Consolidated Statements of Income - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Interest Income:
Loans	$ 92,328	$ 73,122	$ 57,988
Investment securities	2,323	2,166	1,975
Mortgage-backed securities	2,704	1,817	1,496
Other interest-earning assets	127	69	29
TOTAL INTEREST INCOME	97,482	77,174	61,488
Interest Expense:
Deposits	21,208	12,825	8,472
Securities sold under agreements to repurchase	36	37	95
Advances from FHLB of Des Moines	2,377	1,041	1,138
Note Payable	158	121	13
Subordinated debt	921	767	648
TOTAL INTEREST EXPENSE	24,700	14,791	10,366
NET INTEREST INCOME	72,782	62,383	51,122
Provision for loan losses (Note 3)	2,032	3,047	2,340
Net Interest Income After Provision for Loan Losses	70,750	59,336	48,782
Noninterest income:
Deposit Account Charges and Related Fees	5,005	4,584	3,824
Bank card interchange income	4,658	3,775	2,864
Loan Late Charges	463	432	432
Loan Servicing Fees	376	801	397
Other Loan Fees	1,360	1,467	1,146
Net realized gains on sale of loans	771	804	840
Net Realized Gains on Sale of Available for Sale Securities	244	334	0
Earnings on bank owned life insurance	1,329	947	1,135
Other income	964	727	446
TOTAL NONINTEREST INCOME	15,170	13,871	11,084
Noninterest expense:
Compensation and benefits	26,379	23,302	19,406
Occupancy and equipment, net	10,625	9,763	8,418
Deposit insurance premiums	661	517	681
Legal and professional fees	965	1,178	1,233
Advertising	1,161	1,197	1,102
Postage and office supplies	772	729	561
Intangible amortization	1,672	1,457	911
Bank Card Network Expense	2,120	1,580	1,150
Other operating expense	5,614	4,752	4,790
TOTAL NONINTEREST EXPENSE	49,969	44,475	38,252
INCOME BEFORE INCOME TAXES	35,951	28,732	21,614
Current	6,972	8,333	4,899
Deferred	75	(530)	1,163
Income Tax Expense (Benefit)	7,047	7,803	6,062
NET INCOME	$ 28,904	$ 20,929	$ 15,552
Basic earnings per share available to common stockholders	$ 3.14	$ 2.40	$ 2.08
Diluted earnings per share available to common stockholders	3.14	2.39	2.07
Dividends paid	$ 0.52	$ 0.44	$ 0.40