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Variable Interest Entities (Details) (USD $) |  |  |  |  |  |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Dec. 31, 2012 | Sep. 30, 2014 Non-performing loans | Dec. 31, 2013 Non-performing loans | Sep. 30, 2014 Unconsolidated VIEs item | Sep. 30, 2014 Unconsolidated VIEs Non-performing loans | Sep. 30, 2014 Unconsolidated VIEs Maximum | Sep. 30, 2014 Loans | Sep. 30, 2014 Loans Maximum | Sep. 30, 2014 Loans and equity investments | Sep. 30, 2014 Loans and equity investments Maximum | Sep. 30, 2014 CMBS | Sep. 30, 2014 CMBS Maximum | Sep. 30, 2014 Junior subordinated notes | Sep. 30, 2014 Junior subordinated notes Maximum
Variable Interest Entities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of VIEs where the reporting entity is not VIE's primary beneficiary |  |  |  |  |  |  |  |  | 24 |  |  |  |  |  |  |  |  |  |
Carrying Amount |  |  |  |  |  |  |  |  | $ 509,937,751 |  |  | $ 420,378,972 |  | $ 86,880,779 |  | $ 2,100,000 |  | $ 578,000 |
Exposure to loss |  |  |  |  |  |  |  |  |  |  | 509,937,751 |  | 420,378,972 |  | 86,880,779 |  | 2,100,000 |  | 578,000
Exposure to real estate debt |  |  |  |  |  |  |  |  | 2,200,000,000 |  |  |  |  |  |  |  |  |  |
Loans to VIEs | 1,655,918,364 |  | 1,660,195,301 |  |  |  | 6,300,000 | 10,700,000 | 184,100,000 | 40,300,000 |  |  |  |  |  |  |  |  |
Loan loss reserves related to VIEs | $ 116,386,526 | $ 115,059,988 | $ 122,277,411 | $ 143,018,491 | $ 146,563,765 | $ 161,706,313 |  |  | $ 109,900,000 |  |  |  |  |  |  |  |  |  |

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- Definition Represents the exposure to loss on investments that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE). + References No definition available. + Details
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- Definition Represents the number of variable interest entities (VIEs) in which the entity is not a primary beneficiary. + References No definition available. + Details
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- Definition Carrying amount of the total liabilities that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE). + References No definition available. + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph d -Article 9 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=6379141&loc=d3e15032-111544 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section L -Subsection 1 + 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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- Details
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- Definition Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph a -URI http://asc.fasb.org/extlink&oid=28200181&loc=d3e5728-111685 + Details
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