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New Accounting Standards	6 Months Ended
New Accounting Standards	Jun. 30, 2019
New Accounting Pronouncements and Changes in Accounting Principles [Abstract]
New Accounting Standards	New Accounting Standards In February 2016 the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") No. 2016-02, Leases (Topic 842), which establishes new accounting and disclosure requirements for leases. FASB Accounting Standards Codification ("ASC") Topic 842, Leases, requires lessees to classify most leases as either finance or operating leases and to recognize a lease liability and right-of-use asset. For finance leases, the statements of operations include separate recognition of interest on the lease liability and amortization of the right-of-use asset. For operating leases, the statements of operations include a single lease cost, calculated so that the cost of the lease is allocated over the lease term on a straight-line basis. We adopted the provisions of FASB ASU No. 2016-02 on January 1, 2019 using the modified retrospective transition method. Refer to Note 18, "Leases" for additional discussion of this adoption.