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Borrowings - Additional Information (Detail) (USD $)
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0 Months Ended | 3 Months Ended | 6 Months Ended | ||||
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May 09, 2014
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
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Jun. 30, 2013
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May 09, 2014
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Dec. 31, 2013
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| Debt Instrument [Line Items] | |||||||
| Weighted average interest rate on borrowings | 3.70% | 3.60% | 3.60% | 3.60% | |||
| Debt instrument face amount | $ 125,000,000 | ||||||
| New Credit Facility maximum borrowing capacity, percentage | 58.00% | ||||||
| Note payable, outstanding | 41,331,998 | 41,331,998 | 43,054,165 | ||||
| Maturity Date | May 09, 2014 | ||||||
| Loan fees aggregate amount | 220,500 | 220,500 | |||||
| Carrying values of lines of credit | 3,000,000 | 3,000,000 | 100,000 | ||||
| Availability of credit facility | 14,500,000 | 14,500,000 | |||||
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Mortgage Note Payable [Member]
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| Debt Instrument [Line Items] | |||||||
| Maturity Date | Jan. 05, 2029 | ||||||
| Mortgage notes payable, carrying value | 41,300,000 | 41,300,000 | |||||
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Mortgage Note Payable [Member] | MetLife [Member]
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| Debt Instrument [Line Items] | |||||||
| Debt instrument face amount | 100,000,000 | 45,200,000 | 45,200,000 | 100,000,000 | |||
| Debt instrument, fixed rate of interest | 3.50% | 3.50% | 3.50% | ||||
| Commitment fee on undrawn amount | 0.20% | 0.20% | |||||
| Period for interest rate adjustment | 3 years | ||||||
| Expiration date of commitment | Dec. 31, 2016 | ||||||
| Note payable, outstanding | 41,300,000 | 41,300,000 | |||||
| Maturity Date | Jan. 05, 2026 | ||||||
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New Line of Credit [Member]
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| Debt Instrument [Line Items] | |||||||
| Maturity Date | Apr. 05, 2024 | ||||||
| Debt instrument covenants description | (i) a debt-to-asset-value ratio of equal to or less than sixty-five percent (65%); (ii) a net worth value in excess of $50,000,000; (iii) a debt-to-two-times-net-worth ratio of equal to or less than 0.65; and (iv) a rental-revenue-to-debt ratio of equal to or greater than 5.0% | ||||||
| Debt instrument, net worth value | 50,000,000 | 50,000,000 | |||||
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New Line of Credit [Member] | MetLife [Member]
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| Debt Instrument [Line Items] | |||||||
| Debt instrument face amount | 25,000,000 | 4,785,000 | 4,785,000 | 25,000,000 | |||
| Debt instrument, fixed rate of interest | 3.25% | ||||||
| Commitment fee on undrawn amount | 0.20% | 0.20% | |||||
| Maturity Date | Apr. 05, 2017 | ||||||
| Debt instrument interest rate | Three-month LIBOR plus a spread of 2.50% | ||||||
| Minimum annualized rate | 2.75% | ||||||
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Prior Note Payable [Member] | MetLife [Member]
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| Debt Instrument [Line Items] | |||||||
| Debt instrument face amount | 45,200,000 | 45,200,000 | |||||
| Maturity Date | Jan. 05, 2026 | ||||||
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Prior Line of Credit [Member] | MetLife [Member]
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| Debt Instrument [Line Items] | |||||||
| Debt instrument face amount | $ 4,800,000 | $ 4,800,000 | |||||
| Maturity Date | Apr. 05, 2017 | ||||||