Consolidated Statements of Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
Accumulated other comprehensive earnings reclassifications	$ 374	$ 2	$ 1,777
Income tax expense from reclassification	$ 131	$ 0	$ 622