SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Changes in Restricted Common Shares) (Details)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Performance Shares [Member]
Number of Shares
Balance at Beginning | shares	225,435
Shares granted | shares	71,482
Vested | shares	(53,729)
Forfeited | shares	(5,284)
Balance at end | shares	237,904
Weighted Average Grant Date Fair Value
Balance at Beginning | $ / shares	$ 20.29
Granted | $ / shares	35.93
Vested | $ / shares	26.34
Forfeited | $ / shares	17.92
Balance at end | $ / shares	$ 23.68
Restricted stock [Member]
Number of Shares
Balance at Beginning | shares	701,145
Shares granted | shares	233,910
Vested | shares	(252,955)
Forfeited | shares	(16,434)
Balance at end | shares	665,666
Weighted Average Grant Date Fair Value
Balance at Beginning | $ / shares	$ 21.93
Granted | $ / shares	36.86
Vested | $ / shares	21.46
Forfeited | $ / shares	19.80
Balance at end | $ / shares	$ 27.41