EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net income available to stockholders	$ 526,705	$ 466,379	$ 434,957
Undistributed earnings for the period	$ 198,804	$ 168,248	$ 170,609
Weighted-average shares outstanding:
Weighted average shares outstanding - basic (in shares)	484,105	484,249	489,949
Dilutive effect of restricted stock units	$ 42	$ 46	$ 181
Total weighted-average shares outstanding - diluted (in shares)	484,147	484,295	490,130
Basic earnings per share:
Basic earnings per share (in USD per share)	$ 1.09	$ 0.96	$ 0.89
Diluted earnings per share:
Diluted earnings per share (in USD per share)	$ 1.09	$ 0.96	$ 0.89
Common Stock
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less dividends paid:	$ (326,693)	$ (296,818)	$ (263,016)
Undistributed earnings for the period	$ 198,072	$ 167,507	$ 169,687
Weighted-average shares outstanding:
Weighted average shares outstanding - basic (in shares)	482,322	482,117	487,480
Basic earnings per share:
Distributed earnings (in USD per share)	$ 0.68	$ 0.62	$ 0.54
Undistributed earnings (in USD per share)	0.41	0.34	0.35
Diluted earnings per share:
Distributed earnings (in USD per share)	0.68	0.62	0.54
Undistributed earnings (in USD per share)	0.41	0.34	0.35
Diluted earnings per share (in USD per share)	$ 1.09	$ 0.96	$ 0.89
Time-lapse restricted awards
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Less dividends paid:	$ (1,208)	$ (1,313)	$ (1,332)
Undistributed earnings for the period	$ 732	$ 741	$ 859
Weighted-average shares outstanding:
Weighted average shares outstanding - basic (in shares)	1,783	2,132	2,469
Restricted stock units
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Undistributed earnings for the period	$ 0	$ 0	$ 63