Income Taxes Net Operating Loss Carryforwards (Details) - State and Local Jurisdiction [Member] $ in Millions |
Jun. 30, 2017
USD ($)
|
---|---|
Operating Loss Carryforwards [Line Items] | |
Operating Loss Carryforwards | $ 4.7 |
Expiring between 2028 and 2032 [Member] | |
Operating Loss Carryforwards [Line Items] | |
Operating Loss Carryforwards | 3.4 |
Expiring between 2022 and 2027 [Member] | |
Operating Loss Carryforwards [Line Items] | |
Operating Loss Carryforwards | $ 1.3 |