Annual report pursuant to Section 13 and 15(d)

CONTRACT RIGHTS (Details)

v2.4.0.6
CONTRACT RIGHTS (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]    
Accumulated amortization $ 0 $ (6,493)
Net   10,873
FireKeepers project, initial cost
    
Finite-Lived Intangible Assets [Line Items]    
Cost 4,155 4,155
Accumulated amortization (1,583) (1,434)
Disposal (2,572)   
Net    2,721
FireKeepers project, additional
    
Finite-Lived Intangible Assets [Line Items]    
Cost 13,210 13,210
Accumulated amortization (5,503) (5,058)
Disposal (7,707)   
Net    8,152
Contract rights
    
Finite-Lived Intangible Assets [Line Items]    
Cost 17,365 17,365
Accumulated amortization (7,086) (6,492)
Disposal (10,279)   
Net    $ 10,873