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The amount of initial margin collateral received for certain derivative contracts cleared through clearinghouses, rather than directly with counterparties.

No definition available.

Name:	fhb_InitialMarginCollateralReceived
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Data Type:	xbrli:monetaryItemType
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The amount of securities on deposit with clearing organizations and other entities which provide services necessary to operations of the Company. This item would include, for instance, securities advanced as refundable collateral for securities borrowed.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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-Subparagraph (SX 210.5-02(17))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.

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-Name Accounting Standards Codification
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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.

No definition available.