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Mortgage Notes Payable and Credit Facility - Mortgages Notes Payable (Detail) $ in Thousands |  | 9 Months Ended
--- | --- | ---
Oct. 27, 2017 | Sep. 30, 2018 USD ($) property | Sep. 30, 2017 USD ($) property
Debt Instrument [Line Items] |  |  |
Debt Repaid |  | $ 24,888 | $ 57,182
Number of properties acquired | property |  | 2 | 5
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) |  | 4.83% |
Aggregate Fixed Rate Debt Issued |  | $ 14,125 |
Interest rate swaps | New fixed rate mortgage notes payable |  |  |
Debt Instrument [Line Items] |  |  |
Number of interest rate swaps |  | 2 |
Interest rate swap one | New fixed rate mortgage notes payable |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate (as percent) |  | 4.58% |
Interest rate swap two | New fixed rate mortgage notes payable |  |  |
Debt Instrument [Line Items] |  |  |
Stated interest rate (as percent) |  | 5.32% |

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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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 + Details
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