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
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)