Revenue - Additional Information (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Revenue from Contract with Customer [Abstract]
Period in Which Performance Obligations Under Client Arrangements Settled	1 year
Contract with Customer, Asset, Threshold Period Past Due	120 days
Contract With Customer Liability Revenue Recognized That Was Initially Recorded As Deferred Revenue	$ 23,409	$ 15,115	$ 16,468

Threshold period for when right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, is considered past due, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 14
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919253-210447

Name:	us-gaap_ContractWithCustomerAssetThresholdPeriodPastDue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant