Summary of Significant Accounting Policies - Revenue, Expected Timing of Performance Obligation (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Accounting Policies [Abstract]
Remaining performance obligation	$ 12,989
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-01-01
Accounting Policies [Abstract]
Percent of revenue expected to be recognized over next 12 months	72.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]
Remaining performance obligation, expected timing	24 months