v3.20.4
Condensed Consolidated Statement of Operations (Parenthetical) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2018
Management Fee Expense, Rebates $ 400 $ 400 $ 300 $ 300  
Management fee rebate         $ 1,380
Interest Expense 16,083 15,678 13,383 11,562 56,707 [1]
Interest income 35,694 35,300 31,941 28,092 131,027 [1]
Consolidated Entities [Member]          
Interest Expense 1,200 700 800 900 3,600
Interest income $ 2,100 $ 1,300 $ 1,300 $ 1,300 $ 6,000
[1] Includes interest income and interest expense of a consolidated securitization trust of $6.0 million and $3.6 million, respectively, for the year ended December 31, 2018. See Note 6 for further details on the Company's consolidated securitization trust.