PURCHASED ACCOUNTS RECEIVABLE (Details) - USD ($)			3 Months Ended		6 Months Ended
	Mar. 28, 2016	Mar. 10, 2016	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]
Noninterest income, income from purchased accounts receivable			$ 2,098,000	$ 1,446,000	$ 3,863,000	$ 2,364,000
Other short-term investments, delinquent accounts receivable balance			7,907,000		7,907,000
Collectibility of Receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loss contingency accrual			$ 0		0
Spanish Company
Accounts, Notes, Loans and Financing Receivable [Line Items]
Reduction in outstanding debt in exchange for controlling stake, percent		70.00%
Additional loans offered in debt restructuring		$ 2,000,000,000
Creditor's approval required for debt restructuring, percent		75.00%
Restructuring Standstill Agreement, Period	7 months
Financing Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Noninterest income, income from purchased accounts receivable					$ 247,000	$ 352,000