Amount of deferred loan fees and gains on financing receivables.

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Percentage of loans receivable weighted average interest rate, as of the indicated date.

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Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Classes of loans (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	$ 4,637,241		$ 4,581,381
Allowance for credit losses on loans	(64,753)	$ (64,852)	(63,480)	$ (62,761)	$ (61,058)	$ (60,754)
Deferred loan fees and gains, net	(7,921)		(11,065)
Loans receivable, net	$ 4,564,567		$ 4,506,836
Weighted average interest rate	6.16%		5.54%
One- to four-family residential construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	$ 29,383		$ 33,849
Subdivision construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	26,412		32,067
Land development
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	54,633		41,613
Commercial construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	750,818		757,690
Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	773,082		778,533
Non-owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	123,750		124,870
Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	1,503,915		1,530,663
Other residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	845,373		781,761
Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	343,648		293,228
Industrial revenue bonds
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	12,292		12,852
Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	29,329		37,281
Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	32,941		33,732
Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans receivable	$ 111,665		$ 123,242