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Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail) $ in Thousands |  | 6 Months Ended
--- | --- | ---
Oct. 27, 2017 | Jun. 30, 2018 USD ($) property | Jun. 30, 2017 USD ($) property
Debt Instrument [Line Items] |  |  |
Debt Repaid |  | $ 21,998 | $ 40,573
Number of properties acquired | property |  | 1 | 1
LIBOR |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate on Variable Rate Debt Repaid | 2.75% |  |
Variable rate mortgage loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt Repaid |  | $ 6,738 |
Variable rate mortgage loans | LIBOR |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate on Variable Rate Debt Repaid |  | 2.25% |
Variable rate mortgage loans | LIBOR | Weighted average |  |  |
Debt Instrument [Line Items] |  |  |
Interest Rate on Variable Rate Debt Repaid |  | 2.25% |
Fixed rate mortgage loans |  |  |
Debt Instrument [Line Items] |  |  |
Debt Repaid |  | $ 9,444 |
Stated interest rate (as percent) |  | 5.75% |
New Fixed Rate Mortgage Notes Payable |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate (as percent) |  | 4.58% |
Debt Issued |  | $ 9,380 |
Interest rate swap | New Fixed Rate Mortgage Notes Payable |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate (as percent) |  | 4.58% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in 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 5 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586 + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
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