Annual report pursuant to Section 13 and 15(d)

Leases - Summary of Right-of-Use Assets and Lease Liabilities for Operating Leases Recorded in Condensed Consolidated Balance Sheet (Details)

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Leases - Summary of Right-of-Use Assets and Lease Liabilities for Operating Leases Recorded in Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Lease Assets And Liabilities [Abstract]    
Other assets $ 5,261 $ 7,144
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] us-gaap:OtherAssetsMember us-gaap:OtherAssetsMember
Other current liabilities $ 573 $ 580
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] us-gaap:OtherCurrentLiabilitiesMember us-gaap:OtherCurrentLiabilitiesMember
Other liabilities $ 5,172 $ 6,748
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilitiesMember us-gaap:OtherLiabilitiesMember
Total lease liabilities $ 5,745 $ 7,328