XML 32 R48.htm IDEA: XBRL DOCUMENT v3.19.3
Derivatives - Schedule of Balance Sheet Classification and Fair Value of Instruments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Other assets    
Derivative [Line Items]    
Other assets $ 3,141 $ 42,324
Other liabilities    
Derivative [Line Items]    
Other liabilities $ 43,880 $ 2,131