Annual report pursuant to Section 13 and 15(d)

Derivative Contracts (Details)

v2.4.0.6
Derivative Contracts (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Outstanding contracts recorded at fair value, and their maturity details    
Contract value $ 1,304 $ 1,926
Fair value 1,294 1,964
Decrease of loss (10) 38
0 to 30 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value    1,232
Fair value    1,241
Decrease of loss    9
31 to 60 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value 581 116
Fair value 577 126
Decrease of loss (4) 10
61 to 90 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value 341 402
Fair value 339 415
Decrease of loss (2) 13
91 to 120 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value 212 35
Fair value 210 37
Decrease of loss (2) 2
121 to 180 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value 170 106
Fair value 168 109
Decrease of loss (2) 3
More than 180 [Member]
   
Outstanding contracts recorded at fair value, and their maturity details    
Contract value    35
Fair value    36
Decrease of loss    $ 1