XML 134 R103.htm IDEA: XBRL DOCUMENT v3.20.1
DEPOSITS - Narrative (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Cash and Cash Equivalents [Line Items]    
Brokered time deposits $ 16.1 $ 126.6
Bank Time Deposits    
Cash and Cash Equivalents [Line Items]    
Time deposits that meet or exceed the FDIC limit $ 69.1 $ 40.3