EARNINGS PER UNIT (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income per Class A unit (basic and diluted):
Net income attributable to BOH Class A unitholders, basic	$ 280,208	$ 193,861	$ 176,330
Net income attributable to BOH Class A unitholders, diluted	$ 280,208	$ 193,861	$ 176,330
Weighted average number of Class A units outstanding, diluted (in shares)	114,452	107,590	102,043
Basic net income (net of tax) per Class A unit (in dollars per share)	$ 2.45	$ 1.80	$ 1.73
Diluted net income (net of tax) per Class A unit (in dollars per share)	$ 2.45	$ 1.80	$ 1.73
Class A Units
Net income per Class A unit (basic and diluted):
Net income attributable to BOH Class A unitholders, basic	$ 280,208	$ 193,861	$ 176,330
Weighted average number of Class A units outstanding, basic (in shares)	114,452	107,590	102,043
Weighted average number of Class A units outstanding, diluted (in shares)	114,452	107,590	102,043
Diluted net income (net of tax) per Class A unit (in dollars per share)	$ 2.45	$ 1.80	$ 1.73