XML 116 R104.htm IDEA: XBRL DOCUMENT v3.8.0.1
FEDERAL HOME LOAN BANK ADVANCES AND OTHER BORROWINGS - Summary of Advances from the FHLB (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Fixed rate:    
Outstanding balance $ 730,000 $ 550,000
Variable rate:    
Outstanding balance $ 1,175,000 $ 1,145,000
Weighted average interest rate 1.86% 1.40%
Minimum    
Fixed rate:    
Interest rate 1.23% 1.23%
Maximum    
Fixed rate:    
Interest rate 3.00% 3.00%
Weighted Average    
Fixed rate:    
Interest rate 2.19% 2.02%