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Summary of Significant Accounting Policies - Recent Accounting Pronouncements (Details) - USD ($) | 1 Months Ended |  |
--- | --- | --- | ---
Apr. 30, 2020 | Jun. 30, 2020 | Dec. 31, 2019
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Finance Lease, Right-of-Use Asset, after Accumulated Amortization |  | $ 38,513,000 | $ 34,691,000
Finance Lease, Liability |  | 41,517,000 |
Intangible assets |  | 64,300,000 | 64,300,000
Right-of-use asset |  | $ 341,410,000 | $ 337,842,000
Fixed Ops Decline | 45.00% |  |

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