FINANCING RECEIVABLES (Credit Risk Profiles of Commercial Real Estate Loans) (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Jun. 30, 2015
Dec. 31, 2014
Schedule Of Financing Receivables [Line Items]      
Loans and receivables $ 2,172,298   $ 1,935,793
Whole Loans [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 1,630,801   1,263,592
Whole Loans [Member] | Rating 1 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 1,596,099   1,231,092
Whole Loans [Member] | Rating 2 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 32,500   32,500
Whole Loans [Member] | Rating 3 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
Whole Loans [Member] | Rating 4 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 2,202   0
Whole Loans [Member] | Held for Sale [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
B Notes [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 15,934   16,072
B Notes [Member] | Rating 1 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 15,934   16,072
B Notes [Member] | Rating 2 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
B Notes [Member] | Rating 3 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
B Notes [Member] | Rating 4 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
B Notes [Member] | Held for Sale [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
Mezzanine Loans [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 45,372 $ 38,100 67,366
Mezzanine Loans [Member] | Rating 1 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 7,300   45,432
Mezzanine Loans [Member] | Rating 2 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   21,934
Mezzanine Loans [Member] | Rating 3 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
Mezzanine Loans [Member] | Rating 4 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 38,072   0
Mezzanine Loans [Member] | Held for Sale [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
Commercial Portfolio Segment [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 1,692,107   1,347,030
Commercial Portfolio Segment [Member] | Rating 1 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 1,619,333   1,292,596
Commercial Portfolio Segment [Member] | Rating 2 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 32,500   54,434
Commercial Portfolio Segment [Member] | Rating 3 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 0   0
Commercial Portfolio Segment [Member] | Rating 4 [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables 40,274   0
Commercial Portfolio Segment [Member] | Held for Sale [Member]      
Schedule Of Financing Receivables [Line Items]      
Loans and receivables $ 0   $ 0