Subordinated Debentures (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended			9 Months Ended
	Mar. 31, 2004 PPBI Trust I	Aug. 31, 2014 Notes	Sep. 30, 2014 Notes	Sep. 30, 2014 Subordinated Debentures	Mar. 31, 2004 Subordinated Debentures PPBI Trust I
Subordinated Debentures
Debt issued		$ 60.0			$ 10.3
Contribution of net proceeds from the Private Placement to the Bank to support general corporate purposes		40
Fixed interest rate (as a percent)			5.75%
Floating Rate Trust Preferred Securities issue amount	$ 10.0
Floating interest rate, base rate				3-month LIBOR
Floating interest rate, basis points added to base rate (as a percent)				2.75%
Effective rate (as a percent)				2.98%