Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Changes in the FDIC loss-share indemnification asset
Balance at January 1	$ 44,153	$ 107,754
Additions through acquisition	0	0
Realized losses in excess of initial estimates on:
Loans	3,039	10,408
OREO	5,983	7,778
Reimbursable expenses	4,612	3,752
Accretion	(3,423)	(1,354)
Reimbursements received from the FDIC	(28,091)	(84,185)
Balance at December 31	$ 26,273	$ 44,153