Aggregate dividends declared during the period for each share of common stock outstanding.

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SUBSEQUENT EVENT (Details) - USD ($) $ / shares in Units, $ in Thousands		2 Months Ended	12 Months Ended
	Feb. 22, 2023	Feb. 28, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Proceeds from sales of available for sale securities			$ 353,900	$ 4,900
Per share amount of cash dividends declared (in dollars per share)			$ 0.43	$ 0.34	$ 0.28
Federal Home Loan Bank of Dallas
Subsequent Event [Line Items]
Maximum borrowing capacity			$ 2,310,000
Subsequent Event
Subsequent Event [Line Items]
Proceeds from sales of available for sale securities		$ 320,400
Securities sold, recognized net gain		$ 234
Per share amount of cash dividends declared (in dollars per share)	$ 0.13