Condensed Consolidated Statements Of Changes In Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock	Additional paid-in capital	Retained earnings	Accumulated other comprehensive income (loss), net	Pacific International Bancorp, Inc. Common Stock	Pacific International Bancorp, Inc. Additional paid-in capital
Balance at Dec. 31, 2012		$ 78	$ 525,354	$ 216,590	$ 9,082
Balance, shares at Dec. 31, 2012		78,041,511
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Acquisitions, shares						632,050
Acquisitions, value						1	8,640
Issuance of additional shares pursuant to various stock plans, shares		532,279
Issuance of additional shares pursuant to various stock plans			1,849
Tax effects of stock plans			234
Stock-based compensation			1,008
Cash dividends declared on common stock				(7,856)
Comprehensive income:
Net income	40,132			40,132
Other comprehensive income (loss)					(14,087)
Balance at Jun. 30, 2013		79	537,085	248,866	(5,005)
Balance, shares at Jun. 30, 2013		79,205,840
Balance at Dec. 31, 2013	809,374	79	540,876	278,604	(10,185)
Balance, shares at Dec. 31, 2013		79,441,525
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of additional shares pursuant to various stock plans, shares		52,207
Issuance of additional shares pursuant to various stock plans			0
Tax effects of stock plans			0
Stock-based compensation			297
Cash dividends declared on common stock				(11,917)
Comprehensive income:
Net income	44,508			44,508
Other comprehensive income (loss)					10,347
Balance at Jun. 30, 2014	$ 852,609	$ 79	$ 541,173	$ 311,195	$ 162
Balance, shares at Jun. 30, 2014		79,493,732