Summary of Significant Accounting Policies - Revenue Recognition (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
Jan. 01, 2018 |
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| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Decrease to retained earnings | $ (368,390) | $ (314,459) | ||
| Operating lease revenue | $ 9,143 | $ 8,189 | ||
| Operating lease revenue | $ 7,238 | |||
| Cumulative Effect, Period of Adoption, Adjustment | ASU 2014-09 | ||||
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | ||||
| Decrease to retained earnings | $ 4,454 | |||
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
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- Definition The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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