Debt, Capital Leases and Royalty Obligation (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
Minimum Debt Repayments
2013	$ 117,856
2014	64,278
2015	64,888
2016	56,602
2017	0
Thereafter	0
Total	303,624
Debt discount	(48,560)
Present value of net scheduled lease payments (See Note I)	11,362
Total	$ 266,426

Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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