Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Interest Income:
Loans	$ 73,122	$ 57,988	$ 52,850
Investment securities	2,166	1,975	1,965
Mortgage-backed securities	1,817	1,496	1,467
Other interest-earning assets	69	29	35
TOTAL INTEREST INCOME	77,174	61,488	56,317
Interest Expense:
Deposits	12,825	8,472	7,407
Securities sold under agreements to repurchase	37	95	119
Advances from FHLB of Des Moines	1,041	1,138	1,271
Note Payable	121	13	0
Subordinated debt	767	648	568
TOTAL INTEREST EXPENSE	14,791	10,366	9,365
NET INTEREST INCOME	62,383	51,122	46,952
Provision for loan losses (Note 3)	3,047	2,340	2,494
NET INTEREST INCOME AFTER PROVISION FOR LOAN LOSSES	59,336	48,782	44,458
Noninterest income:
Deposit account charges and related fees	4,584	3,824	3,588
Bank card interchange income	3,775	2,864	2,580
Loan late charges	432	432	351
Loan servicing fees	801	397	176
Other loan fees	1,467	1,146	806
Net realized gains on sale of loans	804	840	641
Net realized gains on sale of AFS securities	334	0	5
Earnings on bank owned life insurance	947	1,135	928
Other income	727	446	683
TOTAL NONINTEREST INCOME	13,871	11,084	9,758
Noninterest expense:
Compensation and benefits	23,302	19,406	17,769
Occupancy and equipment, net	9,763	8,418	7,132
Deposit insurance premiums	517	681	657
Legal and professional fees	1,178	1,233	576
Advertising	1,197	1,102	932
Postage and office supplies	729	561	623
Intangible amortization	1,457	911	1,025
Bank card network expense	1,580	1,150	971
Other operating expense	4,752	4,790	3,001
TOTAL NONINTEREST EXPENSE	44,475	38,252	32,686
INCOME BEFORE INCOME TAXES	28,732	21,614	21,530
Income Taxes (Note 12)
Current	8,333	4,899	6,206
Deferred	(530)	1,163	476
Income Taxes Paid, Net	7,803	6,062	6,682
NET INCOME	20,929	15,552	14,848
Less: dividend on preferred shares	0	0	85
NET INCOME AVAILABLE TO COMMON STOCKHOLDERS	$ 20,929	$ 15,552	$ 14,763
Basic earnings per share available to common stockholders	$ 2.40	$ 2.08	$ 1.99
Diluted earnings per share available to common stockholders	2.39	2.07	1.98
Dividends paid	$ 0.44	$ 0.40	$ 0.36