LOANS HELD FOR INVESTMENT, Investment in loans Disaggregated Based on Method of Evaluating Impairment (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Recorded Investment [Abstract]
Individually Evaluated	$ 8,168	$ 4,167
Collectively Evaluated	2,323,548	2,139,456
Allowance for Loan Losses [Abstract]
Individually Evaluated	876	525
Collectively Evaluated	39,759	23,672
Commercial Real Estate [Member]
Recorded Investment [Abstract]
Individually Evaluated	4,379	299
Collectively Evaluated	651,527	657,896
Allowance for Loan Losses [Abstract]
Individually Evaluated	560	0
Collectively Evaluated	14,596	5,049
Commercial [Member] \| Specialized [Member]
Recorded Investment [Abstract]
Individually Evaluated	1,074	573
Collectively Evaluated	324,868	308,932
Allowance for Loan Losses [Abstract]
Individually Evaluated	190	0
Collectively Evaluated	6,424	2,287
Commercial [Member] \| General [Member]
Recorded Investment [Abstract]
Individually Evaluated	878	1,396
Collectively Evaluated	620,027	440,002
Allowance for Loan Losses [Abstract]
Individually Evaluated	126	525
Collectively Evaluated	9,167	9,084
Consumer [Member] \| 1-4 Family Residential [Member]
Recorded Investment [Abstract]
Individually Evaluated	1,837	1,899
Collectively Evaluated	358,471	360,897
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	2,926	2,093
Consumer [Member] \| Auto Loans [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	202,263	215,209
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	3,939	3,385
Consumer [Member] \| Other Consumer [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	69,754	74,000
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	1,640	1,341
Construction [Member]
Recorded Investment [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	96,638	82,520
Allowance for Loan Losses [Abstract]
Individually Evaluated	0	0
Collectively Evaluated	$ 1,067	$ 433

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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=121611835&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=121611835&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=121611835&loc=SL6953423-111524

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- References

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