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

12 Months Ended

Dec. 31, 2021

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, 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%

				Well Capitalized			Capital
				Minimum			Conservation
	Actual			Requirement			Buffer
	Balance		Ratio	Balance		Ratio	Requirement
	(Dollars in thousands)
December 31, 2020
Tier I leverage capital (to average assets):
PacWest Bancorp Consolidated	$	2,403,721	8.55%	$	1,404,880	5.00%	N/A
Pacific Western Bank	$	2,673,960	9.53%	$	1,403,208	5.00%	N/A
CET1 capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	2,403,721	10.53%	$	1,484,450	6.50%	7.00%
Pacific Western Bank	$	2,673,960	11.73%	$	1,481,599	6.50%	7.00%
Tier I capital (to risk-weighted assets)
PacWest Bancorp Consolidated	$	2,403,721	10.53%	$	1,827,015	8.00%	8.50%
Pacific Western Bank	$	2,673,960	11.73%	$	1,823,506	8.00%	8.50%
Total capital (to risk-weighted assets):
PacWest Bancorp Consolidated	$	3,141,992	13.76%	$	2,283,769	10.00%	10.50%
Pacific Western Bank	$	2,959,853	12.99%	$	2,279,383	10.00%	10.50%