Consolidated Statements of Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Interest and dividend income:
Loans receivable	$ 43,841	$ 40,602	$ 86,884	$ 79,976
Securities available-for-sale	6,415	4,338	11,488	8,646
Securities held-to-maturity	464	0	845	0
Federal funds and interest earning deposits	488	23	591	57
Federal Home Loan Bank stock dividends	586	466	1,154	878
Total interest and dividend income	51,794	45,429	100,962	89,557
Interest expense:
Deposits	8,099	6,072	15,731	12,288
Borrowings	4,633	4,579	9,242	9,086
Total interest expense	12,732	10,651	24,973	21,374
Net interest income	39,062	34,778	75,989	68,183
Provision for loan losses	2,000	375	5,400	375
Net interest income after provision for loan losses	37,062	34,403	70,589	67,808
Non-interest income:
Demand deposit account fees	944	914	1,904	1,765
Bank-owned life insurance	1,064	1,698	2,153	2,785
Title insurance fees	774	967	1,792	2,304
Loan fees and service charges	453	495	995	947
(Loss) gain on securities transactions, net	116	0	55	411
Gain on sale of loans receivable, net	0	102	0	510
Gain on sale of real estate owned	0	209	0	197
Other non-interest income	1,134	1,373	2,261	2,333
Total non-interest income	4,485	5,758	9,160	11,252
Non-interest expense:
Compensation and employee benefits expense	16,525	15,980	32,146	30,989
Occupancy expense	3,716	3,431	7,102	6,653
Federal insurance premiums expense	428	413	843	825
Advertising expense	847	681	2,255	1,392
Professional fees expense	214	180	611	399
Data processing expense	642	568	1,237	1,098
Other non-interest expense	3,586	3,602	7,306	7,538
Total non-interest expense	25,958	24,855	51,500	48,894
Income before income tax expense	15,589	15,306	28,249	30,166
Income tax expense	3,805	5,012	12,787	9,880
Net income	$ 11,784	$ 10,294	$ 15,462	$ 20,286