STOCK-BASED COMPENSATION - Summary of Share-Based Compensation Activity (Details) - $ / shares		3 Months Ended	12 Months Ended
		Mar. 31, 2022	Dec. 31, 2021
Restricted Stock Units
Share-Based Awards - Shares
Unvested at December 31, 2021 (in shares)		281,924
Granted (in shares)		161,384
Vested (in shares)		(129,438)
Forfeited (in shares)		(11,234)
Unvested at March 31, 2022 (in shares)		302,636	281,924
Share-Based Awards - Weighted Average Grant Date Fair Value
Unvested at December 31, 2021 (in dollars per share)		$ 1,914
Granted (in dollars per share)		2,102
Vested (in dollars per share)		1,805
Forfeited (in dollars per share)		2,022
Unvested at March 31, 2022 (in dollars per share)		$ 2,057	$ 1,914
Performance Share Units
Share-Based Awards - Shares
Unvested at December 31, 2021 (in shares)	[1]	108,323
Granted (in shares)	[2],[3]	50,063
Vested (in shares)		(42,888)
Performance share units adjustment (in shares)	[4]	31,598
Forfeited (in shares)		(1,128)
Unvested at March 31, 2022 (in shares)		145,968	108,323	[1]
Share-Based Awards - Weighted Average Grant Date Fair Value
Unvested at December 31, 2021 (in dollars per share)	[1]	$ 2,123
Granted (in dollars per share)	[2],[3]	2,211
Vested (in dollars per share)		1,854
Performance share units adjustment (in dollars per share)	[4]	2,392
Forfeited (in dollars per share)		2,274
Unvested at March 31, 2022 (in dollars per share)		$ 2,290	$ 2,123	[1]
Performance Share Units | 2021 Grants
Share-Based Awards - Weighted Average Grant Date Fair Value
Performance share units awarded during the period where a grant date was not yet established (in shares)			12,251
Performance share units awarded during the period where a grant date was established (in shares)		7,856
Performance Share Units | 2022 Grants
Share-Based Awards - Weighted Average Grant Date Fair Value
Performance share units awarded during the period where a grant date was not yet established (in shares)		9,692

[1] Excludes 12,251 performance share units awarded during the year ended December 31, 2021 for which the grant date under Accounting Standards Codification ("ASC") 718, Compensation - Stock Compensation, was not established as of December 31, 2021. Among other conditions, for the grant date to be established, a mutual understanding is required to be reached between the Company and the employee of the key terms and conditions of the award, including the performance targets. The performance targets for each of the annual performance periods under the award are set at the beginning of the respective year.

[2] Excludes 9,692 performance share units awarded during the three months ended March 31, 2022 for which the grant date under ASC 718 has not been established as of March 31, 2022.

[3] Includes 7,856 performance share units awarded during the year ended December 31, 2021 for which the grant date under ASC 718 was established.

[4] Probable outcome for performance-based awards is updated based upon changes in actual and forecasted operating results or expected achievement of performance goals, as applicable, and the impact of modifications.