INVESTMENT SECURITIES - Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022
Securities available for sale, amortized cost
Due in one year or less	$ 187,226
Due after one to five years	349,554
Other debt securities	304
Total Amortized Cost	537,084	$ 496,508
Securities available for sale, estimated fair value
Due in one year or less	185,073
Due after one to five years	328,233
Without single maturity date	564
Estimated Fair Value	513,870	481,790
Securities held to maturity, amortized cost
Due in one year or less	2,208
Due after one to five years	1,641
Due after five to ten years	20,000
Amortized cost	23,849	23,952
Securities held to maturity, estimated fair value
Due in one year or less	2,026
Due after one to five years	1,641
Due after five to ten years	18,004
Estimated Fair Value	$ 21,671	$ 22,467