Securities - Securities by Contractual Maturity (Details) - USD ($) $ in Thousands		Dec. 31, 2024	Jun. 30, 2024
Securities available-for-sale
Within one year, Amortized cost		$ 221,897
Within one year, Fair value		223,014
After one year through five years, Amortized cost		39,978
After one year through five years, Fair value		37,718
After five years through ten years, Amortized cost		10,420
After five years through ten years, Fair value		8,685
After ten years, Amortized cost		0
After ten years, Fair value		0
Total securities available-for-sale, Amortized cost		272,295
Total securities available-for-sale, Fair value		269,417
Mortgage-backed securities, Amortized cost		125,924
Mortgage-backed securities, Fair value		105,036
Total securities available-for-sale, Amortized cost	[1]	398,219	$ 376,179
Total securities available-for-sale, Fair value		374,453	350,001
Securities held-to-maturity
Within one year, Amortized cost		57,659
Within one year, Fair value		57,233
After one year through five years, Amortized cost		164,880
After one year through five years, Fair value		161,660
After five years through ten years, Amortized cost		181,286
After five years through ten years, Fair value		164,244
After ten years, Amortized cost		103,669
After ten years, Fair value		92,406
Total securities held-to-maturity, Amortized cost		507,494
Total securities held-to-maturity, Fair value		475,543
Mortgage-backed securities, Amortized cost		263,850
Mortgage-backed securities, Fair value		243,980
Total securities held-to-maturity, Amortized cost	[2]	771,344	690,837
Total securities held-to-maturity, Fair value		719,523	$ 630,241
Total securities, Amortized cost		1,169,563
Total securities, Fair value		$ 1,093,976

[1] Amortized cost excludes accrued interest receivable of $4.5 million and $4.0 million at December 31, 2024 and June 30, 2024, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.

[2] Amortized cost excludes accrued interest receivable of $5.2 million and $4.1 million at December 31, 2024 and June 30, 2024, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.