Annual report pursuant to Section 13 and 15(d)

SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassification from accumulated other comprehensive income (Details)

v3.19.1
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Reclassification from accumulated other comprehensive income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Debt Securities, Available-for-sale [Line Items]      
Realized and unrealized (gain) loss on investments $ (131) $ 6,243 $ 685
Gain on deconsolidation 0 0 (82,130)
Interest expense, net 16,639 19,581 52,868
Total reclassifications $ 38,683 42,201 (77,336)
Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Total reclassifications   (2,345) (471)
Net realized (gain) loss on securities | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Impairment   0 54
Gain on deconsolidation   0 (20,682)
Total reclassifications   (2,345) (451)
(Gain) on settlement of real estate securities | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Realized and unrealized (gain) loss on investments   (2,345) (19,129)
Loss on settlement of real estate securities | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Realized and unrealized (gain) loss on investments   0 16,178
Unrealized loss on real estate securities, intent-to-sell, reclassified from AOCI into income | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Realized and unrealized (gain) loss on investments   0 23,128
Net realized (gain) on derivatives designated as cash flow hedges | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Total reclassifications   0 (20)
Amortization of deferred hedge (gain) | Reclassification from AOCI into net income      
Debt Securities, Available-for-sale [Line Items]      
Interest expense, net   $ 0 $ (20)