Redemption price per $1,000 of principal.

No definition available.

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- Definition

Long term debt and capital lease obligation.

+ References

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 55
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- Definition

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

+ References

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-Topic 210
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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.

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- Definition

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

+ References

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- Definition

Percentage of principal amount of debt redeemed.

+ References

No definition available.

+ Details

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- Definition

Fair value amount of debt instrument that was repurchased.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

Amount, after accumulated amortization, of debt discount (premium).

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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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- Definition

Fair value of the amount outstanding under the credit facility.

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- Definition

The effective interest rate at the end of the reporting period.

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- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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- Definition

The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

+ References

No definition available.

+ Details

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Debt (Details Textual) - USD ($)	1 Months Ended	3 Months Ended		6 Months Ended
Debt (Details Textual) - USD ($)	May 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt		$ 9,342,000	$ 0	$ 9,342,000	$ 0
Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		7.875%		7.875%		7.875%
Banco Bisa Line of Credit [Member]
Debt and capital lease obligations (Textual) [Abstract]
Line of Credit Facility, Remaining Borrowing Capacity		$ 12,000,000		$ 12,000,000
Line of Credit Facility, Interest Rate at Period End		6.00%		6.00%
Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 5,200,000		$ 5,200,000
Debt Instrument, Face Amount	$ 250,000,000
Proceeds from Debt	$ 245,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.875%
Debt Instrument, Redemption Price, Percentage	100.00%
Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net							$ 2,000,000
Debt Instrument, Repurchase Amount		178,000,000		178,000,000
Gain (Loss) on Extinguishment of Debt		9,300,000
San Bartolome Letter of Credit Facility [Member]
Debt and capital lease obligations (Textual) [Abstract]
Line of Credit Facility, Fair Value of Amount Outstanding		0		0
Debt Instrument, Redemption, Equity Offering [Member] \| Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed	35.00%
Debt Instrument, Redemption Price, Percentage	105.875%
Debt Instrument, Tender [Member] \| Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount	$ 118,100,000
Debt Instrument, Redemption Price, Per $1,000 Principal	$ 1,043.88
Debt Instrument, Redeemed [Member] \| Senior Notes due 2021 [Member]
Debt Instrument [Line Items]
Debt Instrument, Repurchase Amount		59,900,000		59,900,000
Debt Instrument, Redemption Price, Per $1,000 Principal		$ 1,039.38		$ 1,039.38