SALE OF BUSINESS AND ASSETS AND LIABILITIES HELD FOR SALE - Assets and Liabilities Held-for-sale (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total assets held for sale	$ 35,656	$ 0
Total liabilities held for sale	14,850	$ 0
Financial Services Business | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accounts receivable, net	7,404
Prepaid expenses and other current assets	1,581
Premises and equipment, net	12,506
Goodwill	2,378
Intangible assets, net	10,846
Other assets	941
Total assets held for sale	35,656
Accounts payable and accrued expenses	4,792
Other current liabilities	2,632
Other non-current liabilities	7,426
Total liabilities held for sale	$ 14,850