Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Interest and dividend income:
Loans receivable	$ 43,043	$ 39,374
Securities available-for-sale	5,074	4,307
Securities held-to-maturity	381	0
Federal funds and interest earning deposits	103	34
Federal Home Loan Bank stock dividends	567	413
Total interest and dividend income	49,168	44,128
Interest expense:
Deposits	7,632	6,216
Borrowings	4,609	4,508
Total interest expense	12,241	10,724
Net interest income	36,927	33,404
Provision for loan losses	3,400	0
Net interest income after provision for loan losses	33,527	33,404
Non-interest income:
Demand deposit account fees	960	851
Bank-owned life insurance	1,089	1,087
Title insurance fees	1,018	1,337
Loan fees and service charges	542	452
(Loss) gain on securities transactions, net	(60)	411
Gain on sale of loans receivable, net	0	409
Other non-interest income	1,125	960
Total non-interest income	4,674	5,507
Non-interest expense:
Compensation and employee benefits expense	15,621	15,010
Occupancy expense	3,386	3,222
Federal insurance premiums expense	414	412
Advertising expense	1,408	711
Professional fees expense	398	219
Data processing expense	595	531
Charitable contributions	60	120
Other non-interest expense	3,659	3,827
Total non-interest expense	25,541	24,052
Income before income tax expense	12,660	14,859
Income tax expense	8,982	4,866
Net income	$ 3,678	$ 9,993