Other Real Estate Owned (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Schedule of activity in the other real estate owned ("OREO") portfolio, net of valuation reserve
Balance at beginning of period	$ 41,537	$ 72,423
Property additions	4,688	6,985
Development improvements		50
Less: Property Disposals, net of gains/losses	5,569	11,661
Less: Period valuation adjustments	436	2,134
Balance at beginning of period	40,220	65,663
Activity in the valuation allowance
Balance at beginning of year	22,284	31,454
Provision for unrealized losses	436	1,987
Reduction taken on sales	(2,647)	(2,622)
Other adjustments	(589)	147
Balance at end of year	19,484	30,966
Expenses related to foreclosed assets, net of lease revenue
Gain on sales, net	(386)	(181)
Provision for unrealized losses	436	1,987
Operating expenses	1,237	1,699
Less: Lease revenue	279	408
Expenses related to foreclosed assets, net of lease revenue	$ 1,008	$ 3,097