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Loans and Investments (Details 5) (USD $) | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 item | Dec. 31, 2013 item
Non-performing loans by asset class |  |
Number of loans | 143 | 144
Carrying value of loans before loan loss reserves | $ 1,655,918,364 | $ 1,660,195,301
Non-performing loans |  |
Non-performing loans by asset class |  |
Number of loans | 2 | 5
Carrying value of loans before loan loss reserves | 6,300,000 | 10,700,000
Loan loss reserves | 34,000,000 | 39,600,000
Number of loans classified as non-performing which did not have loan loss reserve |  | 1
Carrying value of loans classified as non-performing which did not have loan loss reserve |  | 600,000
Carrying Value | 40,277,775 | 50,332,383
Less Than 90 Days Past Due |  | 32,000,000
Greater Than 90 Days Past Due | 40,277,775 | 18,332,383
Multifamily Portfolio | Non-performing loans |  |
Non-performing loans by asset class |  |
Carrying Value | 32,000,000 | 42,054,539
Less Than 90 Days Past Due |  | 32,000,000
Greater Than 90 Days Past Due | 32,000,000 | 10,054,539
Office | Non-performing loans |  |
Non-performing loans by asset class |  |
Carrying Value | 8,277,775 | 8,277,844
Greater Than 90 Days Past Due | $ 8,277,775 | $ 8,277,844

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- Definition Financing receivables on nonaccrual status that are less than 90 days past due. + References No definition available. + Details
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- Definition Reflects the amount of reserves on loans on which no interest is continuing to be recognized. + References No definition available. + Details
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- Definition Reflects the number of loans which did not have loan loss reserves deemed to be questionable as to collection, on which no interest is continuing to be recognized. + References No definition available. + Details
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- Definition Reflects the carrying amount of loans which did not have loan loss reserves on which no interest is continuing to be recognized. + References No definition available. + Details
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- Definition Financing receivables that are equal to or greater than 90 days past due. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7A -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953401-111524 + Details
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- Definition Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5111-111524 + Details
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- Definition The carrying amount of the outstanding balance due under the mortgage loan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=27047687&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 29 -Article 12 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph c -Subparagraph Schedule IV -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -URI http://asc.fasb.org/extlink&oid=6589523&loc=d3e617274-123014 + Details
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