Leases - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Lessee, Lease, Description [Line Items]
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent	us-gaap:AccruedLiabilitiesAndOtherLiabilities
Operating leases, expense	$ 12,151	$ 8,912	$ 6,570
Lease terms through 2024
Lessee, Lease, Description [Line Items]
Operating lease, lease not yet commenced, amount	997
Lease terms through 2030
Lessee, Lease, Description [Line Items]
Operating lease, lease not yet commenced, amount	$ 6,344