Securities, Securities in Continuous Unrealized Loss Position (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2022 USD ($) Security	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) Security	Dec. 31, 2021 USD ($)	Jun. 30, 2022 USD ($) Security
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 140,953		$ 140,953		$ 288,207
More than 12 months, fair value	110,327		110,327		12,078
Total, fair value	251,280		251,280		300,285
Less than 12 months, unrealized losses	3,616		3,616		21,161
More than 12 months, unrealized losses	26,828		26,828		2,776
Total, unrealized losses	$ 30,444		$ 30,444		$ 23,937
Less than 12 months, number of securities | Security	108		108		233
More than 12 months, number of securities | Security	49		49		5
Total, number of securities | Security	157		157		238
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 383,488		$ 383,488		$ 592,159
More than 12 months, fair value	196,316		196,316		735
Total, fair value	579,804		579,804		592,894
Less than 12 months, unrealized losses	22,022		22,022		53,995
More than 12 months, unrealized losses	41,719		41,719		183
Total, unrealized losses	$ 63,741		$ 63,741		$ 54,178
Less than 12 months, number of securities | Security	3,537		3,537		2,477
More than 12 months, number of securities | Security	641		641		5
Total, number of securities | Security	4,178		4,178		2,482
Total Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 524,441		$ 524,441		$ 880,366
More than 12 months, fair value	306,643		306,643		12,813
Total, fair value	831,084		831,084		893,179
Less than 12 months, unrealized losses	25,638		25,638		75,156
More than 12 months, unrealized losses	68,547		68,547		2,959
Total, unrealized losses	$ 94,185		$ 94,185		$ 78,115
Less than 12 months, number of securities | Security	3,645		3,645		2,710
More than 12 months, number of securities | Security	690		690		10
Total, number of securities | Security	4,335		4,335		2,720
Available for sale securities transferred at fair value to held to maturity	$ 0	$ 0	$ 0	$ 0
Gross realized gains (losses) on sale of available-for-sale securities	(251)	0	$ (251)	0
Number of sales of available-for-sale security | Security			1
Proceeds from sale of available-for-sale securities		0	$ 1,675	0
Other-than-temporary impairment losses	0	$ 0	0	$ 0
U.S. Government Sponsored Enterprises [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	0		0		$ 11,319
More than 12 months, fair value	10,729		10,729		0
Total, fair value	10,729		10,729		11,319
Less than 12 months, unrealized losses	0		0		1,747
More than 12 months, unrealized losses	2,332		2,332		0
Total, unrealized losses	$ 2,332		$ 2,332		$ 1,747
Less than 12 months, number of securities | Security	0		0		5
More than 12 months, number of securities | Security	5		5		0
Total, number of securities | Security	5		5		5
U.S. Treasury Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 535		$ 535		$ 18,427
More than 12 months, fair value	15,571		15,571		0
Total, fair value	16,106		16,106		18,427
Less than 12 months, unrealized losses	53		53		1,731
More than 12 months, unrealized losses	2,017		2,017		0
Total, unrealized losses	$ 2,070		$ 2,070		$ 1,731
Less than 12 months, number of securities | Security	1		1		8
More than 12 months, number of securities | Security	6		6		0
Total, number of securities | Security	7		7		8
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 21,508		$ 21,508		$ 31,980
More than 12 months, fair value	9,590		9,590		0
Total, fair value	31,098		31,098		31,980
Less than 12 months, unrealized losses	1,202		1,202		1,643
More than 12 months, unrealized losses	1,364		1,364		0
Total, unrealized losses	$ 2,566		$ 2,566		$ 1,643
Less than 12 months, number of securities | Security	5		5		9
More than 12 months, number of securities | Security	4		4		0
Total, number of securities | Security	9		9		9
State and Political Subdivisions [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 110,058		$ 110,058		$ 140,324
More than 12 months, fair value	0		0		0
Total, fair value	110,058		110,058		140,324
Less than 12 months, unrealized losses	261		261		276
