FAIR VALUE DISCLOSURES, Estimated Fair Values, and Related Carrying Amounts (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Carrying Amount [Member]
Financial assets [Abstract]
Cash and cash equivalents	$ 383,949	$ 300,307
Loans, net	2,260,499	2,176,030
Accrued interest receivable	11,981	15,233
Bank-owned life insurance	71,631	70,731
Financial liabilities [Abstract]
Deposits	3,158,495	2,974,351
Accrued interest payable	1,951	2,113
Notes payable & other borrowings	0	75,000
Junior subordinated deferrable interest debentures	46,393	46,393
Subordinated debt securities	75,682	75,589
Fair Value [Member]
Financial assets [Abstract]
Cash and cash equivalents	383,949	300,307
Loans, net	2,305,203	2,179,573
Accrued interest receivable	11,981	15,233
Bank-owned life insurance	71,361	70,731
Financial liabilities [Abstract]
Deposits	3,161,086	2,979,439
Accrued interest payable	1,951	2,113
Notes payable & other borrowings	0	75,000
Junior subordinated deferrable interest debentures	45,690	45,690
Subordinated debt securities	77,846	76,889
Level 1 [Member]
Financial assets [Abstract]
Cash and cash equivalents	383,949	300,307
Loans, net	0	0
Accrued interest receivable	0	0
Bank-owned life insurance	0	0
Financial liabilities [Abstract]
Deposits	2,931,301	2,649,830
Accrued interest payable	0	0
Notes payable & other borrowings	0	0
Junior subordinated deferrable interest debentures	0	0
Subordinated debt securities	0	0
Level 2 [Member]
Financial assets [Abstract]
Cash and cash equivalents	0	0
Loans, net	0	0
Accrued interest receivable	11,981	15,233
Bank-owned life insurance	71,361	70,731
Financial liabilities [Abstract]
Deposits	229,785	329,609
Accrued interest payable	1,951	2,113
Notes payable & other borrowings	0	75,000
Junior subordinated deferrable interest debentures	45,690	45,690
Subordinated debt securities	77,846	76,889
Level 3 [Member]
Financial assets [Abstract]
Cash and cash equivalents	0	0
Loans, net	2,305,203	2,179,573
Accrued interest receivable	0	0
Bank-owned life insurance	0	0
Financial liabilities [Abstract]
Deposits	0	0
Accrued interest payable	0	0
Notes payable & other borrowings	0	0
Junior subordinated deferrable interest debentures	0	0
Subordinated debt securities	$ 0	$ 0