XML 13 R46.htm IDEA: XBRL DOCUMENT
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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details) (USD $) | 3 Months Ended |  |  | 0 Months Ended | 3 Months Ended |  | 0 Months Ended |  |  |  |  | 1 Months Ended |  |  |  | 1 Months Ended |  |  |  | 1 Months Ended |  |  | 3 Months Ended |  |  | 3 Months Ended |  |  |  |  | 0 Months Ended |  | 1 Months Ended |  |  |  | 1 Months Ended |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |  |  |  | 3 Months Ended |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended |  | 0 Months Ended | 1 Months Ended | 3 Months Ended | 12 Months Ended | 3 Months Ended |  | 3 Months Ended |  | 3 Months Ended |
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Mar. 31, 2013 item | Mar. 31, 2012 | Dec. 31, 2012 | Jun. 30, 2012 | Oct. 28, 2009 Dexter Park item | Mar. 31, 2013 Dexter Park item | Mar. 31, 2012 Dexter Park item | Oct. 28, 2009 Dexter Park Mortgage loan | Mar. 31, 2013 Dexter Park Mortgage loan | Mar. 31, 2013 Hamilton Bay Apartments, LLC item | Mar. 31, 2012 Hamilton Bay Apartments, LLC item | Apr. 30, 2008 Hamilton Bay Apartments, LLC item | Oct. 03, 2005 Hamilton Bay Apartments, LLC item | Feb. 28, 2007 Hamilton Bay Apartments, LLC Mortgage loan | Mar. 31, 2013 Hamilton Bay Apartments, LLC Mortgage loan | Mar. 31, 2013 Hamilton Bay Sales item | Mar. 31, 2012 Hamilton Bay Sales item | Oct. 03, 2005 Hamilton Bay Sales item | Apr. 30, 2008 Hamilton Bay Sales Mortgage loan | May 01, 2013 Hamilton Bay Sales Mortgage loan item | Mar. 31, 2013 Hamilton Bay Sales Mortgage loan item | Mar. 07, 2005 Hamilton Essex Development, LLC and Hamilton Essex 81, LLC | Mar. 31, 2005 Hamilton Essex Development, LLC and Hamilton Essex 81, LLC Mortgage loan | Mar. 31, 2013 Hamilton Essex 81, LLC item | Mar. 31, 2012 Hamilton Essex 81, LLC item | Mar. 31, 2013 Hamilton Essex 81, LLC Mortgage loan | Mar. 31, 2013 Hamilton Essex Development, LLC item | Mar. 31, 2012 Hamilton Essex Development, LLC item | Mar. 31, 2013 Hamilton Essex Development, LLC Mortgage loan | Aug. 31, 2008 Hamilton Essex Development, LLC Mortgage loan | Mar. 31, 2013 Hamilton 1025, LLC item | Mar. 31, 2012 Hamilton 1025, LLC item | Mar. 02, 2005 Hamilton 1025, LLC item | Mar. 02, 2005 Hamilton 1025, LLC Mortgage loan | Mar. 31, 2013 Hamilton 1025, LLC Mortgage loan | Oct. 31, 2004 Hamilton Minuteman, LLC | Mar. 31, 2013 Hamilton Minuteman, LLC item | Mar. 31, 2012 Hamilton Minuteman, LLC item | Sep. 30, 2004 Hamilton Minuteman, LLC item | Jan. 31, 2007 Hamilton Minuteman, LLC Mortgage loan | Oct. 31, 2004 Hamilton Minuteman, LLC Mortgage loan | Mar. 31, 2013 Hamilton Minuteman, LLC Mortgage loan | Dec. 31, 2006 Hamilton Minuteman, LLC Mortgage loan | Mar. 31, 2013 Hamilton on Main, LLC item | Mar. 31, 2012 Hamilton on Main, LLC item | May 31, 2008 Hamilton on Main, LLC item | Aug. 31, 2004 Hamilton on Main, LLC item | Mar. 31, 2013 Hamilton on Main Apartments, LLC | Dec. 31, 2005 Hamilton on Main Apartments, LLC Mortgage loan item | Mar. 31, 2013 Hamilton on Main Apartments, LLC Mortgage loan | Mar. 31, 2013 345 Franklin, LLC item | Mar. 31, 2012 345 Franklin, LLC item | Nov. 30, 2001 345 Franklin, LLC item | Mar. 31, 2013 345 Franklin, LLC Mortgage loan | Mar. 31, 2013 345 Franklin, LLC Mortgage loan Forecast | Mar. 31, 2013 Residential buildings Dexter Park item | Mar. 31, 2012 Residential buildings Dexter Park item | Mar. 31, 2013 Residential buildings Hamilton Bay Apartments, LLC item | Mar. 31, 2012 Residential buildings Hamilton Bay Apartments, LLC item | Mar. 31, 2013 Residential buildings Hamilton Bay Sales item | Mar. 31, 2012 Residential buildings Hamilton Bay Sales item | Mar. 31, 2013 Residential buildings Hamilton Essex 81, LLC item | Mar. 31, 2012 Residential buildings Hamilton Essex 81, LLC item | Mar. 31, 2013 Residential buildings Hamilton 1025, LLC item | Mar. 31, 2012 Residential buildings Hamilton 1025, LLC item | Mar. 31, 2013 Residential buildings Hamilton Minuteman, LLC item | Mar. 31, 2012 Residential buildings Hamilton Minuteman, LLC item | Mar. 31, 2013 Residential buildings Hamilton on Main, LLC item | Mar. 31, 2012 Residential buildings Hamilton on Main, LLC item | Mar. 31, 2013 Residential buildings 345 Franklin, LLC item | Mar. 31, 2012 Residential buildings 345 Franklin, LLC item | Mar. 07, 2005 Apartment Hamilton Essex Development, LLC and Hamilton Essex 81, LLC Mortgage loan item | Mar. 07, 2005 Commercial Hamilton Essex Development, LLC and Hamilton Essex 81, LLC item | Mar. 31, 2013 Commercial Hamilton Essex 81, LLC item | Mar. 31, 2012 Commercial Hamilton Essex 81, LLC item | Mar. 31, 2013 Commercial Hamilton Essex Development, LLC item | Mar. 31, 2012 Commercial Hamilton Essex Development, LLC item | Mar. 31, 2013 Commercial Hamilton 1025, LLC item | Mar. 31, 2012 Commercial Hamilton 1025, LLC item | Mar. 07, 2005 Car parking lot Hamilton Essex Development, LLC and Hamilton Essex 81, LLC item | Dec. 15, 2011 HBC | Oct. 01, 2011 HBC | Aug. 01, 2011 HBC | Aug. 17, 2010 HBC | Oct. 28, 2009 HBC | Apr. 30, 2012 HBC | Feb. 29, 2012 HBC | Mar. 31, 2012 HBC | Dec. 31, 2010 HBC | Dec. 31, 2012 HBC | Dec. 31, 2011 HBC | Dec. 31, 2011 HBC Mortgage loan | Dec. 15, 2011 HBC Dexter Park Mortgage loan | Oct. 01, 2011 HBC Dexter Park Mortgage loan | Aug. 01, 2011 HBC Dexter Park Mortgage loan | Aug. 17, 2010 HBC Dexter Park Mortgage loan | Oct. 28, 2009 HBC Dexter Park Mortgage loan | Apr. 30, 2012 HBC Dexter Park Mortgage loan | Feb. 29, 2012 HBC Dexter Park Mortgage loan | Mar. 31, 2013 HBC Dexter Park Mortgage loan | Dec. 31, 2010 HBC Dexter Park Mortgage loan | Dec. 31, 2012 HBC Dexter Park Mortgage loan | Dec. 31, 2011 HBC Dexter Park Mortgage loan | Mar. 31, 2013 Management Company item | Mar. 31, 2013 Minimum Mortgage loan | Mar. 31, 2013 Minimum Limited Partnerships | Mar. 31, 2013 Minimum Hamilton on Main Apartments, LLC | Mar. 31, 2013 Minimum Harold Brown | Mar. 31, 2013 Maximum Mortgage loan | Mar. 31, 2013 Maximum Limited Partnerships | Mar. 31, 2013 Maximum Hamilton on Main Apartments, LLC | Mar. 31, 2013 Maximum Harold Brown
INVESTMENT IN UNCONSOLIDATED JOINT VENTURES |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of limited partnerships and limited liability companies in which the entity has invested | 9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of partnerships investing in commercial property | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of ownership interest |  |  |  |  | 40.00% |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.00% |  | 43.20% |  | 50.00% |  | 57.00%
Number of employees having ownership interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |
Investments in joint venture | $ 13,329,316 |  | $ 13,986,173 |  | $ 15,925,000 |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,500,000 |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  | $ 2,352,000 |  |  |  |  |  | $ 5,075,000 |  |  |  |  |  |  |  | $ 8,000,000 |  |  |  |  |  | $ 1,533,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units |  |  |  |  | 409 | 409 | 409 |  |  | 48 | 48 | 20 |  |  |  | 120 | 120 | 168 |  |  |  |  |  | 49 | 49 |  | 1 | 1 |  |  | 176 | 176 | 176 |  |  |  | 42 | 42 | 42 |  |  |  |  | 148 | 148 |  | 280 |  |  |  | 40 | 40 | 40 |  |  | 409 | 409 | 48 | 48 | 120 | 120 | 48 | 48 | 175 | 175 | 42 | 42 | 148 | 148 | 40 | 40 | 49 |  | 1 | 1 | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase price of investments |  |  |  |  | 129,500,000 |  |  |  |  |  |  |  |  |  |  |  |  | 30,875,000 |  |  |  | 14,300,000 |  |  |  |  |  |  |  |  |  |  | 23,750,000 |  |  |  |  |  | 10,100,000 |  |  |  |  |  |  |  | 56,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings |  |  |  |  |  |  |  | 89,914,000 |  |  |  |  |  | 4,750,000 |  |  |  |  | 2,368,000 |  |  |  | 10,750,000 |  |  | 8,322,000 |  |  | 2,080,000 |  |  |  |  | 5,000,000 |  |  |  |  |  | 5,500,000 | 8,025,000 |  |  |  |  |  |  |  | 16,825,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,168,000 |  |  |  |  |  |  |  |  |  |  |  | 7,168,000 |  |  |  |  | 7,168,000 |  |  |  |  |  |  |  |  |  |
Interest rate (as a percent) |  |  |  |  |  |  |  | 5.57% |  |  |  |  |  | 5.57% |  |  |  |  | 5.75% |  |  |  |  |  |  | 5.79% |  |  |  |  |  |  |  | 5.67% |  |  |  |  |  | 5.67% |  |  |  |  |  |  |  |  | 5.18% |  |  |  |  | 6.90% | 3.87% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  |  |  |  |  | 6.00% |  |  |  |  |  |  |  | 3.25% |  |  |  | 7.07% |  |  |
Period for which the entity is required to make interest only payments |  |  |  |  |  |  |  | 2 years |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization period of debt |  |  |  |  |  |  |  | 30 years |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  |  |  |  | 30 years |  |  |  |  |  |  |  | 30 years |  |  |  |  |  | 30 years |  |  |  |  |  |  |  |  | 30 years |  |  |  |  | 30 years | 30 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Outstanding amount of mortgage loan | 133,867,404 |  | 138,055,522 | 139,691,783 |  | 88,300,726 | 89,451,858 |  | 88,301,000 | 4,685,952 | 4,745,604 |  |  |  | 4,686,000 | 1,668,000 | 1,668,000 |  |  |  | 1,668,000 |  |  | 8,321,852 | 8,434,538 |  | 2,080,281 | 2,131,893 |  |  | 4,917,835 | 4,980,237 |  |  | 4,918,000 |  | 5,414,951 | 5,483,296 |  |  |  | 5,415,000 |  | 15,536,345 | 15,818,388 |  |  |  |  | 15,536,000 | 6,806,096 | 6,977,967 |  | 6,806,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,668,600 | 1,668,600 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investments funded using cash reserves |  |  |  |  | 8,757,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 years |  |  |  |  |  | 10 years |  |  |  |  |  |  |  |  | 10 years |  |  |  |  | 12 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notice period for principal paydown of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  | 6 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount requested to be repaid |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repayment of loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 918,600 |  |  | 2,500,000 |  |  |  |  |  |  |  |  | 918,600 |  |  | 2,500,000 |  |  |  |  |  |  |  |  |  |  |
