XML 53 R42.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investments - Schedule of Real Estate Investment (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Real Estate [Line Items]    
Investment real estate, net $ 19,406 $ 18,474
Income Producing [Member]    
Real Estate [Line Items]    
Investment real estate 14,530 6,918
Less: Accumulated depreciation (561) (460)
Investment real estate, net 13,969 6,458
Non-Income Producing [Member]    
Real Estate [Line Items]    
Properties under development $ 5,437 $ 12,016