EMPLOYEE BENEFITS AND STOCK BASED COMPENSATION (Summary of Nonvested Stock Activity) (Details)	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Restricted Stock
Number of Shares of RSAs
Beginning balance (in shares) | shares	431,642
Granted (in shares) | shares	208,514
Net settle for taxes (in shares) | shares	(55,336)
Vested (in shares) | shares	(161,445)
Forfeited (in shares) | shares	(16,868)
Ending balance (in shares) | shares	406,507
Weighted Average Grant-Date Fair Value
Weighted Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares	$ 34.90
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	33.63
Weighted Average Grant Date Fair Value, Net settle for taxes (in dollars per share) | $ / shares	36.40
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	32.09
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	34.19
Weighted Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares	$ 35.61
Performance Stock
Number of Shares of RSAs
Beginning balance (in shares) | shares	144,709
Granted (in shares) | shares	108,302
Net settle for taxes (in shares) | shares	(14,186)
Vested (in shares) | shares	(38,922)
Forfeited (in shares) | shares	(2,093)
Ending balance (in shares) | shares	197,810
Weighted Average Grant-Date Fair Value
Weighted Average Grant Date Fair Value, Beginning balance (in dollars per share) | $ / shares	$ 37.24
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	33.99
Weighted Average Grant Date Fair Value, Net settle for taxes (in dollars per share) | $ / shares	44.72
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	39.80
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	32.50
Weighted Average Grant Date Fair Value, Ending balance (in dollars per share) | $ / shares	$ 34.84