Redemption price per $1,000 of principal.

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- Definition

Line of Credit Facility, Additional Borrowing Capacity

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No definition available.

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Long term debt and capital lease obligation.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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No definition available.

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- Definition

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

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- Definition

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

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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.

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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.

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- Definition

Percentage of principal amount of debt redeemed.

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No definition available.

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- Definition

Fair value amount of debt instrument that was repurchased.

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No definition available.

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- Definition

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.

+ References

No definition available.

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- Definition

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

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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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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

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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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

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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.

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Debt (Details Textual) - USD ($)		1 Months Ended		3 Months Ended		9 Months Ended
Debt (Details Textual) - USD ($)	Oct. 12, 2017	Sep. 30, 2017	May 31, 2017	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Debt Instrument [Line Items]
Gain (Loss) on Extinguishment of Debt				$ 0	$ 10,040,000	$ 9,342,000	$ 10,040,000
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		$ 12,000,000
Line of Credit Facility, Interest Rate at Period End		6.00%		6.00%		6.00%
Senior Notes due 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Unamortized Discount (Premium), Net		$ 5,100,000		$ 5,100,000		$ 5,100,000
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		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		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		59,900,000
Debt Instrument, Redemption Price, Per $1,000 Principal		1,039.38		1,039.38		1,039.38
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		200,000,000.0		200,000,000.0		200,000,000.0
Line of Credit Facility, Additional Borrowing Capacity		$ 50,000,000.0		50,000,000.0		50,000,000.0
Debt Instrument, Term		4 years
Line of Credit Facility, Current Borrowing Capacity		$ 200,000,000		200,000,000		200,000,000
Debt Issuance Costs, Net		$ 1,800,000		$ 1,800,000		$ 1,800,000
Base Rate [Member] \| Minimum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.00%		1.00%		1.00%
Base Rate [Member] \| Maximum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		1.75%		1.75%		1.75%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		2.00%		2.00%		2.00%
London Interbank Offered Rate (LIBOR) [Member] \| Maximum [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage		2.75%		2.75%		2.75%
Subsequent Event [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.49%
Debt Instrument, Basis Spread on Variable Rate	2.25%
Debt and capital lease obligations (Textual) [Abstract]
Line of credit facility, fair value of amount outstanding	$ 100,000,000.0000000000