Segments - Reconciliation of Revenues from Reportable Segments to Consolidated Revenues (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	$ 29,838	$ 22,585
Other revenues, including from other operating segments
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	3,214	4,218
Elimination of intersegment revenues
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	(3,101)	(3,094)
Total segment revenues from reportable segments
Segment Reporting, Asset Reconciling Item [Line Items]
Revenues	$ 29,725	$ 21,461