Loans - Schedule of Average Recorded Investment in Loans, Interest Income Recognized (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Financing Receivable, Impaired
Average recorded investment	$ 29,098	$ 38,103	$ 43,091
Interest income recognized	2,033	1,763	1,945
Retail Consumer Loans \| One-to-four family
Financing Receivable, Impaired
Average recorded investment	17,319	23,257	25,256
Interest income recognized	950	1,170	1,147
Retail Consumer Loans \| HELOCs - originated
Financing Receivable, Impaired
Average recorded investment	1,005	2,304	2,548
Interest income recognized	63	104	152
Retail Consumer Loans \| HELOCs - purchased
Financing Receivable, Impaired
Average recorded investment	320	189	48
Interest income recognized	13	15	12
Retail Consumer Loans \| Construction and land/lots
Financing Receivable, Impaired
Average recorded investment	1,441	1,575	1,734
Interest income recognized	94	109	139
Retail Consumer Loans \| Indirect auto finance
Financing Receivable, Impaired
Average recorded investment	373	256	106
Interest income recognized	29	23	2
Retail Consumer Loans \| Consumer
Financing Receivable, Impaired
Average recorded investment	1,328	43	35
Interest income recognized	67	17	20
Commercial Loans \| Commercial real estate
Financing Receivable, Impaired
Average recorded investment	5,026	6,496	7,771
Interest income recognized	466	209	272
Commercial Loans \| Construction and development
Financing Receivable, Impaired
Average recorded investment	1,779	2,703	2,450
Interest income recognized	65	56	58
Commercial Loans \| Commercial and industrial
Financing Receivable, Impaired
Average recorded investment	315	1,205	2,737
Interest income recognized	249	60	125
Commercial Loans \| Equipment Finance
Financing Receivable, Impaired
Average recorded investment	192	0	0
Interest income recognized	37	0	0
Commercial Loans \| Municipal leases
Financing Receivable, Impaired
Average recorded investment	0	75	406
Interest income recognized	$ 0	$ 0	$ 18

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5258-111524

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