INVESTMENT SECURITIES - Contractual Maturity (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Jun. 30, 2022
Securities available for sale, amortized cost
Due in one year or less	$ 191,196
Due after one to five years	337,042
Other debt securities	287
Total Amortized Cost	528,525	$ 496,508
Securities available for sale, estimated fair value
Due in one year or less	189,158
Due after one to five years	317,922
Without single maturity date	531
Estimated Fair Value	507,611	481,790
Securities held to maturity, amortized cost
Due in one year or less	2,185
Due after one to five years	2,111
Due after five to ten years	20,000
Amortized cost	24,296	23,952
Securities held to maturity, estimated fair value
Due in one year or less	2,014
Due after one to five years	2,111
Due after five to ten years	18,111
Estimated Fair Value	$ 22,236	$ 22,467