Earnings Per Share - Antidilutive Securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator
Reversal of amortization of preferred stock issuance costs	$ 0	$ 52	$ 42	$ 155
Stock options
Denominator
Antidilutive shares excluded from computation of earnings per share (in shares)	5,403	11,527	8,167	13,087
Restricted stock
Denominator
Antidilutive shares excluded from computation of earnings per share (in shares)	76,160	13,926	58,565	25,056
Preferred stock, if converted
Denominator
Antidilutive shares excluded from computation of earnings per share (in shares)	200,000	200,000	200,000	200,000