LOANS RECEIVABLE AND OTHER INVESTMENTS - Narrative (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2016 USD ($) loan	Jun. 30, 2016 USD ($) loan	Dec. 31, 2015 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Proceeds from collection of loans receivable and interest received		$ 196,100
Proceeds from collection of loans receivable		170,800
Proceeds from interest received		25,300
Loan loss reserve	$ 6,160	$ 6,160	$ 4,300
Loan Receivable Investment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loan receivable investments, nonaccrual status | loan	4	4
Loans receivable, nonaccrual status	$ 32,200	$ 32,200
Loan loss reserve in period	1,000	3,300
Loan loss reserve	5,900	5,900
Portfolio-Based Loan Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loan loss reserve in period	1,500	1,400
Loan loss reserve	$ 300	$ 300