Summary of Significant Accounting Policies - Intangible Assets and Goodwill (Details)	12 Months Ended
	Dec. 31, 2015
Minimum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite lived intangible assets (in years)	5 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Estimated useful life of finite lived intangible assets (in years)	10 years