Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Activity in employee compensation plans (shares)	525,056	430,506	241,011
Other comprehensive income, tax	$ (4,892)	$ (7,069)	$ 16,205