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Debt (Details Narrative) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 23, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Borrowings under guaranteed investment agreements		$ 226,922		$ 226,922		$ 199,597
Debt instrument, term	5 years
Debt, weighted average interest rate		7.70%		7.70%
Senior unsecured notes	$ 210,000	$ 210,000		$ 210,000
Unsecured notes coupon rate	8.20%
Proceeds to repay outstanding indebtedness	$ 182,189
Repayment of debt	$ 59,444
Loss on extinguishment of debt		(2)		(3,161)
Line of Credit [Member]
Debt instrument, collateral amount		3,439		3,439		109,193
Property, Plant and Equipment [Member]
Debt instrument, collateral amount		0		0		8,366
Other Long Term Assets [Member]
Debt instrument, collateral amount		$ 4,839		$ 4,839		$ 4,757
Minimum [Member]
Debt instrument, term				12 months
Percentage of debt instrument, interest rate		2.90%		2.90%
Maximum [Member]
Debt instrument, term				15 years
Percentage of debt instrument, interest rate		8.20%		8.20%

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- Definition

Unsecured notes coupon rate.

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- Definition

Amount of assets pledged to secure a debt instrument.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (d)
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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Topic 210
-SubTopic 10
-Section S99
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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Weighted average interest rate of debt outstanding.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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