Income taxes

3 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Income taxes

Income taxes

As of March 31, 2019, the Company’s total liability for unrecognized tax benefits relating to tax positions that do not meet the more-likely-than-not threshold was $48,384, of which $45,541 would impact the Company's effective tax rate if recognized. The total balance increased $8,002 from the December 31, 2018 balance of $40,382.

The Company recognizes accrued interest and penalties related to unrecognized tax benefits in its income tax expense. At March 31, 2019 and December 31, 2018, the Company had approximately $9,903 and $9,019, respectively, accrued for interest and penalties related to unrecognized tax benefits, net of federal tax benefits.