FAIR VALUE (Deposits held for sale narrative) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($) branch	Dec. 31, 2018 USD ($)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Deposits held for sale	$ 118,564	$ 106,409
Disposal Group, Held-for-sale, Not Discontinued Operations
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Number of branch locations | branch	5
Deposits held for sale	$ 118,600