Income Taxes - Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Tax [Line Items]
Valuation allowance	$ 0.6
Uncertain tax position	0.1	$ 0.1
Expire between 2027 and 2034
Income Tax [Line Items]
Net operating loss	1.2
Expire in 2029
Income Tax [Line Items]
State tax credits	0.5
VIEs | Expire between 2032 and 2034
Income Tax [Line Items]
Federal net operating loss	$ 0.7