XML 53 R40.htm IDEA: XBRL DOCUMENT v3.8.0.1
Investment in Unconsolidated Ventures - Summarized Income Statement Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Equity Method Investments and Joint Ventures [Abstract]    
Revenues $ 3,381 $ 22,301
Earnings (loss) 4,280 12,221
Equity in earnings of unconsolidated ventures $ 1,529 $ 6,362