CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Interest income
Loans and leases	$ 186,071	$ 169,992	$ 354,173	$ 332,931
Securities	43,549	39,639	88,935	77,058
Due from banks - interest-bearing	173	407	266	705
Federal funds sold and securities purchased under resale agreements	96	98	107	252
Total interest income	229,889	210,136	443,481	410,946
Interest expense
Deposits	3,566	10,016	7,599	20,206
Federal funds purchased and securities sold under repurchase agreements	1	2	32	2
Subordinated debt	4,308	4,635	8,369	9,283
Other long-term debt	5,535	4,656	10,289	9,338
Total interest expense	13,410	19,309	26,289	38,829
Net interest income	216,479	190,827	417,192	372,117
Provision for credit losses on loans and leases, excluding covered loans	1,000		1,000
Provision for losses on covered loans	13,293	1,716	20,759	20,832
Net interest income after provision	202,186	189,111	395,433	351,285
Noninterest income
Trust and investment fees	34,067	36,687	67,721	72,325
Brokerage and mutual fund fees	5,293	4,864	10,321	10,525
Cash management and deposit transaction charges	11,475	10,905	22,643	22,630
International services	10,017	9,015	18,802	17,331
FDIC loss sharing expense, net	(6,026)	(10,684)	(5,160)	(2,079)
Gain on disposal of assets	3,011	8,422	5,202	10,846
(Loss) gain on sale of securities	(279)	1,689	170	1,819
Gain on acquisition		8,164		8,164
Other	17,388	23,169	30,947	44,727
Impairment loss on securities:
Total other-than-temporary impairment loss on securities	(4,129)	(4,132)	(4,129)	(4,296)
Less: Portion of loss recognized in other comprehensive income	3,951	3,838	3,951	3,838
Net impairment loss recognized in earnings	(178)	(294)	(178)	(458)
Total noninterest income	74,768	91,937	150,468	185,830
Noninterest expense
Salaries and employee benefits	115,035	112,139	235,280	223,151
Net occupancy of premises	14,056	13,665	27,742	27,011
Legal and professional fees	11,359	14,790	23,239	24,867
Information services	8,539	8,335	16,688	15,832
Depreciation and amortization	8,013	6,904	15,441	13,652
Amortization of intangibles	1,518	2,104	3,404	4,272
Marketing and advertising	7,597	7,626	14,413	14,144
Office services and equipment	4,492	4,672	8,440	9,278
Other real estate owned	7,541	22,162	19,635	36,651
FDIC assessments	4,523	8,524	9,002	18,330
Other operating	11,843	10,911	21,952	22,041
Total noninterest expense	194,516	211,832	395,236	409,229
Income before income taxes	82,438	69,216	150,665	127,886
Income taxes	27,271	20,650	48,990	38,536
Net income	55,167	48,566	101,675	89,350
Less: Net income attributable to noncontrolling interest	409	1,095	652	2,187
Net income attributable to City National Corporation	$ 54,758	$ 47,471	$ 101,023	$ 87,163
Net income per share, basic (in dollars per share)	$ 1.02	$ 0.89	$ 1.88	$ 1.64
Net income per share, diluted (in dollars per share)	$ 1.01	$ 0.88	$ 1.87	$ 1.62
Shares used to compute net income per share, basic	53,105	52,462	52,923	52,392
Shares used to compute net income per share, diluted	53,373	52,977	53,217	52,931
Dividends per share (in dollars per share)	$ 0.25	$ 0.20	$ 0.50	$ 0.40