CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Net income	$ 10,812	$ 8,211	$ 24,290	$ 12,850
Other comprehensive income (loss), net of tax
Net change in unrealized gain on investment securities	1,696	10,177	(1,784)	11,168
Net change in unrealized loss on derivatives	(359)	(802)	(931)	(1,918)
Minimum pension liability adjustment	588	554	1,177	1,109
Other comprehensive income (loss), net of tax	1,925	9,929	(1,538)	10,359
Comprehensive income	$ 12,737	$ 18,140	$ 22,752	$ 23,209