LOANS HELD FOR INVESTMENT, Impaired Loan Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2020	Dec. 31, 2019
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	$ 8,587	$ 5,484
Recorded Investment With No Allowance	4,737	2,771
Recorded Investment With Allowance	3,431	1,396
Total Recorded Investment	8,168	4,167
Related Allowance	876	525
Average Recorded Investment	7,467	6,764
Minimum [Member]
Impaired Loan Information [Abstract]
Threshold balance of loan to be specifically reviewed for impairment	250
Commercial Real Estate [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	4,379	754
Recorded Investment With No Allowance	1,898	299
Recorded Investment With Allowance	2,481	0
Total Recorded Investment	4,379	299
Related Allowance	560	0
Average Recorded Investment	2,719	1,059
Commercial [Member] \| Specialized [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	1,074	573
Recorded Investment With No Allowance	617	573
Recorded Investment With Allowance	457	0
Total Recorded Investment	1,074	573
Related Allowance	190	0
Average Recorded Investment	1,210	1,345
Commercial [Member] \| General [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	878	1,839
Recorded Investment With No Allowance	385	0
Recorded Investment With Allowance	493	1,396
Total Recorded Investment	878	1,396
Related Allowance	126	525
Average Recorded Investment	1,526	2,173
Consumer [Member] \| 1-4 Family [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	2,256	2,318
Recorded Investment With No Allowance	1,837	1,899
Recorded Investment With Allowance	0	0
Total Recorded Investment	1,837	1,899
Related Allowance	0	0
Average Recorded Investment	2,012	2,187
Consumer [Member] \| Auto Loans [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	0	0
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 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 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
-Subparagraph (c)(1)
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5258-111524

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
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-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
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