VARIABLE INTEREST ENTITIES SUPPLEMENTAL CASH FLOW INFORMATION (Details) RSO - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Non-cash financing activities include the following:
Dividends	$ 1,355		$ 1,312
Issuance of restricted stock	3,900	$ 3,700
RSO [Member]
Class of Stock [Line Items]
Assumption of direct financing leases and other assets	48,605	0
Non-cash financing activities include the following:
Issuance of restricted stock	1,158	646
Contribution of equipment-backed securitized notes and other liabilities	33,377	0
RSO [Member] | Common Stock [Member]
Non-cash financing activities include the following:
Dividends	21,426	26,179
RSO [Member] | Redeemable Preferred Stock [Member]
Non-cash financing activities include the following:
Dividends	$ 4,078	$ 4,353