Selected Quarterly Results (Narrative) (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2013 item	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Selected Quarterly Financial Information [Line Items]
Asset impairments	$ (361,000)	$ (73,000)	$ 2,977,000	$ 2,165,000	$ 5,453,000	$ 1,649,000	$ 824,000	$ 2,005,000	$ 4,708,000	$ 9,931,000
Non-performing loans, real estate impairment charges					4,800,000
Provision for loan losses	40,363,000	4,433,000	(172,000)	(759,000)	(3,540,000)	(257,000)	627,000	765,000	43,865,000	(2,405,000)	(37,874,000)
Professional fees				2,200,000
Equity earnings in investment	1,836,000	8,183,000	3,442,000						13,461,000
Loan	42,200,000									(13,127,000)	(19,495,000)
Number of borrowing relationships	2
Interest income	13,600,000								24,158,000	21,804,000	41,046,000
Revenues	30,017,000	5,658,000	6,148,000	6,835,000	8,975,000	5,851,000	8,741,000	9,718,000	48,658,000	33,285,000	45,682,000
Cost of goods sold									7,860,000
Executive management bonuses						3,600,000			2,500,000	1,100,000	1,100,000
Gain associated with the consummation of BB&T Transaction						290,600,000
Loan portfolio charge-offs					6,000,000
Gains on sales of real estate held for sale					5,600,000
Renin And Hoffmans [Member]
Selected Quarterly Financial Information [Line Items]
Revenues	10,200,000
Cost of goods sold	7,900,000
Residential [Member]
Selected Quarterly Financial Information [Line Items]
Loan portfolio charge-offs									$ 1,400,000