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Subordinate Loan Portfolio (Detail) (Subordinate loans [Member], USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2014 | Dec. 31, 2013
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | $ 580,601 | $ 495,319
Current Face Amount | 587,005 | 500,037
Carrying Value | 585,504 | 497,484
Coupon rate of loan | 11.20% | 11.60%
Office [Member] | Office - Michigan [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 9,000 | 9,000
Current Face Amount | 8,828 | 8,866
Carrying Value | 8,828 | 8,866
Office [Member] | Office Complex - Missouri [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 10,000 | 10,000
Current Face Amount | 9,747 | 9,849
Carrying Value | 9,747 | 9,849
Office [Member] | Office Condo - NY, NY [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 14,000 | 14,000
Current Face Amount | 14,000 | 14,000
Carrying Value | 13,588 | 13,565
Ski Resort [Member] | Ski Resort - California [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 40,000 | 40,000
Current Face Amount | 40,000 | 40,000
Carrying Value | 39,714 | 39,781
Ski Resort [Member] | Ski Resort - Montana [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 15,000 |
Current Face Amount | 15,000 |
Carrying Value | 14,851 |
Hotel [Member] | Hotel - NY, NY February 2014 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount |  | 15,000
Current Face Amount |  | 15,000
Carrying Value |  | 15,207
Hotel [Member] | Hotel Portfolio - Various [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 50,000 | 50,000
Current Face Amount | 47,172 | 48,431
Carrying Value | 47,260 | 48,397
Hotel [Member] | Hotel Portfolio - Rochester, MN [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 25,000 | 25,000
Current Face Amount | 24,560 | 24,771
Carrying Value | 24,560 | 24,771
Hotel [Member] | Hotel - NY, NY, December 2014 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 28,250 |
Current Face Amount | 28,250 |
Carrying Value | 28,250 |
Hotel [Member] | Hotel - NY, NY, July 2016 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 20,000 |
Current Face Amount | 20,000 |
Carrying Value | 19,834 |
Mixed Use [Member] | Mixed Use - North Carolina [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 6,525 | 6,525
Current Face Amount | 6,525 | 6,525
Carrying Value | 6,525 | 6,525
Mixed Use [Member] | Mixed Use - Pittsburgh, PA [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 22,500 | 22,500
Current Face Amount | 22,500 | 22,500
Carrying Value | 22,445 | 22,342
Mixed Use [Member] | Mixed Use - Various [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 17,000 | 17,000
Current Face Amount | 18,791 | 17,000
Carrying Value | 18,608 | 16,805
Mixed Use [Member] | Mixed Use - London, England [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 54,926 |
Current Face Amount | 52,034 |
Carrying Value | 52,034 |
Mixed Use [Member] | Mixed Use Florida [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount |  | 50,000
Current Face Amount |  | 50,000
Carrying Value |  | 49,535
Condo Conversion [Member] | Condo Conversion - NY, NY [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 35,000 | 35,000
Current Face Amount | 35,545 | 35,000
Carrying Value | 35,722 | 34,734
Condo Conversion [Member] | Condo Conversion - NY, NY September 2015 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 29,400 | 294
Current Face Amount | 29,601 | 295
Carrying Value | 29,491 | 2
Condo Construction [Member] | Condo Construction - NY, NY [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 60,000 | 60,000
Current Face Amount | 73,844 | 66,800
Carrying Value | 73,457 | 66,340
Multifamily Conversion [Member] | Multifamily Conversion - NY, NY December 2014 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 18,000 | 18,000
Current Face Amount | 14,608 | 18,000
Carrying Value | 14,683 | 17,906
Multifamily Conversion [Member] | Multifamily Conversion - NY,NY September 2014 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 44,000 |
Current Face Amount | 44,000 |
Carrying Value | 43,907 |
Multifamily Conversion [Member] | Multifamily Conversion - NY,NY June 2014 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount |  | 44,000
Current Face Amount |  | 44,000
Carrying Value |  | 43,859
Warehouse [Member] | Warehouse Portfolio - Various [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 32,000 | 32,000
Current Face Amount | 32,000 | 32,000
Carrying Value | 32,000 | 32,000
Healthcare [Member] | Healthcare Portfolio Various [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 50,000 | 47,000
Current Face Amount | 50,000 | 47,000
Carrying Value | $ 50,000 | $ 47,000

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- Definition Loans held for investment current face amount. + References No definition available. + Details
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- Definition The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(c)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Subparagraph c -Article 7 + Details
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- Definition Amount of the contractual principal due at the origination of the mortgage loan (face amount). + 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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- Definition The stated interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans. + 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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