Stock based compensation (Tables)

3 Months Ended

Mar. 31, 2021

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Stock-based Compensation Expenses

The Company’s stock-based compensation expense by award type is summarized as follows:

	Three Months Ended March 31,
	2021		2020
One-time IPO unit awards	$	—	$	725
Unit awards		719		564
Option awards		481		293
Stock based compensation expense, net of tax	$	1,200	$	1,582

Schedule of Unrecognized Stock-based Compensation Expense

	Three Months Ended March 31, 2021
	Units			Options			Total
Beginning Balance	$	1,545		$	1,432		$	2,977
Grants		2,564			2,130			4,694
Forfeitures		(81	)		—			(81	)
Expense		(719	)		(481	)		(1,200	)
Balance as of March 31, 2021	$	3,309		$	3,081		$	6,390