Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net income	$ 8,198	$ 8,410	$ 21,206	$ 29,483
Other comprehensive income (loss), net of tax:
Unrealized gain/(loss) on investment securities available for sale arising during the period, net of income tax expense/(benefit) for three months of $(505), and $598, and for nine months of $2,574 and ($5,716), respectively.	(812)	939	4,147	(8,981)
Less reclassification adjustment for realized gains on sale of securities available for sale included in net income, net of income tax expense for three months of $0, and $238, and for the nine months of $0, and $505, respectively.	0	(373)	0	(790)
Total other comprehensive income (loss)	(812)	566	4,147	(9,771)
Total comprehensive income	$ 7,386	$ 8,976	$ 25,353	$ 19,712