Commitments and Contingencies (Schedule of Changes in Repurchase Reserve) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Apr. 12, 2013
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	$ 2,738	$ 1,678	$ 2,667	$ 1,743
Financing Receivable, Repurchase Reserve, Assumed Obligation					6,000
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	(928)	(161)	(1,070)	(367)
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	583	496	796	637
Financing Receivable, Repurchase Reserve, Ending Balance	8,393	2,013	8,393	2,013
Residential mortgages
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	1,600	400	1,500	470
Financing Receivable, Repurchase Reserve, Assumed Obligation					6,000
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	(928)	(161)	(1,070)	(367)
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	615	511	857	647
Financing Receivable, Repurchase Reserve, Ending Balance	7,287	750	7,287	750
Manufactured Housing [Member]
Financing Receivable, Allowance for Credit Losses [Roll Forward]
Financing Receivable, Repurchase Reserve, Beginning Balance	1,138	1,278	1,167	1,273
Financing Receivable, Repurchase Reserve, Assumed Obligation					0
Financing Receivable, Repurchase Reserve Net Realized Gains (Losses)	0	0	0	0
Financing Receivable, Repurchase Reserve, Period Increase (Decrease)	(32)	(15)	(61)	(10)
Financing Receivable, Repurchase Reserve, Ending Balance	$ 1,106	$ 1,263	$ 1,106	$ 1,263