Dividend Availability and Regulatory Matters (Tables)

12 Months Ended

Dec. 31, 2014

Dividend Availability and Regulatory Matters [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

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

	Actual			Well Capitalized Minimum Requirement			Excess Capital
	Amount	Ratio		Amount	Ratio		Amount
	(Dollars in thousands)
December 31, 2014
Tier I capital (to average assets):
PacWest Bancorp Consolidated	1,722,870	12.34	%	698,109	5.00	%	1,024,761
Pacific Western Bank	1,621,546	11.70	%	693,174	5.00	%	928,372
Tier I capital (to risk‑weighted assets):
PacWest Bancorp Consolidated	1,722,870	13.16	%	785,781	6.00	%	937,089
Pacific Western Bank	1,621,546	12.46	%	780,834	6.00	%	840,712
Total capital (to risk‑weighted assets):
PacWest Bancorp Consolidated	2,104,984	16.07	%	1,309,635	10.00	%	795,349
Pacific Western Bank	1,712,312	13.16	%	1,301,390	10.00	%	410,922
December 31, 2013
Tier I capital (to average assets):
PacWest Bancorp Consolidated	718,800	11.22	%	320,405	5.00	%	398,395
Pacific Western Bank	690,440	10.79	%	319,999	5.00	%	370,441
Tier I capital (to risk‑weighted assets):
PacWest Bancorp Consolidated	718,800	15.12	%	285,163	6.00	%	433,637
Pacific Western Bank	690,440	14.54	%	284,825	6.00	%	405,615
Total capital (to risk‑weighted assets):
PacWest Bancorp Consolidated	778,582	16.38	%	475,271	10.00	%	303,311
Pacific Western Bank	750,152	15.80	%	474,708	10.00	%	275,444