FDIC Loss Sharing Asset FDIC Loss Sharing Asset (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2014	Dec. 31, 2013
FDIC Loss Sharing Asset [Abstract]
FDIC loss sharing asset	$ 22,977	$ 45,524
FDIC Indemnification Asset, Acquisitions	(4,654)
FDIC Indemnification Asset, Cash Payments Received	3,363
FDIC Indemnification Asset, Accretion of Discount	$ (21,256)

Amount of decreases to the indemnification asset due to cash payments received relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC).

No definition available.

Name:	us-gaap_FDICIndemnificationAssetCashPaymentsReceived
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration