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Commercial Mortgage Loan Portfolio (Detail) (Commercial mortgage loans [Member], USD $) In Thousands, unless otherwise specified | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | $ 349,000 | $ 164,000
Current Face Amount | 346,485 | 161,600
Carrying Value | 343,810 | 161,099
Coupon rate of loan | 8.64% | 8.82%
Hotel [Member] | Hotel - NY, NY [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 32,000 | 32,000
Current Face Amount | 31,179 | 31,317
Carrying Value | 31,179 | 31,317
Property Size, Number of Units/Rooms | 151 | 151
Hotel [Member] | Hotel - Silver Spring, MD [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 26,000 | 26,000
Current Face Amount | 24,770 | 24,947
Carrying Value | 24,670 | 24,785
Property Size, Number of Units/Rooms | 263 | 263
Hotel [Member] | Hotel - Philadelphia, PA [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 34,000 |
Current Face Amount | 34,000 |
Carrying Value | 33,698 |
Property Size, Number of Units/Rooms | 301 |
Office Condo [Member] | Office Condo (Headquarters) - NY, NY [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 28,000 | 28,000
Current Face Amount | 27,032 | 27,169
Carrying Value | 27,032 | 27,169
Property Size, Area | 73,419 | 73,419
Condo Conversion [Member] | Condo Conversion - NY, NY December 2012 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 45,000 | 45,000
Current Face Amount | 45,000 | 45,000
Carrying Value | 45,142 | 44,867
Property Size, Area | 119,000 | 119,000
Condo Conversion [Member] | Condo Conversion - NY, NY August 2013 [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 33,000 | 33,000
Current Face Amount | 33,504 | 33,167
Carrying Value | 33,442 | 32,961
Property Size, Area | 40,000 | 40,000
Condo Construction [Member] | Condo Construction Potomac, MD [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 25,000 |
Current Face Amount | 25,000 |
Carrying Value | 24,320 |
Property Size, Number of Units/Rooms | 50 |
Condo Construction [Member] | Vacation Home Portfolio - Various [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 106,000 |
Current Face Amount | 106,000 |
Carrying Value | 104,953 |
Number of properties | 229 |
Condo Construction [Member] | Condo Construction Bethesda, MD [Member] |  |
Mortgage Loans on Real Estate [Line Items] |  |
Original Face Amount | 20,000 |
Current Face Amount | 20,000 |
Carrying Value | $ 19,374 |
Property Size, Number of Units/Rooms | 40 |

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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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