RECENT ACCOUNTING PRONOUNCEMENTS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2018
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	$ 36,414	$ 25,688	$ 36,414	$ 25,688	$ 25,171	$ 35,539	$ 26,163	$ 24,712
Provision for credit losses	987	$ 730	12,160	$ 2,647	2,861
Minimum | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	$ 39,000		$ 39,000		$ 27,000
ACL Percentage of Total Loans	1.19%		1.19%		0.87%
Provision for credit losses			$ 9,000
Maximum | ASU 2016-13
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Allowance for credit losses	$ 43,000		$ 43,000		$ 31,000
ACL Percentage of Total Loans	1.31%		1.31%		1.00%
Provision for credit losses			$ 17,000