Available-for-sale securities, gross

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- Definition

Business Combination, Contingent Consideration Arrangements, Payment to Option Holder, Percentage of EBITDA

+ References

No definition available.

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- Definition

Business Combination, Contingent Consideration, Liability for Payments to Option Holder, Current

+ References

No definition available.

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- Definition

Business Combination, Contingent Consideration, Liability for Payments to Option Holder, Noncurrent

+ References

No definition available.

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- Definition

Debt Security, Interest Rate, Stated Percentage

+ References

No definition available.

+ Details

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- Definition

Fair Value, Discount Amount, Available for sales securities

+ References

No definition available.

+ Details

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- Definition

Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage

+ References

No definition available.

+ Details

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- Definition

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 25
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=75030427&loc=d3e22054-111558

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26610-111562

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- Definition

Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-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 (Narrative) (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 20, 2011	Dec. 31, 2017	Dec. 31, 2016	Aug. 16, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment available for sale		$ 17,300	$ 16,800
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage			18.50%
Available-for-sale securities, current portion		500	$ 400
Fair Value, Discount Amount, Available for sales securities		$ 2,900	3,100
Payment to option holder, percentage of EBITDA		1.00%
Contingent consideration, liability for payments to option holder, current		$ 800	900
Contingent consideration, liability for payments to option holder, noncurrent		2,100	2,200
Fair Value, Measurements, Recurring
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale securities, gross		20,500
Investment available for sale		$ 17,752	17,259
Debt security, interest rate		7.50%
Fair Value, Measurements, Recurring \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment available for sale		$ 17,752	$ 17,259
Kansas Star
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Payment to option holder, percentage of EBITDA	1.00%
Senior Notes \| 8.375% Senior Notes due 2018 \| Peninsula
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt instrument, stated interest rate				8.375%
Available-for-sale Securities [Member] \| Discount Rate [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage		9.64%	10.30%
Contingent Payments \| Discount Rate [Member] \| Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques, Unobservable Inputs, Rate, Percentage		9.16%