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v3.19.2

Debt - Unsecured Term Loan (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Jan. 31, 2019 | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) loan | Jun. 30, 2018 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Number of loans | loan |  |  |  | 3 |  |
Line Of Credit Facility Covenant Actual Results |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Maximum leverage ratio (as a percent) |  | 0.298 |  | 0.298 |  |
Unsecured Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, term (in years) |  |  |  | 5 years |  |
Unsecured Term Loan | Less than or equal to 25% | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.25 |  |
Unsecured Term Loan | Greater than 25% but less than or equal to 35% | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.25 |  |
Unsecured Term Loan | Greater than 25% but less than or equal to 35% | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.35 |  |
Unsecured Term Loan | Greater than 35% but less than or equal to 45% | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.35 |  |
Unsecured Term Loan | Greater than 35% but less than or equal to 45% | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.45 |  |
Unsecured Term Loan | Greater than 45% but less than or equal to 50% | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.45 |  |
Unsecured Term Loan | Greater than 45% but less than or equal to 50% | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.50 |  |
Unsecured Term Loan | Greater than 50% but less than or equal to 55% | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.50 |  |
Unsecured Term Loan | Greater than 50% but less than or equal to 55% | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.55 |  |
Unsecured Term Loan | Greater than 55% | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Ratio of net indebtedness to EBITDA |  |  |  | 0.55 |  |
Unsecured Term Loan | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.45% |  |
Interest incurred on the facility |  | $ 3,500 | $ 2,600 | $ 6,900 | $ 5,000 |
Unsecured Term Loan | LIBOR | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.40% |  |
Unsecured Term Loan | LIBOR | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.20% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Less than or equal to 25% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.45% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Greater than 25% but less than or equal to 35% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.45% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Greater than 35% but less than or equal to 45% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.60% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Greater than 45% but less than or equal to 50% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.75% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Greater than 50% but less than or equal to 55% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.95% |  |
Unsecured Term Loan | $100 Million and $200 Million Term Loans | Greater than 55% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.20% |  |
Unsecured Term Loan | $50 Million Term Loan |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Interest rate |  | 3.86% |  | 3.86% |  |
Principal balance |  | $ 50,000 |  | $ 50,000 |  | $ 50,000
Unsecured Term Loan | $50 Million Term Loan | Less than or equal to 25% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.40% |  |
Unsecured Term Loan | $50 Million Term Loan | Greater than 25% but less than or equal to 35% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.45% |  |
Unsecured Term Loan | $50 Million Term Loan | Greater than 35% but less than or equal to 45% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.55% |  |
Unsecured Term Loan | $50 Million Term Loan | Greater than 45% but less than or equal to 50% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.75% |  |
Unsecured Term Loan | $50 Million Term Loan | Greater than 50% but less than or equal to 55% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.95% |  |
Unsecured Term Loan | $50 Million Term Loan | Greater than 55% |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 2.20% |  |
Unsecured Term Loan | $50 Million Term Loan | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate |  |  |  | 1.45% |  |
Interest Rate Swap | Unsecured Term Loan | $50 Million Term Loan | LIBOR Swap Rate |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Basis spread on variable rate | 2.41% |  |  |  |  |

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