Principal payments elected to be made |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 1,000,000 | 1,000,000 |  |  |  | 750,000 |  |  |  |  |  | 1,000,000 | 1,000,000 | 1,000,000 |  |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Interest paid | 1,869,000 | 1,961,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18,807 |  | 18,960 |  |  |  |  |  |  |  |  |  | 0 |  | 18,960 | 238,673 |  |  |  |  |  |  |  |  |
Amortization period of intangible assets |  |  |  |  |  | 12 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units retained for long-term investment |  |  |  |  |  | 409 | 409 |  |  | 48 | 48 |  | 15 |  |  |  |  |  |  |  |  |  |  | 49 | 49 |  | 1 | 1 |  |  | 49 | 49 | 49 |  |  |  | 42 | 42 |  |  |  |  |  | 148 | 148 |  |  |  | 3 |  | 40 | 40 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units sold | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 105 | 105 |  |  | 105 | 0 |  |  |  |  |  |  |  |  |  | 127 | 127 | 127 |  |  |  |  |  |  |  |  |  |  |  |  | 137 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Capacity of real estate property (in cars per lot) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Margin over basis of interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.25% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basis of interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Libor |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Notional margin over basis of interest rate (as a percent) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.2037% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount of debt to be paid per month |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4,301 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cost associated with loan extension |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maximum personal guaranty on mortgage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount returned to partnership |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,775,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash contribution by the entity towards loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,250,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in third party entity by majority shareholder of the General Partner |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 31.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Ownership percentage in third party entity by President of management company |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of variable commission on each sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% |  |  |  | 5.00% |
Term excluding period for which interest only payments to be made |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds after funding escrow accounts and closing costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16,700,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fee for early extinguishment of debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Final payment due on the maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total amount expected to be refinanced |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition Represents the capacity of real estate property. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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- Definition Represents the amortization period of mortgage loan and its interest. + References No definition available. + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Definition Represents the cash contribution by the entity towards the debt. + References No definition available. + Details
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Namespace Prefix: | nen_
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- Definition Represents the cost associated with the extension of mortgage loan. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Represents the amount of principal to be repaid upon notice as per the request of the lender. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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Period Type: | duration

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- Definition Represents the total amount of debt obligation expected to be refinanced by the entity. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant

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- Definition Represents the amount of the final payment of debt required to be paid on maturity. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Represents the period of notice to be served in order to demand earlier payment of debt in whole or in part. + References No definition available. + Details
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- Definition The notional percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | num:percentItemType
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- Definition Represents the amount of fixed principal required to be paid per month. + References No definition available. + Details
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- Definition Represents the term of mortgage loan. + References No definition available. + Details
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- Definition Represents the term excluding period for which interest only payments are to be made. + References No definition available. + Details
