LOANS AND THE ALLOWANCE FOR LOAN LOSSES - Recorded investment in company's loans (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	$ 2,150,148,000	$ 1,954,168,000
Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	2,114,848,000	1,938,462,000
Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	7,956,000	8,875,000
Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	6,195,000	6,831,000
Not Rated
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	21,149,000
Doubtful
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	0	0
Cash, Securities and Other
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	180,738,000	261,190,000
Cash, Securities and Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	180,734,000	261,184,000
Cash, Securities and Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	4,000	6,000
Consumer and Other
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	47,855,000	34,758,000
Consumer and Other | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	26,704,000	34,756,000
Consumer and Other | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	2,000	2,000
Consumer and Other | Not Rated
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	21,149,000
Construction and Development
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	162,426,000	178,716,000
Construction and Development | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	162,426,000	176,194,000
Construction and Development | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment		2,522,000
1-4 Family Residential
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	732,725,000	580,872,000
1-4 Family Residential | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	732,657,000	580,797,000
1-4 Family Residential | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	68,000	75,000
Non-Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	489,111,000	482,622,000
Non-Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	483,848,000	476,670,000
Non-Owner Occupied CRE | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	5,263,000	5,952,000
Owner Occupied CRE
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	224,597,000	212,426,000
Owner Occupied CRE | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	222,714,000	210,493,000
Owner Occupied CRE | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	1,883,000	1,933,000
Commercial. and Industrial.
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	312,696,000	203,584,000
Commercial. and Industrial. | Pass
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	305,765,000	198,368,000
Commercial. and Industrial. | Special Mention
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	2,693,000	401,000
Commercial. and Industrial. | Substandard
Financing Receivable, Recorded Investment [Line Items]
Total loans held for investment	$ 4,238,000	$ 4,815,000