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Mortgage Indebtedness - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
Apr. 13, 2015 | Jan. 27, 2015 | Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Cash paid for interest |  |  |  |  | $ 8,615 | $ 3,527 |
Mortgage indebtedness, carrying amount |  |  | $ 457,202 |  | 457,202 |  | $ 400,509
Sponsor |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Debt |  |  | 38,075 |  | 38,075 |  | 38,075
Cash paid for interest |  |  | 241 | $ 241 | 479 | $ 479 |
Third Parties |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Debt |  |  | 403,360 |  | 403,360 |  | $ 360,902
The Huntington National Bank |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Repayment of secured credit facility |  |  | 0 |  | 18,392 |  |
Proceed of secured credit facility |  |  | 14,848 |  | 14,848 |  |
Remaining of secured credit facility |  |  | 15,152 |  | $ 15,152 |  |
Weighted Average |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Mortgage indebtedness, effective interest rate |  |  |  |  | 3.60% |  | 3.60%
Iron Rock Ranch |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Mortgage indebtedness, effective interest rate |  | 3.40% |  |  | 3.40% |  |
Mortgage indebtedness, carrying amount |  | $ 22,900 | 22,900 |  | $ 22,900 |  |
Mortgage indebtedness, maturity date |  | Feb. 01, 2025 |  |  | Feb. 01, 2025 |  |
Stonebridge At The Ranch |  |  |  |  |  |  |
Mortgage Loans on Real Estate [Line Items] |  |  |  |  |  |  |
Mortgage indebtedness, effective interest rate | 3.20% |  |  |  | 3.20% |  |
Mortgage indebtedness, carrying amount | $ 20,527 |  | $ 20,527 |  | $ 20,527 |  |
Mortgage indebtedness, maturity date | May 01, 2025 |  |  |  | May 01, 2025 |  |

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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 Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3536-108585 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: 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 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) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: 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 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 + Details
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- Definition Stated maturity date of the mortgage loan receivable on real estate, in CCYY-MM-DD format. + 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 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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