v3.19.3.a.u2
Document
Jan. 27, 2020
Entity Information [Line Items]  
Document Type 8-K
Document Period End Date Jan. 27, 2020
Entity Registrant Name BANK OF HAWAII CORP
Entity Incorporation, State or Country Code DE
Entity File Number 1-6887
Entity Tax Identification Number 99-0148992
Entity Address, Address Line One 130 Merchant Street
Entity Address, City or Town Honolulu
Entity Address, State or Province HI
Entity Address, Postal Zip Code 96813
City Area Code (888)
Local Phone Number 643-3888
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Amendment Flag false
Entity Central Index Key 0000046195
NEW YORK STOCK EXCHANGE, INC. [Member]  
Entity Information [Line Items]  
Title of 12(b) Security Common Stock
Trading Symbol BOH
Security Exchange Name NYSE