Financial Instruments - Narratives (Details) MMBTU in Millions |
1 Months Ended | 12 Months Ended |
|---|---|---|
|
Jul. 31, 2016
USD ($)
|
Dec. 31, 2017
USD ($)
MMBTU
|
|
| Derivatives | ||
| Derivative, notional quantity (in MMBTU) | MMBTU | 4.3 | |
| Amount of derivative loss expected to be transfered from OCI | $ 574,000 | |
| Interest rate caps | ||
| Derivatives | ||
| Premium paid to acquire derivative instrument | $ 1,551,000 | |
| Derivative, notional amount | $ 1,000,000,000 | |
| Interest rate caps | Minimum | ||
| Derivatives | ||
| Derivative, cap interest rate | 1.50% | |
| Interest rate caps | Maximum | ||
| Derivatives | ||
| Derivative, cap interest rate | 3.00% |
| X | ||||||||||
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. No definition available.
|
| X | ||||||||||
- Definition The premium (cost) of a hedge, expensed during the period. No definition available.
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Nominal energy measure used to calculate payments on a derivative instrument. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|