INVESTMENT SECURITIES - Contractual maturities, Held t o maturity (Details) $ in Thousands	Jun. 30, 2021 USD ($)
Held to Maturity, Amortized Cost
Due after one year through five years	$ 16
Due after five years through ten years	8,590
Due after ten years	30,619
Total, Amortized Cost	39,225
Held to Maturity, Estimated Fair Value
Due after one year through five years	16
Due after five years through ten years	8,400
Due after ten years	30,248
Total, Estimated Fair Value	$ 38,664

Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in sixth through tenth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Fair value of investment in debt security measured at amortized cost (held-to-maturity), with single maturity date and allocated without single maturity date, maturing in second through fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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