Recently Adopted and Recently Issued Accounting Standards Details (Details) $ in Thousands	Dec. 31, 2016 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Change in Working Capital	$ 27,000
Adoption of new accounting standard (See Note 2)	397
Retained Earnings
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Adoption of new accounting standard (See Note 2)	$ (709)