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Organization and Basis of Presentation (Policies) | 6 Months Ended
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Jun. 30, 2021
Organization and Basis of Presentation |
Organization and Basis of Presentation | ​ First Hawaiian, Inc. (“FHI” or the “Parent”), a bank holding company, owns 100% of the outstanding common stock of First Hawaiian Bank (“FHB” or the “Bank”), its only direct, wholly owned subsidiary. FHB offers a comprehensive suite of banking services, including loans, deposit products, wealth management, insurance, trust, retirement planning, credit card and merchant processing services, to consumer and commercial customers. ​ The accompanying unaudited interim consolidated financial statements of First Hawaiian, Inc. and Subsidiary (the “Company”) have been prepared in accordance with generally accepted accounting principles in the United States of America (“GAAP”) for interim financial information and with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, certain information and footnote disclosures normally included in financial statements prepared in accordance with GAAP have been condensed or omitted pursuant to such rules and regulations. ​ The accompanying unaudited interim consolidated financial statements and notes thereto should be read in conjunction with the Company’s audited consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2020. ​ In the opinion of management, all adjustments, which consist of normal recurring adjustments necessary for a fair presentation of the interim period consolidated financial information, have been made. Results of operations for interim periods are not necessarily indicative of results to be expected for the entire year. Intercompany account balances and transactions have been eliminated in consolidation.
Use of Estimates in the Preparation of Financial Statements | Use of Estimates in the Preparation of Financial Statements ​ The preparation of consolidated financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Management bases its estimates on historical experience and various other assumptions believed to be reasonable. Although these estimates are based on management’s best knowledge of current events, actual results may differ from these estimates.
Accounting Standard Adopted in 2021 and Recent Accounting Pronouncements | Accounting Standards Adopted in 2021 ​ In October 2020, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2020-08, Codification Improvements to Subtopic 310-20, Receivables – Nonrefundable Fees and Other Costs. Prior to the adoption of ASU No. 2020-08, previous guidance shortened the amortization period for certain purchased callable debt securities held at a premium by requiring that entities amortize the premium associated with those callable debt securities to the earliest call date. The guidance in ASU No. 2020-08 changes the amortization period so that an entity shall amortize the premium to the next call date. The Company adopted the provisions of ASU No. 2020-08 on January 1, 2021 and it did not have a material impact on the Company’s consolidated financial statements. ​ Recent Accounting Pronouncements ​ The following ASU has been issued by the FASB and is applicable to the Company in future reporting periods. ​ In July 2021, the FASB issued ASU No. 2021-05, Leases (Topic 842), Lessors – Certain Leases with Variable Lease Payments. This guidance amends the Topic 842 lease classification requirements for lessors to align them with practice under Topic 840. Lessors should classify and account for a lease with variable lease payments that do not depend on a reference index or a rate as an operating lease if both of the following criteria are met: 1) the lease would have been classified as a sales-type lease or a direct financing lease in accordance with the Topic 842 lease classification criteria, and 2) the lessor would have otherwise recognized a day-one loss. This update is effective for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2021. As the Company adopted Topic 842 before the issuance date of this ASU, the Company has the option to apply these amendments either 1) retrospectively to leases that commenced or were modified on or after the adoption of Topic 842, or 2) prospectively to leases that commence or are modified on or after the date that the Company adopts ASU No. 2021-05. Early adoption is permitted. The Company is in the process of evaluating the impact that this new guidance may have on the Company’s consolidated financial statements.

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