v2.4.0.6
Income Taxes (Details 4) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Company's adjustments to its uncertain tax position  
Balance at beginning of period $ 0
Increase for tax positions related to the current year 1,218
Increase for tax positions related to prior years 1,221
Decreases for settlements with applicable taxing authorities 0
Decreases for lapses of statute of limitations 0
Balance at end of period $ 2,439