More than 12 months, unrealized losses	0		0		0
Total, unrealized losses	$ 261		$ 261		$ 276
Less than 12 months, number of securities | Security	69		69		148
More than 12 months, number of securities | Security	0		0		0
Total, number of securities | Security	69		69		148
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 255,862		$ 255,862		$ 353,837
More than 12 months, fair value	105,314		105,314		735
Total, fair value	361,176		361,176		354,572
Less than 12 months, unrealized losses	12,094		12,094		35,564
More than 12 months, unrealized losses	23,087		23,087		183
Total, unrealized losses	$ 35,181		$ 35,181		$ 35,747
Less than 12 months, number of securities | Security	3,457		3,457		2,362
More than 12 months, number of securities | Security	604		604		5
Total, number of securities | Security	4,061		4,061		2,367
Mortgage-backed Securities-Residential [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 7,537		$ 7,537		$ 29,872
More than 12 months, fair value	19,159		19,159		0
Total, fair value	26,696		26,696		29,872
Less than 12 months, unrealized losses	687		687		3,289
More than 12 months, unrealized losses	3,642		3,642		0
Total, unrealized losses	$ 4,329		$ 4,329		$ 3,289
Less than 12 months, number of securities | Security	21		21		27
More than 12 months, number of securities | Security	9		9		0
Total, number of securities | Security	30		30		27
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 24,620		$ 24,620		$ 39,865
More than 12 months, fair value	11,189		11,189		0
Total, fair value	35,809		35,809		39,865
Less than 12 months, unrealized losses	1,808		1,808		2,242
More than 12 months, unrealized losses	1,913		1,913		0
Total, unrealized losses	$ 3,721		$ 3,721		$ 2,242
Less than 12 months, number of securities | Security	30		30		27
More than 12 months, number of securities | Security	3		3		0
Total, number of securities | Security	33		33		27
Mortgage-backed Securities-Multi-family [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 7,920		$ 7,920		$ 71,631
More than 12 months, fair value	63,711		63,711		12,078
Total, fair value	71,631		71,631		83,709
Less than 12 months, unrealized losses	1,118		1,118		12,868
More than 12 months, unrealized losses	18,494		18,494		2,776
Total, unrealized losses	$ 19,612		$ 19,612		$ 15,644
Less than 12 months, number of securities | Security	4		4		29
More than 12 months, number of securities | Security	27		27		5
Total, number of securities | Security	31		31		34
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 75,500		$ 75,500		$ 155,726
More than 12 months, fair value	63,806		63,806		0
Total, fair value	139,306		139,306		155,726
Less than 12 months, unrealized losses	6,316		6,316		13,895
More than 12 months, unrealized losses	14,479		14,479		0
Total, unrealized losses	$ 20,795		$ 20,795		$ 13,895
Less than 12 months, number of securities | Security	40		40		68
More than 12 months, number of securities | Security	22		22		0
Total, number of securities | Security	62		62		68
Corporate Debt Securities [Member]
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 14,903		$ 14,903		$ 16,634
More than 12 months, fair value	1,157		1,157		0
Total, fair value	16,060		16,060		16,634
Less than 12 months, unrealized losses	1,497		1,497		1,250
More than 12 months, unrealized losses	343		343		0
Total, unrealized losses	$ 1,840		$ 1,840		$ 1,250
Less than 12 months, number of securities | Security	13		13		16
More than 12 months, number of securities | Security	2		2		0
Total, number of securities | Security	15		15		16
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]
Less than 12 months, fair value	$ 5,998		$ 5,998		$ 10,751
More than 12 months, fair value	6,417		6,417		0
Total, fair value	12,415		12,415		10,751
Less than 12 months, unrealized losses	602		602		651
More than 12 months, unrealized losses	876		876		0
Total, unrealized losses	$ 1,478		$ 1,478		$ 651
Less than 12 months, number of securities | Security	5		5		11
More than 12 months, number of securities | Security	8		8		0
Total, number of securities | Security	13		13		11