LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES - Past Due Status (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	$ 7,534,000
Nonaccrual	7,534,000	$ 2,155,000
Loans, before allowance for credit losses	3,244,655,000
Loans, before allowance for credit losses		2,620,253,000
Internal Review Threshold	750,000
Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	2,213,000
Loans, before allowance for credit losses		1,346,000
Current \| 90+ Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	1,000
Loans, before allowance for credit losses		146,000
Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	3,234,907,000
Loans, before allowance for credit losses		2,616,606,000
Commercial and industrial
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	174,000
Nonaccrual		219,000
Loans, before allowance for credit losses	385,768,000
Loans, before allowance for credit losses		266,757,000
Commercial and industrial \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	90,000
Loans, before allowance for credit losses		17,000
Commercial and industrial \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	385,504,000
Loans, before allowance for credit losses		266,521,000
Commercial real estate - owner occupied
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	251,000
Nonaccrual		74,000
Loans, before allowance for credit losses	303,522,000
Loans, before allowance for credit losses		218,503,000
Commercial real estate - owner occupied \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	126,000
Loans, before allowance for credit losses		187,000
Commercial real estate - owner occupied \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	303,145,000
Loans, before allowance for credit losses		218,242,000
Commercial real estate - non-owner occupied
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	390,000
Nonaccrual		171,000
Loans, before allowance for credit losses	882,598,000
Loans, before allowance for credit losses		713,202,000
Commercial real estate - non-owner occupied \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	882,208,000
Loans, before allowance for credit losses		713,031,000
Construction and land development
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	238,000
Loans, before allowance for credit losses	335,262,000
Loans, before allowance for credit losses		360,824,000
Construction and land development \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses		61,000
Construction and land development \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	335,024,000
Loans, before allowance for credit losses		360,763,000
Multi-family
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	958,000
Loans, before allowance for credit losses	375,536,000
Loans, before allowance for credit losses		287,865,000
Multi-family \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	90,000
Loans, before allowance for credit losses		11,000
Multi-family \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	374,488,000
Loans, before allowance for credit losses		287,854,000
One-to-four family residential
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	5,447,000
Nonaccrual		1,638,000
Loans, before allowance for credit losses	482,442,000
Loans, before allowance for credit losses		338,253,000
One-to-four family residential \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	1,522,000
Loans, before allowance for credit losses		894,000
One-to-four family residential \| Current \| 90+ Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses		145,000
One-to-four family residential \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	475,473,000
Loans, before allowance for credit losses		335,576,000
Agricultural and farmland
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	259,858,000
Loans, before allowance for credit losses		237,746,000
Agricultural and farmland \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	128,000
Loans, before allowance for credit losses		19,000
Agricultural and farmland \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	259,730,000
Loans, before allowance for credit losses		237,727,000
Municipal, consumer, and other
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Nonaccrual	76,000
Nonaccrual		53,000
Loans, before allowance for credit losses	219,669,000
Loans, before allowance for credit losses		197,103,000
Municipal, consumer, and other \| Current \| 30 - 89 Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	257,000
Loans, before allowance for credit losses		157,000
Municipal, consumer, and other \| Current \| 90+ Days Past Due
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	1,000
Loans, before allowance for credit losses		1,000
Municipal, consumer, and other \| Current \| Financial Asset, Not Past Due [Member]
LOANS AND THE ALLOWANCE FOR LOAN LOSSES
Loans, before allowance for credit losses	$ 219,335,000
Loans, before allowance for credit losses		$ 196,892,000

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