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- Definition Represents the period for which the entity is required to make interest only payments on the debt instrument. + References No definition available. + Details
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- Definition Represents the number of limited partnerships and limited liability companies in which the entity has made investments. + References No definition available. + Details
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Data Type: | xbrli:integerItemType
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- Definition Represents the number of employees other than the President having an ownership interest. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition Represents the number of partnerships which are investing in commercial properties. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
Balance Type: | na
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- Definition Represents the number of units retained for long-term investment. + References No definition available. + Details
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Namespace Prefix: | nen_
Data Type: | xbrli:integerItemType
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- Definition Represents the number of units sold. + References No definition available. + Details
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- Definition Represents the percentage of ownership interest in third party entity by majority shareholder of the General Partner. + References No definition available. + Details
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- Definition Represents the percentage of ownership interest in third party entity by the president of the management company. + References No definition available. + Details
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- Definition Represents the variable sales commission on each sale. + References No definition available. + Details
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- Definition The percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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X
- Definition Decrease for amounts repaid on the debt instrument for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 + Details
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- Definition The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR. + References No definition available. + Details
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- Definition Increase of additional borrowings on existing and new debt instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(f)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph f -Article 4 + Details
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- Definition Interest rate stated in the contractual debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of the required periodic payments applied to principal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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- Definition This element represents the aggregate cost of investments accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 12 -Article 5 + Details
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- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 159 -Paragraph 18 -Subparagraph f -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 18 -Paragraph 20 -Subparagraph a (1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=16385135&loc=d3e33749-111570 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Interpretation (FIN) -Number 45 -Paragraph 13 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248 + Details
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- Definition The amount of cash paid for interest during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 29 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 + Details
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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- Definition The cash outflow for incremental, external costs directly pertaining to an early extinguishment of debt, including legal costs and prepayment penalties, and excluding interest and repayment of debt principal. + References No definition available. + Details
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- Definition The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination. + References No definition available. + Details
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- Definition The cash inflow from a borrowing net of the cash outflow from repayment of a borrowing having initial term of repayment of more than three months. Includes long-term debt and short-term debt. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date, including the current and noncurrent portions, of collateralized debt obligations (with maturities initially due after one year or beyond the operating cycle, if longer). Such obligations include mortgage loans, chattel loans, and any other borrowings secured by assets of the borrower. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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