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

12 Months Ended

Dec. 31, 2018

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
				Minimum			Excess
	Actual			Requirement			Capital
	Amount		Ratio	Amount		Ratio	Amount
	(Dollars in thousands)
December 31, 2018
Tier I leverage:
PacWest Bancorp Consolidated	$	2,255,588	10.13%	$	1,113,341	5.00%	$	1,142,247
Pacific Western Bank	$	2,403,244	10.80%	$	1,112,356	5.00%	$	1,290,888
Common equity Tier I capital:
PacWest Bancorp Consolidated	$	2,255,588	10.01%	$	1,464,131	6.50%	$	791,457
Pacific Western Bank	$	2,403,244	10.68%	$	1,462,083	6.50%	$	941,161
Tier I capital:
PacWest Bancorp Consolidated	$	2,255,588	10.01%	$	1,802,008	8.00%	$	453,580
Pacific Western Bank	$	2,403,244	10.68%	$	1,799,487	8.00%	$	603,757
Total capital:
PacWest Bancorp Consolidated	$	2,865,152	12.72%	$	2,252,510	10.00%	$	612,642
Pacific Western Bank	$	2,572,586	11.44%	$	2,249,359	10.00%	$	323,227

				Well Capitalized
				Minimum			Excess
	Actual			Requirement			Capital
	Amount		Ratio	Amount		Ratio	Amount
	(Dollars in thousands)
December 31, 2017
Tier I leverage:
PacWest Bancorp Consolidated	$	2,361,800	10.66%	$	1,107,900	5.00%	$	1,253,900
Pacific Western Bank	$	2,574,561	11.75%	$	1,095,656	5.00%	$	1,478,905
Common equity Tier I capital:
PacWest Bancorp Consolidated	$	2,361,800	10.91%	$	1,407,743	6.50%	$	954,057
Pacific Western Bank	$	2,574,561	11.91%	$	1,405,299	6.50%	$	1,169,262
Tier I capital:
PacWest Bancorp Consolidated	$	2,361,800	10.91%	$	1,732,607	8.00%	$	629,193
Pacific Western Bank	$	2,574,561	11.91%	$	1,729,599	8.00%	$	844,962
Total capital:
PacWest Bancorp Consolidated	$	2,978,643	13.75%	$	2,165,759	10.00%	$	812,884
Pacific Western Bank	$	2,742,624	12.69%	$	2,161,999	10.00%	$	580,625