Foreclosed Assets Foreclosed Assets (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Other Real Estate [Roll Forward]
Foreclosed assets, net	$ 55,891	[1]	$ 56,414		$ 81,918
SEC Schedule III, Real Estate, Acquisitions Through Foreclosures	9,806		19,470		40,207
Provision for Other Real Estate Owned and Foreclosed Assets	7,307		2,515		14,333
Other Real Estate Owned Foreclosed Assets CORES	(21,051)	[2]	(31,289)	[2]	(53,828)	[2]
Foreclosed Asset Payments Due To Third Parties	0		39		889
Foreclosed assets, net	43,721	[1]	55,891	[1]	56,414
Capitalsource, Inc. [Member]
Other Real Estate [Roll Forward]
Other Foreclosed Assets Acquired	$ 6,382		$ 13,772		$ 1,561

[1] (1)As of December 31, 2014 and 2013, the amounts of covered foreclosed assets were $9.3 million and $9.0 million.

[2] (1) Represents amounts due to participants and for guarantees, property taxes or other prior lien positions.