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Summary of Significant Accounting Policies - Schedule of New Accounting Pronouncements and Changes in Accounting Principles (Details) - USD ($) $ in Thousands | Jun. 30, 2020 | Jan. 01, 2020 | Dec. 31, 2019
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New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other assets, net | $ 72,880 |  | $ 56,809
Financing receivable, after allowance for credit loss | 35,304 |  | 37,558
Annual membership subscriptions |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other assets, net |  |  | 2,394
Membership upgrades |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Financing receivable, after allowance for credit loss |  |  | $ 25,236
Cumulative Effect, Period Of Adoption, Adjusted Balance | Annual membership subscriptions |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other assets, net | 1,412 | $ 1,033 |
Cumulative Effect, Period Of Adoption, Adjusted Balance | Membership upgrades |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Financing receivable, after allowance for credit loss | $ 23,728 | 22,722 |
Cumulative Effect, Period Of Adoption, Adjustment | Annual membership subscriptions |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other assets, net |  | (1,361) |
Cumulative Effect, Period Of Adoption, Adjustment | Membership upgrades |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Financing receivable, after allowance for credit loss |  | $ (2,514) |

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