Summary of Significant Accounting Policies - Debt Issuance Costs (Details) - Accounting Standards Update 2015-03 $ in Millions	Dec. 31, 2015 USD ($)
Prepaid Expenses and Other Current Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	$ (0.6)
Other Assets
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	(1.5)
Current Portion of Notes Payable and Lines of Credit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	0.6
Notes Payable and Other Obligations, Less Current Portion
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Unamortized debt issuance costs	$ 1.5