Prepaid Expenses and Other Current Assets - Summary of Prepaids and Other Current Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Prepaid Expense And Other Assets Current [Abstract]
Prepaid inventory	$ 2,566	$ 2,195
Restricted cash	312	307
Prepaid insurance	2,081	1,967
Barter credits	889
Other	1,495	926
Prepaid and other current assets	$ 7,343	$ 5,395

Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Name:	us-gaap_PrepaidInsurance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant