Recently Issued Accounting Standards (Policies)	3 Months Ended
Mar. 31, 2019
Recently Issued Accounting Standards [Abstract]
Recently Issued Accounting Standards	During the three months ended March 31, 2019, there were no additions to or changes in the critical accounting policies disclosed in the 2018 Form 10-K.

Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact.

No definition available.

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