XML 63 R51.htm IDEA: XBRL DOCUMENT v3.19.1
SECURITIES - Narrative (Details) - USD ($)
6 Months Ended
Mar. 31, 2019
Oct. 01, 2018
Sep. 30, 2018
Item Effected [Line Items]      
Equity securities cost $ 1,800,000    
Equity securities fair value 1,900,000    
Equity Securities without readily determinable fair value, amount 2,400,000   $ 2,000,000
Federal Home Loan Bank Stock, at cost 7,436,000   $ 23,400,000
Impairment recognized $ 0    
Accounting Standards Update 2016-01 | Retained Earnings      
Item Effected [Line Items]      
Cumulative Effect of New Accounting Principle in Period of Adoption   $ 475,000