Consolidated Statements Of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
INTEREST AND DIVIDEND INCOME:
Loans receivable	$ 82,914	$ 76,803	$ 245,175	$ 228,866
Mortgage-backed securities ("MBS")	12,163	9,585	34,451	23,238
FHLB stock	2,197	2,477	6,834	7,591
Cash and cash equivalents	1,620	3,875	6,220	13,166
Investment securities	784	2,255	2,795	7,115
Total interest and dividend income	99,678	94,995	295,475	279,976
INTEREST EXPENSE:
Deposits	35,860	36,233	109,058	102,091
Borrowings	18,360	18,438	54,889	56,648
Total interest expense	54,220	54,671	163,947	158,739
NET INTEREST INCOME	45,458	40,324	131,528	121,237
Provision for credit losses	(451)	1,472	226	1,896
NET INTEREST INCOME AFTER PROVISION FOR CREDIT LOSSES	45,909	38,852	131,302	119,341
NON-INTEREST INCOME:
Net loss from securities transactions	0	0	0	(13,345)
Other non-interest income	1,537	1,098	4,177	3,568
Total non-interest income	5,288	4,709	14,934	458
NON-INTEREST EXPENSE:
Salaries and employee benefits	15,277	13,307	44,447	39,186
Information technology and related expense	5,163	5,364	14,637	15,687
Occupancy, net	3,270	3,263	10,105	10,116
Regulatory and outside services	1,261	1,322	3,843	4,345
Federal insurance premium	1,072	1,352	3,205	4,939
Advertising and promotional	1,453	951	3,035	3,210
Deposit and loan transaction costs	715	726	2,185	2,135
Office supplies and related expense	370	405	1,206	1,185
Other non-interest expense	983	1,260	3,589	4,100
Total non-interest expense	29,564	27,950	86,252	84,903
INCOME BEFORE INCOME TAX EXPENSE	21,633	15,611	59,984	34,896
INCOME TAX EXPENSE	3,251	5,963	10,772	8,943
NET INCOME	$ 18,382	$ 9,648	$ 49,212	$ 25,953
Basic earnings per share ("EPS")	$ 0.14	$ 0.07	$ 0.38	$ 0.20
Diluted EPS	$ 0.14	$ 0.07	$ 0.38	$ 0.20
Basic weighted average common shares	130,081,065	129,866,397	130,026,451	130,923,888
Diluted weighted average common shares	130,081,065	129,866,397	130,026,451	130,923,888
Deposit service fees [Member]
NON-INTEREST INCOME:
Revenue from contracts with customers	$ 2,867	$ 2,706	$ 8,170	$ 7,732
Insurance commissions [Member]
NON-INTEREST INCOME:
Revenue from contracts with customers	$ 884	$ 905	$ 2,587	$ 2,503