Annual report pursuant to Section 13 and 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Narrative (Details)

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FAIR VALUES OF ASSETS AND LIABILITIES - Narrative (Details)
 3 Months Ended
Dec. 31, 2020
Level 1  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Percentage of available-for-sale and trading securities in Level 1 (less than) 1.00%
Level 2  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Percentage of available-for-sale and trading securities in Level 2 82.00%
Level 3  
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]  
Percentage of available-for-sale and trading securities in Level 3 18.00%