STOCK-BASED COMPENSATION - Other Information (Details) - Restricted shares of common stock - USD ($)	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Stock-based compensation
Unrecognized compensation cost related to non-vested restricted shares	$ 9,732,000
Unrecognized compensation cost related to non-vested restricted shares recognized period	4 years
Tax benefits for compensation tax deductions in excess of compensation expense	$ 3,000	$ 285,000

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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