EARNINGS PER COMMON SHARE - Schedule of Computation of Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net income per share calculations for basic and diluted methods
Net income available to common stockholders	$ 125,386	$ 113,691	$ 122,565
Weighted Average Shares Outstanding
Weighted average number of common shares outstanding, basic (in shares)	84,007,614	56,610,032	55,432,322
Weighted average number of common shares outstanding, diluted (in shares)	85,133,626	57,543,001	56,256,148
Basic earnings per common share (in dollars per share)	$ 1.49	$ 2.01	$ 2.21
Diluted earnings per common share (in dollars per share)	$ 1.47	$ 1.98	$ 2.18
Options
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	47	753	0
Warrants
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	0	0	324
SSARs
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	188,571	0	0
RSU awards
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	822,771	662,341	647,217
PSU awards
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	85,022	243,166	151,190
DSU awards
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	18,335	19,956	18,154
ESPP
Weighted Average Shares Outstanding
Dilutive effect of common stock equivalents (in shares)	11,266	6,753	6,941