FAIR VALUE MEASUREMENTS AFS (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Available for Sale:
Amortized Cost	$ 185,655	$ 176,129
Fair Value	188,282	177,292
Unrealized Gains	2,627	1,163
Municipal bonds
Available for Sale:
Amortized Cost	556
Fair Value	561
Unrealized Gains	5
Variable rate demand notes
Available for Sale:
Amortized Cost	1,300	25,845
Fair Value	1,300	25,845
Corporate bonds
Available for Sale:
Amortized Cost	174,835	139,803
Fair Value	177,229	140,797
Unrealized Gains	2,394	994
Government securities
Available for Sale:
Amortized Cost	3,049	3,503
Fair Value	3,149	3,588
Unrealized Gains	100	85
Certificates of deposit
Available for Sale:
Amortized Cost	5,915	6,978
Fair Value	6,043	7,062
Unrealized Gains	$ 128	$ 84

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b)
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Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 210
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-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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