LOANS HELD FOR INVESTMENT, Impaired Loan Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	$ 8,006	$ 7,771
Recorded Investment [Abstract]
Recorded Investment With No Allowance	2,410	2,023
Recorded Investment With Allowance	5,596	5,748
Total Recorded Investment	8,006	7,771
Related Allowance	1,191	1,344
Average Recorded Investment	9,202	10,396
Minimum [Member]
Recorded Investment [Abstract]
Threshold balance of loan to be specifically reviewed for impairment	250
Commercial Real Estate [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	1,063	1,101
Recorded Investment [Abstract]
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	1,063	1,101
Total Recorded Investment	1,063	1,101
Related Allowance	546	584
Average Recorded Investment	2,375	3,687
Commercial [Member] \| Specialized [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment [Abstract]
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Commercial [Member] \| General [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	4,941	5,078
Recorded Investment [Abstract]
Recorded Investment With No Allowance	1,112	1,143
Recorded Investment With Allowance	3,829	3,935
Total Recorded Investment	4,941	5,078
Related Allowance	479	585
Average Recorded Investment	4,897	4,852
Consumer [Member] \| 1-4 Family Residential [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	2,002	1,592
Recorded Investment [Abstract]
Recorded Investment With No Allowance	1,298	880
Recorded Investment With Allowance	704	712
Total Recorded Investment	2,002	1,592
Related Allowance	166	175
Average Recorded Investment	1,930	1,857
Consumer [Member] \| Auto Loans [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment [Abstract]
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Consumer [Member] \| Other Consumer [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment [Abstract]
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	0
Construction [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
Recorded Investment [Abstract]
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	$ 0	$ 0

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The amount of threshold balance of loan to be specifically reviewed for impairment.

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
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-SubTopic 10
-Section 50
-Paragraph 14A
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