Loans and Allowance for Credit Losses on Loans - Financing Receivable Credit Quality Indicators, After Adoption of ASU 2016-13 (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Jun. 30, 2021
Financing Receivable, Recorded Investment
Total loans, net of deferred loan costs	$ 2,699,538	$ 2,733,267
Commercial Loans
Financing Receivable, Recorded Investment
2022	366,647	483,459
2021	408,564	339,182
2020	262,561	240,106
2019	175,671	215,357
2018	164,022	192,583
Prior	380,526	293,689
Revolving	274,848	203,659
Total loans, net of deferred loan costs	2,032,839	1,968,035
Commercial Loans | PPP
Financing Receivable, Recorded Investment
2022	0	29,667
2021	2,255	16,983
2020	501	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	2,756	46,650
Commercial Loans | Pass
Financing Receivable, Recorded Investment
2022	364,645	483,428
2021	407,679	339,128
2020	261,192	238,765
2019	173,779	197,666
2018	148,053	186,302
Prior	363,651	285,720
Revolving	266,084	194,568
Total loans, net of deferred loan costs	1,985,083	1,925,577
Commercial Loans | Pass | PPP
Financing Receivable, Recorded Investment
2022	0	29,667
2021	2,255	16,983
2020	501	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	2,756	46,650
Commercial Loans | Special Mention
Financing Receivable, Recorded Investment
2022	1,096	0
2021	215	21
2020	973	438
2019	726	17,061
2018	15,377	1,288
Prior	13,690	3,760
Revolving	4,812	3,864
Total loans, net of deferred loan costs	36,889	26,432
Commercial Loans | Special Mention | PPP
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Substandard
Financing Receivable, Recorded Investment
2022	906	31
2021	670	33
2020	396	623
2019	1,016	630
2018	592	4,993
Prior	3,185	4,207
Revolving	3,952	5,227
Total loans, net of deferred loan costs	10,717	15,744
Commercial Loans | Substandard | PPP
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	280
2019	150	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	150	280
Commercial Loans | Doubtful | PPP
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	2
Revolving	0	0
Total loans, net of deferred loan costs	0	2
Commercial Loans | Loss | PPP
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Commercial real estate
Financing Receivable, Recorded Investment
2022	136,613	227,850
2021	218,034	177,691
2020	162,503	142,407
2019	115,969	175,728
2018	135,708	164,774
Prior	309,722	227,568
Revolving	23,635	26,258
Total loans, net of deferred loan costs	1,102,184	1,142,276
Commercial Loans | Commercial real estate | Pass
Financing Receivable, Recorded Investment
2022	135,883	227,850
2021	218,034	177,691
2020	162,102	142,407
2019	115,537	158,147
2018	119,739	158,525
Prior	293,512	220,834
Revolving	23,238	25,860
Total loans, net of deferred loan costs	1,068,045	1,111,314
Commercial Loans | Commercial real estate | Special Mention
Financing Receivable, Recorded Investment
2022	730	0
2021	0	0
2020	401	0
2019	432	16,951
2018	15,377	1,256
Prior	13,410	3,092
Revolving	0	0
Total loans, net of deferred loan costs	30,350	21,299
Commercial Loans | Commercial real estate | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	630
2018	592	4,993
Prior	2,800	3,642
Revolving	397	398
Total loans, net of deferred loan costs	3,789	9,663
Commercial Loans | Commercial real estate | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Commercial real estate | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Construction and development
Financing Receivable, Recorded Investment
2022	27,765	18,262
2021	15,907	6,523
2020	2,241	10,349
2019	2,687	6,008
2018	4,530	2,693
Prior	6,450	7,922
Revolving	192,088	127,670
Total loans, net of deferred loan costs	251,668	179,427
Commercial Loans | Construction and development | Pass
Financing Receivable, Recorded Investment
2022	26,859	18,262
2021	15,907	6,523
2020	2,241	10,349
2019	2,687	6,008
2018	4,530	2,693
Prior	5,932	7,153
Revolving	187,373	123,843
Total loans, net of deferred loan costs	245,529	174,831
