Securities, Securities by Contractual Maturity (Details) - USD ($) $ in Thousands		Jun. 30, 2024	Jun. 30, 2023
Securities available-for-sale, Amortized Cost [Abstract]
Within one year		$ 195,839
After one year through five years		39,264
After five years through ten years		8,913
After ten years		1,500
Total		245,516
Mortgage-backed and asset-backed securities		130,663
Amortized cost	[1]	376,179	$ 309,153
Securities available-for-sale, Fair Value [Abstract]
Within one year		196,431
After one year through five years		36,207
After five years through ten years		7,295
After ten years		1,193
Total		241,126
Mortgage-backed and asset-backed securities		108,875
Estimated fair value		350,001	281,133
Securities held-to-maturity, Amortized Cost [Abstract]
Within one year		56,992
After one year through five years		156,431
After five years through ten years		171,167
After ten years		114,851
Total		499,441
Mortgage-backed securities		191,396
Amortized cost	[2]	690,837	726,363
Securities held-to-maturity, Fair Value [Abstract]
Within one year		56,196
After one year through five years		151,325
After five years through ten years		153,881
After ten years		98,103
Total		459,505
Mortgage-backed securities		170,736
Estimated fair value		630,241	$ 671,066
Total Debt Securities [Abstract]
Amortized cost		1,067,016
Estimated fair value		$ 980,242

[1] Amortized cost excludes accrued interest receivable of $4.0 million and $2.9 million at June 30, 2024 and June 30, 2023, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.

[2] Amortized cost excludes accrued interest receivable of $4.1 million and $3.9 million at June 30, 2024 and June 30, 2023, respectively, which is included in accrued interest receivable in the consolidated statements of financial condition.