EARNINGS PER COMMON SHARE (Schedule of Earnings Per Share Basic and Diluted) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income	$ 166,239	$ 146,151	$ 74,327
Income available to common shareholders	$ 166,239	$ 144,896	$ 67,815
Average common shares outstanding (in shares)	48,033	50,956	51,358
Average potential common shares-options (in shares)	403	414	197
Total weighted average common shares outstanding and equivalents (in shares)	48,436	51,370	51,555
Earnings per common share - basic (in dollars per share)	$ 3.46	$ 2.85	$ 1.32
Earnings per common share - diluted (in dollars per share)	$ 3.44	$ 2.81	$ 1.32
Preferred Non-Convertible Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Non-convertible preferred stock (Series A, B, and D)	$ 0	$ (1,255)	$ (6,512)