Commitments and Contingencies Cash in Excess of FDIC Limits (Details) - USD ($) $ in Thousands |
Nov. 03, 2017 |
Sep. 30, 2017 |
---|---|---|
Cash in Excess of FDIC limits [Line Items] | ||
Cash, FDIC Insured Amount | $ 250 | |
Subsequent Event [Member] | ||
Cash in Excess of FDIC limits [Line Items] | ||
Cash, Uninsured Amount | $ 933 |