Income Taxes - Additional Information (Details) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Income Tax Disclosure [Abstract] | ||
| Deferred tax liability, unrecognized tax benefits | $ 200,000 | $ 0 |
| Employee service share-based compensation, tax benefit from compensation expense | 201,000 | |
| Deferred tax assets, operating loss carryforwards | $ 0 | $ 0 |