Income Taxes (Reconciliation of The Provision for Income Taxes) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Effective Income Tax Rate Reconciliation, Amount [Abstract]
Tax expense computed at statutory rate	$ 23,271	$ 24,592	$ 20,234
State income taxes, net of federal tax benefit	2,916	3,086	2,800
Federal jobs credits	(7,121)	(1,110)	(4,196)
Tax exempt interest	(29)	(99)	(253)
Other, net	323	(419)	1,071
Tax Provision	$ 19,360	$ 26,050	$ 19,656