XML 105 R93.htm IDEA: XBRL DOCUMENT v3.10.0.1
Deposits and Related Interest (Deposits by Components) (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Deposits, by Component, Alternative [Abstract]    
Noninterest-bearing demand deposit $ 1,107,567 $ 969,525
Interest-bearing saving and demand deposits 2,412,690 2,274,116
Individual Retirement Account 204,715 231,376
Retail certificates of deposists 610,118 595,983
Institutional certificates of deposits 223,025 209,951
Total Core Deposits 4,558,115 4,280,951
Brokered Deposists 530,878 518,531
Deposits, Total $ 5,088,993 $ 4,799,482