Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets:
Cash and cash equivalents	$ 15,726	$ 14,729
Receivables, net	37,810	35,812
Inventories	26,199	27,080
Prepaid and other current assets	6,897	6,448
Total current assets	86,632	84,069
Property, plant and equipment, net	312,122	326,407
Customer relationships and other intangibles, net	88,500	94,835
Goodwill	119,945	119,945
Equity method investment	8,696	9,262
Debt issuance costs	315	450
Total Assets	616,210	634,968
Liabilities:
Accounts payable	22,799	22,788
Accrued and other liabilities	11,585	12,334
Total current liabilities	34,384	35,122
Deferred taxes and other long-term liabilities	12,514	12,537
Notes payable, non-current portion	262,616	286,543
Total liabilities	309,514	334,202
Equity:
Undesignated preferred stock, par value $0.001 per share; 10,000,000 shares authorized, no shares issued and outstanding at June 30, 2016 and December 31, 2015	0	0
Common stock, $0.001 par value per share; 190,000,000 shares authorized; 44,191,370 and 44,145,080 shares issued at June 30, 2016 and December 31, 2015, respectively; 40,513,182 and 41,750,031 shares outstanding at June 30, 2016 and December 31, 2015, respectively	44	44
Additional paid-in capital	321,250	319,817
Less: Treasury stock	(70,489)	(48,479)
Accumulated other comprehensive loss	(4,057)	(5,341)
Accumulated earnings	59,948	34,725
Total equity	306,696	300,766
Total liabilities and equity	$ 616,210	$ 634,968

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.