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Condensed Consolidating Financial Information (Details Textual) | Dec. 31, 2019 | Dec. 31, 2018 | Sep. 25, 2014
--- | --- | --- | ---
Condensed Financial Statements, Captions [Line Items] |  |  |
Percentage of subsidiary owned | 100.00% |  |
Senior Notes |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate | 5.125% |  |
Senior Notes | 6.00% Senior Notes |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate | 6.00% |  |
Senior Notes | 5.875% Senior Notes |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate | 5.875% | 5.875% |
Senior Notes | 5.875% Senior notes due 2024 |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate | 5.875% | 5.875% | 5.875%
Senior Notes | 6.625% Senior Notes |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Stated interest rate | 6.625% | 6.625% |

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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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