Fair Value Measurements (Details Textual) - USD ($) $ in Millions	Jun. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Derivative Liability, Fixed Rate Debt, Carrying Value	$ 385.7	$ 386.9
Derivative Liability, Fixed Rate Debt, Fair Value	401.6	401.4
Derivative Liability, Variable Rate Debt, Fair Value	$ 48.0	$ 14.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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