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

12 Months Ended

Dec. 31, 2016

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:

			Well Capitalized
			Minimum		Excess
	Actual		Requirement		Capital
	Amount	Ratio	Amount	Ratio	Amount
	(Dollars in thousands)
December 31, 2016
Tier I leverage
PacWest Bancorp Consolidated	2,286,203	11.91%	959,477	5.00%	1,326,726
Pacific Western Bank	2,184,097	11.40%	957,630	5.00%	1,226,467
Common equity Tier I capital
PacWest Bancorp Consolidated	2,286,203	12.31%	1,206,960	6.50%	1,079,243
Pacific Western Bank	2,184,097	11.78%	1,205,541	6.50%	978,556
Tier I capital
PacWest Bancorp Consolidated	2,286,203	12.31%	1,485,490	8.00%	800,713
Pacific Western Bank	2,184,097	11.78%	1,483,742	8.00%	700,355
Total capital
PacWest Bancorp Consolidated	2,889,163	15.56%	1,856,862	10.00%	1,032,301
Pacific Western Bank	2,358,829	12.72%	1,854,678	10.00%	504,151
December 31, 2015
Tier I leverage
PacWest Bancorp Consolidated	2,164,152	11.67%	927,359	5.00%	1,236,793
Pacific Western Bank	2,057,546	11.40%	902,204	5.00%	1,155,342
Common equity Tier I capital
PacWest Bancorp Consolidated	2,159,741	12.58%	1,116,069	6.50%	1,043,672
Pacific Western Bank	2,057,546	12.03%	1,111,913	6.50%	945,633
Tier I capital
PacWest Bancorp Consolidated	2,164,152	12.60%	1,373,623	8.00%	790,529
Pacific Western Bank	2,057,546	12.03%	1,368,508	8.00%	689,038
Total capital
PacWest Bancorp Consolidated	2,687,377	15.65%	1,717,029	10.00%	970,348
Pacific Western Bank	2,189,388	12.80%	1,710,635	10.00%	478,753