Notes Receivable And Allowance For Losses Narrative (Details) (USD $)	12 Months Ended					0 Months Ended						12 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2013 Senior [Member]	Dec. 31, 2012 Senior [Member]	Dec. 02, 2011 Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2013 Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2012 Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2011 Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2013 Mezzanine & Other Notes Receivable [Member] Senior [Member]	Dec. 31, 2012 Mezzanine & Other Notes Receivable [Member] Senior [Member]	Dec. 31, 2013 Forgivable Notes Receivable [Member]	Dec. 31, 2012 Forgivable Notes Receivable [Member]	Dec. 31, 2011 Forgivable Notes Receivable [Member]	Dec. 31, 2013 Forgivable Notes Receivable [Member] Senior [Member]	Dec. 31, 2012 Forgivable Notes Receivable [Member] Senior [Member]	Dec. 31, 2013 Impaired Loans [Member] Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2012 Impaired Loans [Member] Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2013 Non-impaired Loans [Member] Mezzanine & Other Notes Receivable [Member]	Dec. 31, 2012 Non-impaired Loans [Member] Mezzanine & Other Notes Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number Of Days Outstanding To Consider Loans Outstanding Past Due In Order To Cease Accruing Interest	30 days
Face value of notes value deemed impaired																	$ 12,500,000	$ 13,300,000
Loan reserves on impaired loans																	8,300,000	8,300,000
Impaired loans, carrying value																	4,200,000	5,000,000
Interest income on impaired loans, cash basis method																	400,000	100,000
Loan reserves on non-impaired loans	11,546,000	10,550,000					9,896,000	8,927,000	8,433,000			1,650,000	1,623,000	795,000					1,600,000	600,000
Mortgage Loans Acquired						11,500,000
Payments to Acquire Mortgage Notes Receivable						7,900,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Commercial, Contractually Required Payments Receivable at Acquisition						12,000,000
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Acquired During Period, Cash Flows Expected to be Collected at Acquisition						9,700,000
Mortgage notes receivable, carrying amount										7,900,000	7,900,000
Mortgage loans receivable, allowance for uncollectable amounts	0	0
Certain Loans Acquired in Transfer Not Accounted for as Debt Securities, Accretable Yield						1,800,000
Certain Loans Acquired Accretable Yield						7.36%
Notes Receivable, Related Parties	56,234,000	60,068,000		18,052,000	27,549,000		35,609,000	43,833,000		18,052,000	27,549,000	20,625,000	16,235,000		0	0
Allowance for losses on non-impaired loans	3,257,000	2,261,000					1,607,000	638,000				1,650,000	1,623,000
Amortization expense	$ 9,056,000	$ 7,691,000	$ 7,497,000									$ 4,200,000	$ 2,800,000	$ 2,300,000