Goodwill And Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2013

Goodwill and Intangible Assets Disclosure [Abstract]

Amortizing Intangible Assets

	Gross carrying amount				Accumulated amortization						Net carrying amount
(In thousands)	2013		2012		2013			2012			2013		2012
Core deposit intangibles	$	180,290	$	180,290	$	(146,557	)	$	(133,628	)	$	33,733	$	46,662
Customer relationships and other intangibles	29,064		29,064		(26,353		)	(24,908		)	2,711		4,156
	$	209,354	$	209,354	$	(172,910	)	$	(158,536	)	$	36,444	$	50,818

Schedule Of Estimated Amortization Expense

(In thousands)
2014	$	10,924
2015	9,247
2016	7,888
2017	6,370
2018	1,556

Schedule Of Goodwill

(In thousands)	Zions Bank		CB&T		Amegy		Other			Consolidated Company
Balance at December 31, 2011	$	19,514	$	379,024	$	615,591	$	1,000		$	1,015,129
Impairment losses	—		—		—		(1,000		)	(1,000		)
Balance at December 31, 2012	19,514		379,024		615,591		—			1,014,129
Impairment losses	—		—		—		—			—
Balance at December 31, 2013	$	19,514	$	379,024	$	615,591	$	—		$	1,014,129