LOANS AND ALLOWANCE FOR CREDIT LOSSES - Classes of loans by aging (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	$ 4,377,132	$ 4,427,678
One- to four-family residential construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	38,164	30,258
Subdivision construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	34,141	32,160
Land development
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	51,546	37,519
Commercial construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	278,513	249,224
Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	655,316	656,699
Non-owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	132,727	125,298
Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,482,857	1,556,148
Other residential (multi-family)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,347,498	1,387,410
Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	173,594	178,514
Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	22,489	24,169
Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	20,910	22,249
Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	139,377	128,030
30-59 Days Past Due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	400	25,891
30-59 Days Past Due \| Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	49	830
30-59 Days Past Due \| Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	244	70
30-59 Days Past Due \| Other residential (multi-family)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		24,762
30-59 Days Past Due \| Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		27
30-59 Days Past Due \| Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	77	128
30-59 Days Past Due \| Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	30	74
60-89 Days Past Due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	56	563
60-89 Days Past Due \| Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	44	521
60-89 Days Past Due \| Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	10	12
60-89 Days Past Due \| Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	2	30
Over 90 Days Past Due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,033	2,094
Over 90 Days Past Due \| Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	990	631
Over 90 Days Past Due \| Non-owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		1,435
Over 90 Days Past Due \| Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	36
Over 90 Days Past Due \| Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	7	10
Over 90 Days Past Due \| Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		18
Total Past Due
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,489	28,548
Total Past Due \| Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,083	1,982
Total Past Due \| Non-owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		1,435
Total Past Due \| Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	244	70
Total Past Due \| Other residential (multi-family)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable		24,762
Total Past Due \| Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	36
Total Past Due \| Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	10	39
Total Past Due \| Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	86	168
Total Past Due \| Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	30	92
Current
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	4,375,643	4,399,130
Current \| One- to four-family residential construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	38,164	30,258
Current \| Subdivision construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	34,141	32,160
Current \| Land development
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	51,546	37,519
Current \| Commercial construction
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	278,513	249,224
Current \| Owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	654,233	654,717
Current \| Non-owner occupied one- to four-family residential
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	132,727	123,863
Current \| Commercial real estate
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,482,613	1,556,078
Current \| Other residential (multi-family)
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	1,347,498	1,362,648
Current \| Commercial business
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	173,558	178,514
Current \| Consumer auto
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	22,479	24,130
Current \| Consumer other
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	20,824	22,081
Current \| Home equity lines of credit
LOANS AND ALLOWANCE FOR CREDIT LOSSES
Loans Receivable	$ 139,347	$ 127,938