Dividend Availability and Regulatory Matters Dividend Availability and Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2022

Dividend Availability and Regulatory Matters [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

The following tables present actual capital amounts and ratios for the Company and the Bank as of the dates indicated:

				Well Capitalized			Capital
				Minimum			Conservation
	Actual			Requirement			Buffer
	Balance		Ratio	Balance		Ratio	Requirement
	(Dollars in thousands)
December 31, 2022
Tier I leverage capital (to average assets):
PacWest Bancorp Consolidated	$	3,503,201	8.61%	$	2,033,411	5.00%	N/A
Pacific Western Bank	$	3,408,289	8.39%	$	2,031,413	5.00%	N/A
CET1 capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	2,873,685	8.70%	$	2,147,012	6.50%	7.00%
Pacific Western Bank	$	3,408,289	10.32%	$	2,145,738	6.50%	7.00%
Tier I capital (to risk-weighted assets)
PacWest Bancorp Consolidated	$	3,503,201	10.61%	$	2,642,477	8.00%	8.50%
Pacific Western Bank	$	3,408,289	10.32%	$	2,640,909	8.00%	8.50%
Total capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	4,495,750	13.61%	$	3,303,096	10.00%	10.50%
Pacific Western Bank	$	4,074,047	12.34%	$	3,301,136	10.00%	10.50%

				Well Capitalized			Capital
				Minimum			Conservation
	Actual			Requirement			Buffer
	Balance		Ratio	Balance		Ratio	Requirement
	(Dollars in thousands)
December 31, 2021
Tier I leverage capital (to average assets):
PacWest Bancorp Consolidated	$	2,657,575	6.84%	$	1,942,017	5.00%	N/A
Pacific Western Bank	$	2,717,374	7.00%	$	1,940,510	5.00%	N/A
CET1 capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	2,526,575	8.86%	$	1,853,073	6.50%	7.00%
Pacific Western Bank	$	2,717,374	9.56%	$	1,847,853	6.50%	7.00%
Tier I capital (to risk-weighted assets)
PacWest Bancorp Consolidated	$	2,657,575	9.32%	$	2,280,705	8.00%	8.50%
Pacific Western Bank	$	2,717,374	9.56%	$	2,274,281	8.00%	8.50%
Total capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	3,619,190	12.69%	$	2,850,881	10.00%	10.50%
Pacific Western Bank	$	3,355,403	11.80%	$	2,842,851	10.00%	10.50%