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Organization and Significant Accounting Policies, Leases (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Leases [Abstract] |  |
Right-of-use operating lease assets | $ 12,600 |
Operating lease liabilities | 17,235 |
Current portion of operating lease liabilities | $ 2,000 |
Topic 842 [Member] |  |
Leases [Abstract] |  |
Right-of-use operating lease assets |  | $ 13,500
Operating lease liabilities |  | 18,500
Current portion of operating lease liabilities |  | $ 2,000

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