Nature of Operations and Summary of Significant Accounting Policies Recent Accounting Pronouncements Not Yet Adopted (Details) - Scenario, Forecast [Member] - Accounting Standards Update 2016-02 [Member] $ in Thousands	Jul. 01, 2019 USD ($)
Maximum [Member]
Operating Leased Assets [Line Items]
Operating Lease, Liability	$ 75,000
Operating Lease, Right-of-Use Asset	73,000
Minimum [Member]
Operating Leased Assets [Line Items]
Operating Lease, Liability	73,000
Operating Lease, Right-of-Use Asset	$ 70,000