Summary of Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - Retrospective early adoption - Accounting Standards Update ("ASU") 2015-17 - Income Taxes: Balance Sheet Classification of Deferred Taxes $ in Millions	Dec. 31, 2015 USD ($)
Recent Accounting Pronouncements
Current deferred tax asset	$ (0.2)
Non-current deferred tax liability	$ (0.2)

Summary of Significant Accounting Policies - Recently Issued Accounting Pronouncements (Details) - Retrospective early adoption - Accounting Standards Update ("ASU") 2015-17 - Income Taxes: Balance Sheet Classification of Deferred Taxes
$ in Millions

Dec. 31, 2015

USD ($)

Current deferred tax asset

$ (0.2)

Non-current deferred tax liability

$ (0.2)