Quarterly report pursuant to Section 13 or 15(d)

Income Taxes - Additional Information (Details)

v3.19.1
Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Income tax provision (benefit) $ 257 $ (2,779)  
Effective tax rate, percentage 8.20% (58.80%)  
Effective income tax rate reconciliation, Section 179D deduction     $ 3,800
Unrecognized tax benefits $ 1,600   1,600
Unrecognized tax benefits, if recognized would affect effective income tax rate $ 705   $ 80