Related Party Transactions - Performance Obligations (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Related Party Transaction [Line Items]
Deferred revenue	$ 18,250	$ 13,280	$ 13,171	$ 13,544
Lismore Capital LLC | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01
Related Party Transaction [Line Items]
Deferred revenue	$ 5,000
Initial contract period	12 months
Braemar | Lismore Capital LLC | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01
Related Party Transaction [Line Items]
Deferred revenue	$ 1,400
Initial contract period	12 months