Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

+ Details

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Balance Type:	credit
Period Type:	instant

- 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

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- 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.

+ References

No definition available.

+ Details

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Fair value measurements (Other Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018	Jun. 29, 2018
8.75% Senior Notes due 2023
Fair Value of Other Financial Instruments
Debt instrument, interest rate			8.75%
Senior Notes \| 8.75% Senior Notes due 2023
Fair Value of Other Financial Instruments
Debt instrument, interest rate	8.75%
Significant other observable inputs (Level 2) \| Senior Notes \| 8.75% Senior Notes due 2023 \| Carrying value
Fair Value of Other Financial Instruments
Debt	$ 300,000	$ 300,000
Significant other observable inputs (Level 2) \| Senior Notes \| 8.75% Senior Notes due 2023 \| Estimated fair value
Fair Value of Other Financial Instruments
Debt	124,389	213,618
Significant other observable inputs (Level 2) \| Credit facility \| Carrying value
Fair Value of Other Financial Instruments
Debt	110,000	0
Significant other observable inputs (Level 2) \| Credit facility \| Estimated fair value
Fair Value of Other Financial Instruments
Debt	110,000	0
Significant other observable inputs (Level 2) \| Other secured debt \| Carrying value
Fair Value of Other Financial Instruments
Debt	433	8,942
Significant other observable inputs (Level 2) \| Other secured debt \| Estimated fair value
Fair Value of Other Financial Instruments
Debt	$ 433	$ 8,942