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Securities Held to Maturity - Schedule Of Held To Maturity Securities Pledged (Detail) - Securities Held to Maturity [Member] - USD ($) $ in Thousands	Sep. 30, 2019	Jun. 30, 2019
Schedule Of Held To Maturity Securities [Line Items]
Held to maturity securities pledged	$ 37,888	$ 260,022
FHLB of New York [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to maturity securities pledged		136,696
Secure Public Funds On Deposit [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to maturity securities pledged		7,023
Federal Reserve ("FRB") [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to maturity securities pledged	$ 37,888	103,419
Depositor Sweep Accounts [Member]
Schedule Of Held To Maturity Securities [Line Items]
Held to maturity securities pledged		$ 12,884

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- Definition

Sum of the carrying amounts as of the date of the latest financial statement presented of securities which are owned but transferred to another party to serve as collateral to partially or fully secure a debt obligation, repurchase agreement or other current or potential obligation, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-Subparagraph (b)(1)(i)
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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