Income Taxes - Schedule of Operating Loss Carryforward (Details) $ in Thousands	Dec. 31, 2018 USD ($)
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 18,088
2019-2024
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	2,258
2025-2031
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	10,990
2025-2031
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	2,431
Indefinite
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 2,409