Annual report pursuant to Section 13 and 15(d)

Leases - Narratives (Details)

v3.19.3.a.u2
Leases - Narratives (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Lessee, Lease, Description [Line Items]      
Operating lease cost $ 19,148    
Rent expense under prior guidance   $ 25,082 $ 22,704