v3.7.0.1
Summary of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Decrease to cash provided by financing activities $ 94,228 $ (78,390)
Increase to cash provided by operating activities $ 94,859 71,297
Accounting Standards Update 2016-09 [Member]    
New Accounting Pronouncements or Change in Accounting Principle [Line Items]    
Decrease to cash provided by financing activities   (300)
Increase to cash provided by operating activities   $ 300