LOANS HELD FOR INVESTMENT, Impaired Loan Information (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2021	Dec. 31, 2020
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	$ 10,954	$ 13,440
Recorded Investment [Abstract]
Recorded Investment With No Allowance	5,604	9,159
Recorded Investment With Allowance	4,931	3,862
Total Recorded Investment	10,535	13,021
Related Allowance	760	1,095
Average Recorded Investment	11,779	9,894
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	2,529	6,273
Recorded Investment [Abstract]
Recorded Investment With No Allowance	2,529	3,673
Recorded Investment With Allowance	0	2,600
Total Recorded Investment	2,529	6,273
Related Allowance	0	580
Average Recorded Investment	4,401	3,666
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	673
Commercial [Member] \| General [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	5,709	4,626
Recorded Investment [Abstract]
Recorded Investment With No Allowance	1,567	3,364
Recorded Investment With Allowance	4,142	1,262
Total Recorded Investment	5,709	4,626
Related Allowance	640	515
Average Recorded Investment	5,168	3,400
Consumer [Member] \| 1-4 Family Residential [Member]
Impaired Loan Information [Abstract]
Unpaid Contractual Principal Balance	2,716	2,541
Recorded Investment [Abstract]
Recorded Investment With No Allowance	1,508	2,122
Recorded Investment With Allowance	789	0
Total Recorded Investment	2,297	2,122
Related Allowance	120	0
Average Recorded Investment	2,210	2,155
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.

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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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