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STOCKHOLDERS' EQUITY - Summary of Stock Option Activity (Detail)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2021
USD ($)
$ / shares
shares
Stock Options  
Outstanding, beginning balance (in shares) | shares 90,000
Granted (in shares) | shares 8,000
Exercised (in shares) | shares (21,000)
Forfeited or expired (in shares) | shares 0
Outstanding, ending balance (in shares) | shares 77,000
Exercisable (in shares) | shares 69,000
Weighted Average Exercise Price  
Outstanding, beginning balance (in dollars per share) | $ / shares $ 8.91
Granted (in dollars per share) | $ / shares 68.78
Exercised (in dollars per share) | $ / shares 8.03
Forfeited or expired (in dollars per share) | $ / shares 0
Outstanding, ending balance (in dollars per share) | $ / shares 15.68
Exercisable (in dollars per share) | $ / shares $ 9.18
Weighted average remaining contractual term, outstanding 4 years 4 months 24 days
Weighted average remaining contractual term, exercisable 3 years 9 months 18 days
Aggregate intrinsic value, outstanding | $ $ 5,366
Aggregate intrinsic value, exercisable | $ $ 5,227