Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2019
Jan. 01, 2019
Income Taxes [Line Items]      
Provision for income taxes benefit (expense) related to remeasurement of net deferred tax liability $ 28,400    
Net long-term deferred tax asset 3,700 $ 3,000  
Net long-term deferred tax liability 33,178 8,927 $ 30,144
Gross deferred tax assets related to state net operating loss carryforwards   248,400  
Valuation allowance related to certain state net operating loss carryforward deferred tax assets   7,800  
Liabilities recorded related to unrecognized tax benefits     5,500
Liabilities related to interest and penalties   500 $ 600
Unrecognized tax benefit that would affect income tax rate if recognized $ 4,900 $ 3,800