Annual report pursuant to Section 13 and 15(d)

Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Statement of Comprehensive Income (Loss) (Details)

v2.4.0.8
Parent, Guarantor, Non-Guarantor Unaudited Consolidating Condensed Financial Statements - Statement of Comprehensive Income (Loss) (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Schedule of Condensed Statement of Comprehensive Income [Line Items]      
Net income $ 27,179 $ 37,098 $ (50,645)
Currency translation difference on related borrowings (1,525) 0 0
Currency translation difference on foreign currency net investments 3,051 0 0
Total other comprehensive gain, net of tax: 1,526 0 0
Comprehensive income 28,705 37,098 (50,645)
Comprehensive (income) loss attributable to noncontrolling interest 198 215 194
Comprehensive income (loss) attributable to controlling interest 28,903 37,313 (50,451)
Parent [Member]
      
Schedule of Condensed Statement of Comprehensive Income [Line Items]      
Net income 27,015 37,313 (50,451)
Currency translation difference on related borrowings 0 0 0
Currency translation difference on foreign currency net investments 0 0 0
Total other comprehensive gain, net of tax: 0 0 0
Comprehensive income 27,015 37,313 (50,451)
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0
Comprehensive income (loss) attributable to controlling interest 27,015 37,313 (50,451)
Guarantor [Member]
      
Schedule of Condensed Statement of Comprehensive Income [Line Items]      
Net income 36,214 54,961 (49,106)
Currency translation difference on related borrowings 0 0 0
Currency translation difference on foreign currency net investments 0 0 0
Total other comprehensive gain, net of tax: 0 0 0
Comprehensive income 36,214 54,961 (49,106)
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0
Comprehensive income (loss) attributable to controlling interest 36,214 54,961 (49,106)
Non-Guarantor [Member]
      
Schedule of Condensed Statement of Comprehensive Income [Line Items]      
Net income 19,380 32,816 25,428
Currency translation difference on related borrowings (1,525) 0 0
Currency translation difference on foreign currency net investments 3,051 0 0
Total other comprehensive gain, net of tax: 1,526 0 0
Comprehensive income 20,906 32,816 25,428
Comprehensive (income) loss attributable to noncontrolling interest 198 215 194
Comprehensive income (loss) attributable to controlling interest 21,104 33,031 25,622
Eliminations [Member]
      
Schedule of Condensed Statement of Comprehensive Income [Line Items]      
Net income (55,430) (87,992) 23,484
Currency translation difference on related borrowings 0 0 0
Currency translation difference on foreign currency net investments 0 0 0
Total other comprehensive gain, net of tax: 0 0 0
Comprehensive income (55,430) (87,992) 23,484
Comprehensive (income) loss attributable to noncontrolling interest 0 0 0
Comprehensive income (loss) attributable to controlling interest $ (55,430) $ (87,992) $ 23,484