Acquisition of LNR Property LLC (Details) (USD $)	3 Months Ended		9 Months Ended		3 Months Ended		6 Months Ended	9 Months Ended					0 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013 LNR	Sep. 30, 2012 LNR	Sep. 30, 2013 LNR	Sep. 30, 2013 LNR	Sep. 30, 2012 LNR	Apr. 19, 2013 LNR	Apr. 19, 2013 LNR Initial Provisional Amounts	Apr. 19, 2013 LNR Measurement Period Adjustments	Apr. 19, 2013 LNR Credit facility
Allocation of the purchase price of the assets acquired and liabilities assumed
Initial agreed upon purchase price										$ 859,000,000
Assets acquired:
Cash and cash equivalents										143,771,000	143,771,000
Restricted cash										24,413,000	24,413,000
Loans held-for-investment										8,015,000	8,015,000
Loans held-for-sale										256,502,000	256,502,000
Investment securities										314,471,000	314,471,000
Intangible assets - servicing rights										276,989,000	276,989,000
Investment in unconsolidated entities										96,418,000	97,588,000	(1,170,000)
Derivative assets										3,103,000	3,103,000
Interest receivable										1,315,000	1,315,000
Other assets										60,701,000	60,853,000	(152,000)
Total assets acquired										1,185,698,000	1,187,020,000	(1,322,000)
Liabilities assumed:
Accounts payable, accrued expenses and other liabilities										123,548,000	118,621,000	4,927,000
Secured financing agreements										438,377,000	438,377,000
Derivative liabilities										354,000	354,000
Total liabilities assumed										562,279,000	557,352,000	4,927,000
Net assets acquired										623,419,000	629,668,000	(6,249,000)
Goodwill
Purchase price										730,518,000	730,518,000
Provisional estimates of the fair value of net assets acquired										623,419,000	629,668,000	(6,249,000)
Goodwill										107,099,000	100,850,000	6,249,000
Repayment of senior debt													268,900,000
Revenues recognized	155,536,000	72,971,000	377,746,000	219,721,000			152,600,000
Net earnings recognized	91,601,000	50,342,000	218,363,000	145,249,000			79,800,000
Acquisition-related costs	342,000		17,958,000		300,000			18,000,000
Pro forma revenue and net earnings
Revenue					155,536,000	150,058,000		459,856,000	416,109,000
Net income					97,288,000	112,757,000		299,338,000	263,908,000
Net interest expense addition (deduction)						(1,416,000)		752,000	(4,385,000)
Non-recurring acquisition costs addition (deduction)					(7,291,000)	7,699,000		(125,936,000)	23,097,000
Income tax provision addition					1,604,000	15,722,000		15,577,000	28,647,000
Management fee expense addition						$ 23,164,000		$ 18,657,000	$ 32,907,000