LOANS HELD FOR INVESTMENT, Investment in loans Disaggregated Based on Method of Evaluating Impairment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Recorded Investment [Abstract]
Individually Evaluated	$ 8,006	$ 7,771
Collectively Evaluated	2,445,625	2,429,806
Allowance for Loan Losses [Abstract]
Individually Evaluated	1,191	1,344
Collectively Evaluated	38,458	40,754
Commercial Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated	1,063	1,101
Collectively Evaluated	770,427	754,343
Allowance for Loan Losses [Abstract]
Individually Evaluated	546	584
Collectively Evaluated	14,075	16,661
Commercial [Member] \| Specialized [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	350,143	378,725
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	3,275	4,363
Commercial [Member] \| General [Member]
Recorded Investment [Abstract]
Individually Evaluated	4,941	5,078
Collectively Evaluated	470,652	454,946
Allowance for Loan Losses [Abstract]
Individually Evaluated	479	585
Collectively Evaluated	9,461	7,881
Consumer [Member] \| 1-4 Family Residential [Member]
Recorded Investment [Abstract]
Individually Evaluated	2,002	1,592
Collectively Evaluated	376,359	386,098
Allowance for Loan Losses [Abstract]
Individually Evaluated	166	175
Collectively Evaluated	4,765	5,093
Consumer [Member] \| Auto Loans [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	255,703	240,719
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	3,681	3,653
Consumer [Member] \| Other Consumer [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	73,245	68,113
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	1,384	1,357
Construction [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	149,096	146,862
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	$ 1,817	$ 1,746

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- Definition

The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (g)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

+ References

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=123577603&loc=SL6953423-111524

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- References

No definition available.

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