Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Deferred tax assets
Net operating loss carryforwards	$ 981
Subtotal	981
Valuation allowance	0
Total deferred tax assets	981
Deferred tax liabilities
Other	0
Total deferred tax liabilities	0
Net deferred tax assets	$ 981