversion feature of Class B units                 0    
Assumed allocation of undistributed net loss                 (211,637) (81,155) 3,030
Weighted average units outstanding                   27,910 26,416
Net income (loss) per common unit $ (0.06) $ 0.04 $ 0.17 $ 0.23 $ 0.30 $ 0.29 $ 0.32 $ 0.35   $ 1.23 $ 1.70
Subordinated Units
                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net loss                 (114,678) (25,301) 88,206
Declared distributions                 0 0 57,538
Amortization ofbeneficial conversion feature of Class B units                 (20,170)    
Assumed allocation of undistributed net loss                 (157,917) (64,713) 2,969
Assumed allocation of net income (loss)                 (178,087) (64,713) 60,507
Weighted average units outstanding                 135,384 135,384 135,384
Net income (loss) per common unit                 $ (1.32) $ (0.48) $ 0.45
Class B Unit [Member]
                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Declared distributions                 0 0 0
Amortization ofbeneficial conversion feature of Class B units                 25,319    
Assumed allocation of undistributed net loss                 0 0 0
Assumed allocation of net income (loss)                 25,319 0 0
Weighted average units outstanding                 43,303 0 0
Net income (loss) per common unit                 $ 0.58 $ 0.00 $ 0.00
General Partner [Member]
                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net loss                 (7,107) (620) 2,151
Declared distributions                 1,230 1,002 2,090
Amortization ofbeneficial conversion feature of Class B units                 0    
Assumed allocation of undistributed net loss                 (7,659) (1,623) 61
Assumed allocation of net income (loss)                 (6,429) (621) 2,151
Common Units
                      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]                      
Net loss                 (28,351) (5,098) 17,211
Declared distributions                 60,271 49,134 44,910
Amortization ofbeneficial conversion feature of Class B units                 (5,149)    
Assumed allocation of undistributed net loss                 (46,061) (14,819) 0
Assumed allocation of net income (loss)                 $ 9,061 $ 34,315 $ 44,910
Weighted average units outstanding                 33,470 27,910 26,416
Net income (loss) per common unit                 $ 0.27 $ 1.23 $ 1.70