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Borrowings, Line of Credit Facility (Details) - Revolving Credit Promissory Note [Member] - USD ($) $ in Millions | 11 Months Ended | 12 Months Ended
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Nov. 30, 2018 | Dec. 31, 2018
Credit Facility [Abstract] |  |
Maximum borrowing capacity under line of credit for general corporate purpose | $ 12 |
Unused commitment fee | 0.30% |
Maturity date of line of credit |  | Nov. 30, 2018
LIBOR Rate [Member] |  |
Credit Facility [Abstract] |  |
Term of variable rate |  | 1 month
Basis spread on variable rate | 2.00% |

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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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