Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

Additional Cash Flow Information

Additional cash flow information was as follows:

	Year Ended December 31,
	2013		2012		2011
Cash paid for interest	$	22,449	$	29,378	$	46,801
Cash paid for income tax	49,514		58,950		54,437
Significant non-cash transactions:
Transfer of securities from available for sale to held to maturity	—		2,266,195		—
Unsettled purchases of securities	16,241		90,073		—
Loans foreclosed and transferred to other real estate owned and foreclosed assets	6,870		7,817		21,126
Loans to facilitate the sale of other real estate owned	678		—		75
Deferred gain on sale of building and parking garage	768		—		—
Common stock/treasury stock issued to the Corporation's 401(k) plan	—		—		1,360