Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Assets:
Cash and cash equivalents	$ 72,521	$ 51,536
Receivables, net	38,769	32,473
Inventories, net	24,882	25,239
Prepaid and other current assets	11,267	7,485
Total current assets	147,439	116,733
Property, plant and equipment, net	294,003	307,838
Customer relationships and other intangibles, net	70,807	81,555
Goodwill	119,945	119,945
Equity method investment	9,263	8,020
Debt issuance costs	477	658
Total Assets	641,934	634,749
Liabilities:
Accounts payable	30,809	27,411
Accrued and other liabilities	11,940	12,321
Notes payable, current portion	1,702	1,742
Total current liabilities	44,451	41,474
Deferred taxes and other long-term liabilities	15,847	19,643
Notes payable, non-current portion	263,610	264,620
Total Liabilities	323,908	325,737
Equity:
Undesignated preferred stock, par value $0.001 per share; 10,000,000 shares authorized, no shares issued and outstanding	0	0
Common stock, $0.001 par value per share; 190,000,000 shares authorized; 44,321,776 and 44,191,370 shares issued and 37,532,959 and 39,691,715 shares outstanding as of December 31, 2017 and 2016, respectively	44	44
Additional paid-in capital	325,391	322,384
Less: Treasury stock	(143,357)	(88,756)
Accumulated other comprehensive loss	(2,649)	(3,409)
Accumulated earnings	138,597	78,749
Total Equity	318,026	309,012
Total Liabilities and Equity	$ 641,934	$ 634,749