XML 143 R127.htm IDEA: XBRL DOCUMENT v3.8.0.1
LOANS HELD FOR SALE - Portfolio of Loans Held For Sale Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Jun. 30, 2015
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accounts Notes And Loans Receivable [Line Items]          
Loans held for sale $ 50,006   $ 32,980 $ 50,006  
Non-performing loan sold $ 16,300 $ 147,500      
Transfer Of Loans Held For Sale To Portfolio Loans 1     $ 10,234 $ 1,443 $ 40,086
Construction Loans [Member]          
Accounts Notes And Loans Receivable [Line Items]          
Non-performing loan sold   11,000      
Commercial Mortgage Loans [Member]          
Accounts Notes And Loans Receivable [Line Items]          
Non-performing loan sold   $ 90,700