Annual report pursuant to Section 13 and 15(d)

Schedule IV - Mortgage Loans on Real Estate - Reconciliation of Mortgage Loans (Detail)

v3.10.0.1
Schedule IV - Mortgage Loans on Real Estate - Reconciliation of Mortgage Loans (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2016
Dec. 31, 2018
Dec. 31, 2016
SEC Schedule, 12-29, Real Estate Companies, Investment in Movement in Mortgage Loans on Real Estate [Roll Forward]      
Balance at beginning of period   $ 0  
New mortgage loans $ 0 0 $ 0
Collections of principal $ 0 0 (5,900)
Balance at end of period   $ 0 $ 0