Business Segment and Related Information - Reconciliation of Segment Assets to Total Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Property and equipment, net	$ 64,769	$ 85,294
Goodwill	74,213	74,213
Assets	371,568	355,756
Operating Segments
Segment Reporting, Asset Reconciling Item [Line Items]
Property and equipment, net	64,769	85,294
Goodwill	74,213	74,213
All Other
Segment Reporting, Asset Reconciling Item [Line Items]
Property and equipment, net	209	187
Goodwill	0	0
Assets	$ 232,586	$ 196,249