Income Taxes - Narrative (Details) $ in Millions	Jun. 30, 2017 USD ($)
Operating Loss Carryforwards [Line Items]
Permanently reinvested unremitted earnings	$ 2.4
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	8.2
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 1.0