Income Taxes - Income Tax Provision (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
U.S. Federal provision (benefit)
At statutory rate	$ (6,026)
State taxes	113	$ 53
Foreign tax differential	205
Disallowed interest expense	219
Change in entity status	(19,448)
Effect of uncertain tax positions	(287)
Book income from pre-transaction period	705
Transaction costs	810
Other	(5)	104
Total	(1,200)	$ 157
Deferred Tax Assets, Valuation Allowance	28,275
Increase in valuation allowance	28,300
Purchase Accounting
U.S. Federal provision (benefit)
Increase in valuation allowance	2,000
Change in Entity Status
U.S. Federal provision (benefit)
Increase in valuation allowance	22,900
Foreign
U.S. Federal provision (benefit)
Valuation allowance	$ 22,514