LOANS - Loan participation and Loan Guarantees (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Loans
Participations purchased during the period	$ 1,256	$ 20,446
Participations sold during the period	30,330	35,000
SBA loans that were sold with servicing retained	1,700	1,500
Commercial and industrial
Loans
Participations purchased during the period		7,000
Commercial real estate
Loans
Participations purchased during the period	1,256	13,446
Participations sold during the period	$ 30,330	$ 35,000