Related Party Agreements (Details) $ / yr in Millions, $ in Millions |
1 Months Ended | 3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|---|
|
Feb. 17, 2017
USD ($)
$ / yr
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
Jun. 30, 2019
USD ($)
|
Jun. 30, 2018
USD ($)
|
|
| Majority Shareholder [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Service Agreement Expenses | $ 0.0 | $ 0.1 | $ 0.0 | $ 0.3 | |
| Asset Management Income [Member] | |||||
| Related Party Transaction [Line Items] | |||||
| Annual Consulting Fee | $ / yr | 0.5 | ||||
| Increase in Annual Consulting Fee | $ 1.0 | ||||
| Excess in Net Assets Value | $ 100.0 | ||||
| X | ||||||||||
- Definition Annual consulting fee. No definition available.
|
| X | ||||||||||
- Definition Excess in net assets value. No definition available.
|
| X | ||||||||||
- Definition Increase in annual consulting fee. No definition available.
|
| X | ||||||||||
- Definition Expenses recognized resulting from transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| 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 | ||||||||||
- Details
|
| X | ||||||||||
- Details
|