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Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 | Jan. 01, 2019 | Dec. 31, 2018 | [2]
Goodwill impairment charge |  | $ 379,863 |  |  |
Other assets | [1] | 104,693 |  | $ 93,796 | $ 50,523
Liabilities |  | 43,292 |  |  |
Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Other assets |  | $ 40,095 | [1] | 43,300 |
Liabilities |  |  |  | 43,300 |
Minimum [Member] |  |  |  |  |
Estimated useful lives |  | 3 years |  |  |
Maximum [Member] |  |  |  |  |
Estimated useful lives |  | 40 years |  |  |
Reclassification [Member] | Accounting Standards Update 2016-02 [Member] |  |  |  |  |
Other assets | [1] |  |  | $ 43,273 |
[1] | Prior to the adoption of ASC 842, operating lease ROU assets and current and long-term operating lease liabilities were not recorded on the Consolidated Balance Sheets.
[2] | Balance as previously reported on the Company’s Annual Report on Form 10-K for the year ended December 31, 2018.

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