Commercial Loans | Construction and development | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	186	286
Revolving	4,715	3,827
Total loans, net of deferred loan costs	4,901	4,113
Commercial Loans | Construction and development | Substandard
Financing Receivable, Recorded Investment
2022	906	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	332	482
Revolving	0	0
Total loans, net of deferred loan costs	1,238	482
Commercial Loans | Construction and development | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Construction and development | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	1
Revolving	0	0
Total loans, net of deferred loan costs	0	1
Commercial Loans | Commercial and industrial
Financing Receivable, Recorded Investment
2022	43,193	29,637
2021	22,311	14,064
2020	12,307	19,564
2019	12,505	10,869
2018	7,136	15,378
Prior	22,349	10,798
Revolving	47,541	41,031
Total loans, net of deferred loan costs	167,342	141,341
Commercial Loans | Commercial and industrial | Pass
Financing Receivable, Recorded Investment
2022	43,193	29,606
2021	21,537	14,010
2020	11,960	18,826
2019	11,645	10,759
2018	7,136	15,346
Prior	22,202	10,589
Revolving	43,889	36,165
Total loans, net of deferred loan costs	161,562	135,301
Commercial Loans | Commercial and industrial | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	104	21
2020	0	438
2019	0	110
2018	0	32
Prior	94	125
Revolving	97	37
Total loans, net of deferred loan costs	295	763
Commercial Loans | Commercial and industrial | Substandard
Financing Receivable, Recorded Investment
2022	0	31
2021	670	33
2020	347	300
2019	860	0
2018	0	0
Prior	53	83
Revolving	3,555	4,829
Total loans, net of deferred loan costs	5,485	5,276
Commercial Loans | Commercial and industrial | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Commercial and industrial | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	1
Revolving	0	0
Total loans, net of deferred loan costs	0	1
Commercial Loans | Equipment finance
Financing Receivable, Recorded Investment
2022	142,392	154,685
2021	125,470	104,681
2020	75,747	53,781
2019	32,742	4,773
2018	2,278	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	378,629	317,920
Commercial Loans | Equipment finance | Pass
Financing Receivable, Recorded Investment
2022	142,026	154,685
2021	125,396	104,681
2020	75,126	53,178
2019	32,142	4,773
2018	2,278	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	376,968	317,317
Commercial Loans | Equipment finance | Special Mention
Financing Receivable, Recorded Investment
2022	366	0
2021	74	0
2020	572	0
2019	294	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	1,306	0
Commercial Loans | Equipment finance | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	49	323
2019	156	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	205	323
Commercial Loans | Equipment finance | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	280
2019	150	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	150	280
Commercial Loans | Equipment finance | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Municipal finance
Financing Receivable, Recorded Investment
2022	16,684	23,358
2021	24,587	19,240
2020	9,262	14,005
2019	11,768	17,979
2018	14,370	9,738
Prior	42,005	47,401
Revolving	11,584	8,700
Total loans, net of deferred loan costs	130,260	140,421
Commercial Loans | Municipal finance | Pass
Financing Receivable, Recorded Investment
2022	16,684	23,358
2021	24,550	19,240
2020	9,262	14,005
2019	11,768	17,979
2018	14,370	9,738
Prior	42,005	47,144
Revolving	11,584	8,700
Total loans, net of deferred loan costs	130,223	140,164
Commercial Loans | Municipal finance | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	37	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	257
Revolving	0	0
Total loans, net of deferred loan costs	37	257
