XML 54 R38.htm IDEA: XBRL DOCUMENT v3.8.0.1
Allowance for Loan Losses - Average Recorded Investment and Interest Income Recognized for TDR (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Receivables [Abstract]    
Average Recorded Investment $ 1,032,232 $ 669,606
Interest Income Recognized $ 17,847 $ 12,257