STOCK-BASED COMPENSATION PLAN - Restricted Stock Activity (Details) - $ / shares	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Restricted Stock
Weighted Average Fair Value
Nonvested shares outstanding, beginning balance (in dollars per share)	$ 26.72
Granted (in dollars per share)	34.88
Cancelled/forfeited (in dollars per share)	28.53
Vested (in dollars per share)	27.48
Nonvested shares outstanding, ending balance (in dollars per share)	$ 29.72
Officers & Key Employees | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares outstanding, beginning balance (in shares)	492,475
Granted (in shares)	184,935	243,540
Cancelled/forfeited (in shares)	(71,775)
Vested (in shares)	(140,466)
Nonvested shares outstanding, ending balance (in shares)	465,169
Directors
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares outstanding, ending balance (in shares)	32,003
Weighted Average Fair Value
Nonvested shares outstanding, ending balance (in dollars per share)	$ 33.90
Directors | Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Nonvested shares outstanding, beginning balance (in shares)	54,419
Granted (in shares)	32,003	54,419
Cancelled/forfeited (in shares)	0
Vested (in shares)	(54,419)
Nonvested shares outstanding, ending balance (in shares)	32,003