XML 51 R39.htm IDEA: XBRL DOCUMENT v3.21.1
Leases - Lease costs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Leases    
Fixed lease cost $ 4,104 $ 2,118
Variable lease cost 1,093 228
Short-term lease cost 164 77
Total operating lease cost $ 5,361 $ 2,423