New Accounting Standards - Narrative (Details) $ in Thousands	Dec. 31, 2015 USD ($)
New Accounting Pronouncement, Early Adoption [Line Items]
Stock compensation cumulative effect adjustments	$ 45,855
Retained Earnings
New Accounting Pronouncement, Early Adoption [Line Items]
Stock compensation cumulative effect adjustments	5,475
Retained Earnings | Accountings Standards Update 2016-09 | New Accounting Pronouncement, Early Adoption, Effect
New Accounting Pronouncement, Early Adoption [Line Items]
Stock compensation cumulative effect adjustments	$ 6,000