Stock-Based Compensation - Options (Details) - Options - USD ($) $ / shares in Units, shares in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Compensation costs related to unvested stock options not yet recognized	$ 300,000		$ 300,000
Value of estimated forfeitures			$ 28,000
Weighted-average period of amortization			1 year 2 months 12 days
Number of Options Outstanding [Roll Forward]
Options outstanding, beginning of period (in shares)			1,378
Granted (in shares)	0	0	0	0
Exercised (in shares)			(67)
Options outstanding, end of period (in shares)	1,311		1,311		1,378
Options vested and unvested options expected to vest, net of forfeitures, end of period (in shares)	1,310		1,310
Options exercisable, end of period (in shares)	1,113		1,113
Weighted-average Exercise Price [Roll Forward]
Options outstanding, beginning of period (in dollars per share)			$ 4.83
Exercised (in dollars per share)			2.18
Options outstanding, end of period (in dollars per share)	$ 4.97		4.97		$ 4.83
Options vested and unvested options expected to vest, net of forfeitures (in dollars per share)	4.97		4.97
Options exercisable, end of period (in dollars per share)	$ 5.24		$ 5.24
Weighted average Remaining Contractual Life [Abstract]
Options outstanding			5 years 2 months 19 days		5 years 7 months 6 days
Options vested and unvested options expected to vest, net of forfeitures, end of period			5 years 2 months 19 days
Option exercisable, end of period			4 years 10 months 13 days
Aggregate Intrinsic Value [Abstract]
Options outstanding, beginning of period			$ 5,573,000
Options outstanding, end of period	$ 1,751,000		1,751,000		$ 5,573,000
Options vested and expected to vest, end of period	1,745,000		1,745,000
Options exercisable, end of period	$ 1,263,000		$ 1,263,000
Closing price (in dollars per share)	$ 5.86		$ 5.86