Commitments and Contingencies (Schedule of Changes in Repurchase Reserve) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Apr. 12, 2013
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	$ 8,393	$ 2,013	$ 2,667	$ 1,743
Financing Receivable, Repurchase Reserve, Assumed Obligation	0		0		6,000
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	(3,053)	(569)	(1,983)	(202)
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	3,345	1,119	2,549	482
Financing Receivable, Repurchase Reserve, Ending Balance	8,959	2,293	8,959	2,293
Residential mortgages
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	7,287	750	1,500	470
Financing Receivable, Repurchase Reserve, Assumed Obligation	0		0		6,000
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	(3,053)	(569)	(1,983)	(202)
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	3,403	1,199	2,546	552
Financing Receivable, Repurchase Reserve, Ending Balance	7,850	1,100	7,850	1,100
Manufactured Housing
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	1,106	1,263	1,167	1,273
Financing Receivable, Repurchase Reserve, Assumed Obligation	0		0		0
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	0	0	0	0
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	(58)	(80)	3	(70)
Financing Receivable, Repurchase Reserve, Ending Balance	$ 1,109	$ 1,193	$ 1,109	$ 1,193