Loans and Allowance for Credit Losses - Balance and activity in the Allowance for credit losses (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Allowance for credit losses:
Balance, beginning of period	$ 37,483	$ 32,529	$ 33,192	$ 33,222
Initial ACL on PCD loans	1,121	120	1,121	120
Provision (benefit) charged to expense	7,185	1,052	11,800	373
Losses charged off	(113)	(68)	(453)	(136)
Recoveries	9	8	25	62
Balance, end of period	45,685	33,641	45,685	33,641
Residential Real Estate
Allowance for credit losses:
Balance, beginning of period	12,499	10,757	8,908	11,192
Initial ACL on PCD loans	96	23	96	23
Provision (benefit) charged to expense	870	434	4,462	30
Losses charged off		(30)	(2)	(62)
Recoveries		2	1	3
Balance, end of period	13,465	11,186	13,465	11,186
Construction Real Estate
Allowance for credit losses:
Balance, beginning of period	2,754	2,126	2,220	2,170
Initial ACL on PCD loans	12	4	12	4
Provision (benefit) charged to expense	872	(143)	1,406	(187)
Balance, end of period	3,638	1,987	3,638	1,987
Commercial Real Estate
Allowance for credit losses:
Balance, beginning of period	16,806	14,727	16,838	14,535
Initial ACL on PCD loans	628	52	628	52
Provision (benefit) charged to expense	1,111	771	1,324	963
Losses charged off			(245)
Balance, end of period	18,545	15,550	18,545	15,550
Consumer loans
Allowance for credit losses:
Balance, beginning of period	761	830	710	916
Initial ACL on PCD loans	164		164
Provision (benefit) charged to expense	165	19	283	(93)
Losses charged off	(113)	(32)	(189)	(57)
Recoveries	9	6	18	57
Balance, end of period	986	823	986	823
Commercial loans
Allowance for credit losses:
Balance, beginning of period	4,663	4,089	4,516	4,409
Initial ACL on PCD loans	221	41	221	41
Provision (benefit) charged to expense	4,167	(29)	4,325	(340)
Losses charged off		(6)	(17)	(17)
Recoveries			6	2
Balance, end of period	$ 9,051	$ 4,095	$ 9,051	$ 4,095