Commercial Loans | Municipal finance | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Municipal finance | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Commercial Loans | Municipal finance | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans
Financing Receivable, Recorded Investment
2022	62,859	123,483
2021	106,442	95,138
2020	69,942	72,411
2019	47,072	61,349
2018	36,550	46,026
Prior	143,899	166,785
Revolving	199,935	200,040
Total loans, net of deferred loan costs	666,699	765,232
Retail Consumer Loans | Pass
Financing Receivable, Recorded Investment
2022	62,669	123,206
2021	106,223	93,738
2020	68,608	72,037
2019	46,377	60,739
2018	35,856	45,728
Prior	136,881	158,710
Revolving	199,238	199,471
Total loans, net of deferred loan costs	655,852	753,629
Retail Consumer Loans | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	14
2018	0	27
Prior	867	1,096
Revolving	0	0
Total loans, net of deferred loan costs	867	1,137
Retail Consumer Loans | Substandard
Financing Receivable, Recorded Investment
2022	190	275
2021	219	1,399
2020	1,334	373
2019	695	596
2018	694	271
Prior	5,687	6,473
Revolving	697	569
Total loans, net of deferred loan costs	9,516	9,956
Retail Consumer Loans | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	157	191
Revolving	0	0
Total loans, net of deferred loan costs	157	191
Retail Consumer Loans | Loss
Financing Receivable, Recorded Investment
2022	0	2
2021	0	1
2020	0	1
2019	0	0
2018	0	0
Prior	307	315
Revolving	0	0
Total loans, net of deferred loan costs	307	319
Retail Consumer Loans | One-to-four family
Financing Receivable, Recorded Investment
2022	40,749	72,969
2021	68,486	53,968
2020	49,208	46,958
2019	32,077	40,677
2018	25,707	37,474
Prior	128,948	150,158
Revolving	2,770	4,345
Total loans, net of deferred loan costs	347,945	406,549
Retail Consumer Loans | One-to-four family | Pass
Financing Receivable, Recorded Investment
2022	40,621	72,723
2021	68,486	52,987
2020	48,195	46,958
2019	31,537	40,461
2018	25,273	37,361
Prior	123,383	143,531
Revolving	2,770	4,345
Total loans, net of deferred loan costs	340,265	398,366
Retail Consumer Loans | One-to-four family | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	27
Prior	858	1,084
Revolving	0	0
Total loans, net of deferred loan costs	858	1,111
Retail Consumer Loans | One-to-four family | Substandard
Financing Receivable, Recorded Investment
2022	128	246
2021	0	981
2020	1,013	0
2019	540	216
2018	434	86
Prior	4,243	5,037
Revolving	0	0
Total loans, net of deferred loan costs	6,358	6,566
Retail Consumer Loans | One-to-four family | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	157	191
Revolving	0	0
Total loans, net of deferred loan costs	157	191
Retail Consumer Loans | One-to-four family | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	307	315
Revolving	0	0
Total loans, net of deferred loan costs	307	315
Retail Consumer Loans | HELOCs - originated
Financing Receivable, Recorded Investment
2022	627	2,767
2021	1,013	465
2020	286	1,453
2019	1,229	217
2018	227	754
Prior	8,837	10,416
Revolving	116,226	114,153
Total loans, net of deferred loan costs	128,445	130,225
Retail Consumer Loans | HELOCs - originated | Pass
Financing Receivable, Recorded Investment
2022	627	2,767
2021	997	465
2020	286	1,294
2019	1,229	217
2018	227	716
Prior	7,901	9,469
Revolving	116,176	114,048
Total loans, net of deferred loan costs	127,443	128,976
Retail Consumer Loans | HELOCs - originated | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	9	12
Revolving	0	0
Total loans, net of deferred loan costs	9	12
Retail Consumer Loans | HELOCs - originated | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	16	0
2020	0	159
2019	0	0
2018	0	38
Prior	927	935
Revolving	50	105
Total loans, net of deferred loan costs	993	1,237
Retail Consumer Loans | HELOCs - originated | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | HELOCs - originated | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | HELOCs - purchased
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	26,911	38,976
