SECURITIES - Amortized cost and estimated fair values of investments in securities (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Debt securities available for sale:
Amortized cost	$ 227,053	$ 228,251
Fair Value	235,438	231,262
Securities Available for Sale
Debt securities available for sale:
Amortized cost	227,053	228,251
Gross Unrealized Gains	8,394	3,400
Gross Unrealized Losses	(9)	(389)
Fair Value	235,438	231,262
Securities Available for Sale \| State and municipal securities
Debt securities available for sale:
Amortized cost	61,661	51,525
Gross Unrealized Gains	3,246	1,761
Gross Unrealized Losses	(1)	(7)
Fair Value	64,906	53,279
Securities Available for Sale \| Collateralized mortgage obligations
Debt securities available for sale:
Amortized cost	43,503	55,784
Gross Unrealized Gains	604	324
Gross Unrealized Losses	(7)	(119)
Fair Value	44,100	55,989
Securities Available for Sale \| Mortgage-backed securities
Debt securities available for sale:
Amortized cost	120,722	119,787
Gross Unrealized Gains	4,524	1,315
Gross Unrealized Losses	(1)	(255)
Fair Value	125,245	120,847
Securities Available for Sale \| Equity securities
Debt securities available for sale:
Amortized cost	1,167	1,155
Gross Unrealized Gains	20
Gross Unrealized Losses		(8)
Fair Value	$ 1,187	$ 1,147

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).

No definition available.

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Amount, before tax, of unrealized loss 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).

+ References

No definition available.

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- Definition

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)
-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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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
-Topic 326
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563

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