Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details)

v2.4.0.8
Summary of Significant Accounting Policies (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Dec. 31, 2012
Misapplication of Fair Value Assumptions
Restatement Adjustment
Quantifying Misstatement in Current Year Financial Statements [Line Items]      
Redeemable noncontrolling interest $ 18,436 $ 17,758 $ 3,700
Additional paid-in capital $ 1,822,283 $ 1,814,015 $ (3,700)