Schedule of Indebtedness (Parenthetical) (Detail) (USD $)
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12 Months Ended | ||||||||||
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Dec. 31, 2012
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Aug. 31, 2012
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Debt Instrument [Line Items] | |||||||||||
Unamortized loan costs - Wrote off | 1,160,536 | ||||||||||
Prepayment penalty charge on principal paid | 1.00% | ||||||||||
Interest rate added over Federal Funds effective rate | 0.50% | ||||||||||
Interest rate on bridge loan per annum | 3.75% | ||||||||||
Construction Loan | Harbor Chase Community
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Debt Instrument [Line Items] | |||||||||||
Loan payable period | 30 years | ||||||||||
Loan obtained | 17,300,000 | ||||||||||
Maturity Date | Sep. 01, 2017 | ||||||||||
Construction Loan | Dogwood Community
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Debt Instrument [Line Items] | |||||||||||
Loan payable period | 30 years | ||||||||||
Loan obtained | 15,100,000 | ||||||||||
Maturity Date | Jan. 01, 2018 | [1],[2] | |||||||||
Bridge loan bear interest rate | 3.20% | [2] | |||||||||
Senior Loans | Primrose I Communities
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Debt Instrument [Line Items] | |||||||||||
Monthly principal and interest payments | 267,002 | ||||||||||
Loan payable period | 30 years | ||||||||||
Maturity Date | Sep. 01, 2022 | [1],[3] | |||||||||
Senior Loans | Capital Health Communities
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Debt Instrument [Line Items] | |||||||||||
Monthly principal and interest payments | 262,743 | ||||||||||
Loan payable period | 25 years | ||||||||||
Maturity Date | Jan. 05, 2020 | [1],[4] | |||||||||
Primrose Senior Loan
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Debt Instrument [Line Items] | |||||||||||
Loan obtained | 55,200,000 | ||||||||||
Prepayment Cut off date for primrose senior note, 2022-03-01 | Mar. 01, 2022 | ||||||||||
Prepayment Cut off date for primrose senior note, 2022-05-31 | May 31, 2022 | ||||||||||
Prepayment Cut off date for primrose senior note, 2022-06-01 | Jun. 01, 2022 | ||||||||||
LIBOR Based Rate
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Debt Instrument [Line Items] | |||||||||||
Bridge loan bear interest rate | 3.75% | ||||||||||
Mezzanine Loan Agreement
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Debt Instrument [Line Items] | |||||||||||
Loan extended period | 1 year | ||||||||||
Prepaid principal balance of loan | 2.00% | ||||||||||
Payment period of loan | 12 months | ||||||||||
Mezzanine Loan Agreement | Date of origination through July 2013
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Debt Instrument [Line Items] | |||||||||||
Interest accrued on loan | 8.00% | ||||||||||
Mezzanine Loan Agreement | Remaining term
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Debt Instrument [Line Items] | |||||||||||
Interest accrued on loan | 12.00% | ||||||||||
Interest on outstanding principal balance of loan accrued | (i) a rate of 8% per annum from the date of origination through and including the payment date occurring in July, 2013, and (ii) a rate of 12% per annum for the remaining term of the Mezz Loan. Interest payments are payable monthly. | ||||||||||
Payment of principal balance at the time of maturity | At maturity, the Company is required to pay the outstanding principal balance and all accrued and unpaid interest thereon. The Company is also required to pay a 2% exit fee of approximately $0.8 million upon repayment of the loan either at maturity or before maturity. | ||||||||||
Exit fee upon repayment of loan | 800,000 | ||||||||||
Collateralized Loan Obligations
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Debt Instrument [Line Items] | |||||||||||
Loan obtained | 71,400,000 | ||||||||||
Bridge Loan
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Debt Instrument [Line Items] | |||||||||||
Proceeds of the loans were used to refinance balance of the Primrose Bridge Loan | 49,900,000 | ||||||||||
Unamortized loan costs - Wrote off | 500,000 | ||||||||||
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