LOAN PERFORMANCE - Troubled debt restructurings due to borrower's financial difficulties (Details) $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($) loan	Jun. 30, 2019 USD ($) loan
Restructured loans
Number of loans \| loan	35	2
Premodification outstanding Recorded Investment	$ 27,039	$ 278
Restructured Payments
Restructured loans
Postmodification recorded investment	26,297
Extended Maturity, Restructured Payments and Adjusted Interest Rate
Restructured loans
Postmodification recorded investment	$ 764	$ 278
Commercial and industrial
Restructured loans
Number of loans \| loan	17	1
Premodification outstanding Recorded Investment	$ 3,131	$ 163
Commercial and industrial \| Restructured Payments
Restructured loans
Postmodification recorded investment	2,899
Commercial and industrial \| Extended Maturity, Restructured Payments and Adjusted Interest Rate
Restructured loans
Postmodification recorded investment	$ 232	$ 163
Commercial real estate
Restructured loans
Number of loans \| loan	8
Premodification outstanding Recorded Investment	$ 9,715
Commercial real estate \| Restructured Payments
Restructured loans
Postmodification recorded investment	$ 9,715
Construction and development
Restructured loans
Number of loans \| loan	5
Premodification outstanding Recorded Investment	$ 12,564
Construction and development \| Restructured Payments
Restructured loans
Postmodification recorded investment	12,032
Construction and development \| Extended Maturity, Restructured Payments and Adjusted Interest Rate
Restructured loans
Postmodification recorded investment	$ 532
1-4 family residential
Restructured loans
Number of loans \| loan	5	1
Premodification outstanding Recorded Investment	$ 1,629	$ 115
1-4 family residential \| Restructured Payments
Restructured loans
Postmodification recorded investment	$ 1,651
1-4 family residential \| Extended Maturity, Restructured Payments and Adjusted Interest Rate
Restructured loans
Postmodification recorded investment		$ 115

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Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount, before troubled debt restructuring, of financing receivable to be modified.

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