Goodwill and Other Intangible Assets (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Community Banks	Dec. 31, 2013 Community Banks	Mar. 31, 2014 Consumer Finance	Dec. 31, 2013 Consumer Finance	Dec. 31, 2012 Consumer Finance
Changes in the carrying amount of goodwill
Balance at the beginning of the period	$ 174,463	$ 174,461	$ 172,850	$ 172,848	$ 1,613	$ 1,613	$ 1,613
Goodwill acquired	1,525	2	1,525	2
Balance at the end of the period	$ 175,988	$ 174,463	$ 174,375	$ 172,850	$ 1,613	$ 1,613	$ 1,613