Total loans, net of deferred loan costs	26,911	38,976
Retail Consumer Loans | HELOCs - purchased | Pass
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	26,278	38,523
Total loans, net of deferred loan costs	26,278	38,523
Retail Consumer Loans | HELOCs - purchased | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | HELOCs - purchased | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	633	453
Total loans, net of deferred loan costs	633	453
Retail Consumer Loans | HELOCs - purchased | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | HELOCs - purchased | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Construction and land/lots
Financing Receivable, Recorded Investment
2022	1,373	4,244
2021	13,510	12,133
2020	1,691	2,357
2019	53	1,052
2018	0	0
Prior	2,351	3,974
Revolving	53,757	42,267
Total loans, net of deferred loan costs	72,735	66,027
Retail Consumer Loans | Construction and land/lots | Pass
Financing Receivable, Recorded Investment
2022	1,373	4,244
2021	13,510	12,133
2020	1,691	2,357
2019	53	956
2018	0	0
Prior	1,967	3,558
Revolving	53,757	42,267
Total loans, net of deferred loan costs	72,351	65,515
Retail Consumer Loans | Construction and land/lots | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Construction and land/lots | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	96
2018	0	0
Prior	384	416
Revolving	0	0
Total loans, net of deferred loan costs	384	512
Retail Consumer Loans | Construction and land/lots | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Construction and land/lots | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Indirect auto finance
Financing Receivable, Recorded Investment
2022	19,538	42,159
2021	22,471	27,549
2020	18,104	16,419
2019	9,658	19,126
2018	10,488	7,704
Prior	3,644	2,136
Revolving	0	0
Total loans, net of deferred loan costs	83,903	115,093
Retail Consumer Loans | Indirect auto finance | Pass
Financing Receivable, Recorded Investment
2022	19,476	42,128
2021	22,276	27,134
2020	17,783	16,224
2019	9,522	18,853
2018	10,238	7,561
Prior	3,529	2,061
Revolving	0	0
Total loans, net of deferred loan costs	82,824	113,961
Retail Consumer Loans | Indirect auto finance | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Indirect auto finance | Substandard
Financing Receivable, Recorded Investment
2022	62	29
2021	195	415
2020	321	195
2019	136	273
2018	250	143
Prior	115	75
Revolving	0	0
Total loans, net of deferred loan costs	1,079	1,130
Retail Consumer Loans | Indirect auto finance | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Indirect auto finance | Loss
Financing Receivable, Recorded Investment
2022	0	2
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	2
Retail Consumer Loans | Consumer
Financing Receivable, Recorded Investment
2022	572	1,344
2021	962	1,023
2020	653	5,224
2019	4,055	277
2018	128	94
Prior	119	101
Revolving	271	299
Total loans, net of deferred loan costs	6,760	8,362
Retail Consumer Loans | Consumer | Pass
Financing Receivable, Recorded Investment
2022	572	1,344
2021	954	1,019
2020	653	5,204
2019	4,036	252
2018	118	90
Prior	101	91
Revolving	257	288
Total loans, net of deferred loan costs	6,691	8,288
Retail Consumer Loans | Consumer | Special Mention
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	14
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	14
Retail Consumer Loans | Consumer | Substandard
Financing Receivable, Recorded Investment
2022	0	0
2021	8	3
2020	0	19
2019	19	11
2018	10	4
Prior	18	10
Revolving	14	11
Total loans, net of deferred loan costs	69	58
Retail Consumer Loans | Consumer | Doubtful
Financing Receivable, Recorded Investment
2022	0	0
2021	0	0
2020	0	0
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	0	0
Retail Consumer Loans | Consumer | Loss
Financing Receivable, Recorded Investment
2022	0	0
2021	0	1
2020	0	1
2019	0	0
2018	0	0
Prior	0	0
Revolving	0	0
Total loans, net of deferred loan costs	$ 0	$ 2