Leases and Rent Expense - Schedule of Operating Leases Rent Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Operating Leased Assets [Line Items]
Total rent expense	$ 331	$ 100
Paid to companies controlled by shareholder
Operating Leased Assets [Line Items]
Total rent expense	278	85
Paid to others
Operating Leased Assets [Line Items]
Total rent expense	$ 53	$ 15