CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013		Jun. 30, 2012
CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME
Net income	$ 60,204		$ 55,167		$ 112,312		$ 101,675
Securities available-for-sale:
Net unrealized (losses) gains arising during the period	(64,693)		3,815		(76,502)		11,971
Reclassification adjustment for net gains included in net income	(2,783)		(10)		(3,299)		(239)
Non-credit related impairment loss	(140)		(2,299)		(140)		(2,299)
Net change on cash flow hedges	(21)	[1]	(41)	[1]	(56)	[1]	(83)	[1]
Pension liability adjustment							1,085
Total other comprehensive (loss) income	(67,637)		1,465		(79,997)		10,435
Comprehensive (loss) income	(7,433)		56,632		32,315		112,110
Less: Comprehensive income attributable to noncontrolling interest	463		409		1,048		652
Comprehensive (loss) income attributable to City National Corporation	$ (7,896)		$ 56,223		$ 31,267		$ 111,458

[1] See Note 12 for additional information on other comprehensive income related to cash flow hedges.