Accounting Policies (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2016	Sep. 30, 2016
Accounting Policies [Abstract]
Excess tax benefits from adoption provisions of ASU 2016-09	$ 0	$ 50

Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Amount

No definition available.

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