Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2021

Stockholders' Equity

Summary of stock option activity

The following table summarizes stock option activity for the three months ended March 31, 2021 (shares and intrinsic value in thousands):

				Weighted-
				average
		Weighted-		remaining	Aggregate
	Number of	average exercise		contractual	intrinsic
	shares	price		term	value
Outstanding at December 31, 2020	3,935	$	11.69	5.1	$	291
Granted	495		11.87	6.0		—
Exercised	(50)		10.20	—		—
Forfeited	—		—	—		—
Expired	—		—	—		—
Outstanding at March 31, 2021	4,380	$	11.68	5.4	$	2,079
Vested at March 31, 2021	3,102	$	11.59	4.0	$	1,970
Exercisable at March 31, 2021	3,102	$	11.59	4.0	$	1,970

Summary of restricted share activity

The following table summarizes restricted share activity for the three months ended March 31, 2021 (shares in thousands):

	Number of	Weighted-average
	shares	grant date fair value
Outstanding at December 31, 2020	499	$	11.26
Granted	433		11.72
Vested	(242)		11.65
Forfeited	—		—
Outstanding at March 31, 2021	690	$	11.42

Time Based Restricted Stock Awards and Stock Option | Black Scholes Pricing Model

Stockholders' Equity

Schedule of valuation assumptions

	Three Months Ended		Year Ended
Black-Scholes Option Valuation Assumptions	March 31, 2021		December 31, 2020
Risk-free interest rate	0.97% - 1.08	%		0.42% - 0.50	%
Dividend yield	—			—
Volatility	37.3% - 39.8	%		44.2% - 46.1	%
Weighted-average expected term (years)	6.0			6.0