Regulatory Capital Requirements (Tables)

6 Months Ended

Jun. 30, 2019

Schedule of regulatory capital ratios

					First Hawaiian				Minimum		Well-
	First Hawaiian, Inc.				Bank				Capital		Capitalized
(dollars in thousands)	Amount		Ratio		Amount		Ratio		Ratio(1)		Ratio(1)
June 30, 2019:
Common equity tier 1 capital to risk-weighted assets	$	1,695,933	11.84	%	$	1,685,158	11.76	%	4.50	%	6.50	%
Tier 1 capital to risk-weighted assets		1,695,933	11.84	%		1,685,158	11.76	%	6.00	%	8.00	%
Total capital to risk-weighted assets		1,835,068	12.81	%		1,824,293	12.73	%	8.00	%	10.00	%
Tier 1 capital to average assets (leverage ratio)		1,695,933	8.75	%		1,685,158	8.70	%	4.00	%	5.00	%
December 31, 2018:
Common equity tier 1 capital to risk-weighted assets	$	1,661,542	11.97	%	$	1,658,172	11.94	%	4.50	%	6.50	%
Tier 1 capital to risk-weighted assets		1,661,542	11.97	%		1,658,172	11.94	%	6.00	%	8.00	%
Total capital to risk-weighted assets		1,803,860	12.99	%		1,800,490	12.97	%	8.00	%	10.00	%
Tier 1 capital to average assets (leverage ratio)		1,661,542	8.72	%		1,658,172	8.70	%	4.00	%	5.00	%

(1) As defined by the regulations issued by the Board of Governors of the Federal Reserve System, the Office of the Comptroller of the Currency, and Federal Deposit Insurance Corporation (“FDIC”).