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MORTGAGE-BACKED SECURITIES (Schedule of Amortized Cost and Fair Values of Mortgage-Backed Securities) (Details) - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost $ 10,492 $ 15,489
Gross Unrealized Gains 104 103
Gross Unrealized Losses (14)
Fair Value 10,582 15,592
Agency [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 99,585 82,059
Gross Unrealized Gains 323 283
Gross Unrealized Losses (197) (140)
Fair Value 99,711 82,202
Private-label [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 373 400
Gross Unrealized Gains 59 57
Gross Unrealized Losses
Fair Value 432 [1] 457
Collateralized Mortgage Obligations [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Amortized Cost 99,958 82,459
Gross Unrealized Gains 382 340
Gross Unrealized Losses (197) (140)
Fair Value $ 100,143 $ 82,659
[1] Fair value estimate provided by the Company’s independent third-party valuation consultant.