Annual report pursuant to Section 13 and 15(d)

Leases - Narratives (Details)

v3.20.4
Leases - Narratives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Lessee, Lease, Description [Line Items]      
Operating lease cost $ 16,817 $ 15,125  
Rent expense under prior guidance     $ 20,594