DERIVATIVE FINANCIAL INSTRUMENTS (Details 5) (USD $)	Mar. 31, 2015		Dec. 31, 2014
Counterparties assets
Assets, Derivatives
Gross Amounts of Recognized Assets	$ 13,564,000		$ 12,396,000
Gross Amounts Offset On the Consolidated Balance Sheet	0		0
Net Amounts of Assets Presented	13,564,000		12,396,000
Gross Amounts Not Offset on the Consolidated Balance Sheet
Financial Instruments	(6,002,000)	[1]	(5,725,000)	[1]
Collateral Received	(6,480,000)	[2]	(3,463,000)	[2]
Net Amount	1,082,000		3,208,000
Cash collateral received	6,500,000		3,500,000
Counterparties liabilities
Liabilities, Derivatives
Gross Amounts of Recognized Liabilities	79,890,000		56,505,000
Gross Amounts Offset On the Consolidated Balance Sheet	0		0
Net Amounts of Liabilities Presented	79,890,000		56,505,000
Gross Amounts Not Offset on the Consolidated Balance Sheet
Financial Instruments	(6,002,000)	[1]	(5,725,000)	[1]
Collateral Posted	(72,018,000)	[3]	(49,951,000)	[3]
Net Amount	1,870,000		829,000
Cash collateral posted	$ 19,000,000		$ 12,800,000

[1] Represents the netting of derivative receivable and payable balance for the same counterparty under enforceable master netting arrangements if the Company has elected to net.

[2] Represents $6.5 million and $3.5 million of cash collateral received against derivative assets with the same counterparty that are subject to enforceable master netting arrangements as of March 31, 2015 and December 31, 2014, respectively.

[3] Represents cash and securities pledged against derivative liabilities with the same counterparty that are subject to enforceable master netting arrangements. Includes approximately $19.0 million and $12.8 million of cash collateral posted as of March 31, 2015 and December 31, 2014, respectively.