Document and Entity Information [Abstract]. Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Document Fiscal Period Focus Entity Common Stock, Shares Outstanding Condensed Consolidated Balance Sheets [Abstract] Assets Abstract Assets ASSETS Cash and cash equivalents Cash and cash equivalents, end of period Cash and cash equivalents, beginning of period Cash and Cash Equivalents, at Carrying Value, Total Accounts Receivable, Gross, Current Trade accounts receivable Due from Related Parties, Current Due from Related Parties, Current, Total Due from parent Inventories Inventory, Net, Total Other current assets Assets, Current Total current assets Property, plant and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investment in limited partnership Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures, Total Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. This includes patents and technology licenses. Intangible Assets Net Intangible assets, net Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. This balance is made up of deferred costs, including debt issuance costs and deferred turnaround costs. Other Non Current Assets Other assets Assets Total assets LIABILITIES AND EQUITY Accounts payable Accounts Payable, Current, Total Accrued liabilities Accrued Liabilities, Current, Total Liabilities, Current Total current liabilities Long-term debtLong-term Debt, Excluding Current Maturities, Total Long-term debt Long-term Debt, Excluding Current Maturities, Total Deferred income taxes Liabilities Total liabilities Commitments And Contingencies 2009 Commitments and contingencies Stockholders' and members' equity: Common stock, $0.01 par value, 25,000,000 authorized and 18,433,043 shares issued and 18,255,698 shares outstanding Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common stock, $0.01 par value, 25,000,000 authorized and 15,813,497 and 16,379,803 issued and 15,636,152 and 16,202,458 shares outstanding, respectively Common Stock, Value, Issued, Total Additional Paid in Capital, Common Stock Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional paid-in capital Retained Earnings Accumulated Deficit Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Accumulated earnings Retained Earnings (Accumulated Deficit), Total Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Treasury stock, at cost, 177,345 shares Treasury stock, at cost, 177,345 shares Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Stockholders' Equity Attributable to Parent Balances, value Balances, value Stockholders' equity Please provide custom definition. Members' equity Balances, value, members equity Balances, value, members equity Liabilities And Stockholders Equity Liabilities and Stockholders' Equity Total liabilities and equity Common stock, par value Common stock, shares authorized Common stock, shares issued Common Stock, Shares, Issued, Total Common stock, shares outstanding Balances, shares Balances, shares Treasury stock, shares Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Condensed Consolidated Statements Of Operations And Comprehensive Income [Abstract] Sales Revenue, Goods, Net Revenue Sales Revenue, Goods, Net, Total Cost of sales reflects variable production and distribution costs including raw materials and related inbound freight, energy, catalyst and chemicals used in the manufacturing process, waste disposal and outbound product distribution costs. Manufacturing and related operating overhead expenses, excluding depreciation and amortization, are included in operating expenses. Cost Of Sales Cost of sales (excludes items listed below) Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales. Includes Selling Expense but excludes General and Administrative Expenses. Operating Expense Operating expenses General and administrative expenses General and Administrative Expense, Total The current period expense charged against earnings on all long-lived, physical assets which are not intended for resale to allocate or recognize the cost of such assets over their useful lives. Also includes the aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, depreciation and amortization is added back to net income when calculating cash provided by (used in) operations using the indirect method. Depreciation And Amortization Expenses Depreciation and amortization Lower-of-cost-or-market adjustment. Lower-of-Cost-or-Market Adjustment Lower-of-cost-or-market adjustment Income from operations Income from operations Other (income) expense: Interest expense, net Interest expense, net Interest Expense, Total The increases (decreases) in the market value of interest rate swap derivative instruments, which are included in earnings in the period. Unrealized Gain On Derivatives Unrealized gain on derivatives Unrealized gain on derivatives Unrealized gain on derivatives Other Non operating Income Expense Other, net Other, net Other Nonoperating Income (Expense), Total Income before income taxes Income before income taxes Income tax expense Income Tax Expense (Benefit), Total Net Income Loss Net income Net income Net income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent, Total Earnings Per Share - TPCGI [Abstract] Earnings per share: Basic Earnings Per Share, Basic, Total Earnings Per Share, Basic, Total Earnings Per Share Diluted Diluted Earnings Per Share, Diluted, Total Weighted average shares outstanding: Weighted Average Number Of Shares Outstanding Basic Basic Weighted Average Number of Shares Outstanding, Basic, Total Diluted Diluted Weighted Average Number of Shares Outstanding, Diluted, Total Condensed Consolidated Statement Of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Common Stock [Member] Additional Paid-In Capital [Member] Accumulated Earnings [Member] Accumulated Other Comprehensive Income [Member] Treasury Stock At Cost [Member] Stock Issued During Period, Shares, Stock Options Exercised Exercise of stock options, shares Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options, value Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total Vesting of restricted stock, shares Stock compensation expense Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Stock Repurchased and Retired During Period, Shares Stock purchased and retired, shares Stock Repurchased and Retired During Period, Value Stock purchased and retired, value Cash Dividends Paid to Parent Company Capital distributions to parent Cash Dividends Paid to Parent Company, Total Condensed Consolidated Statements Of Cash Flows [Abstract] Net cash used in operating activities Cash flows from operating activities Net cash used in operating activities Capital expenditures Cash used in investing activites Cash used in investing activities (capital expenditures) Capital expenditures Cash flows from financing activities: Repayments on term loan borrowings Repayments on Term Loan Repayments on term loan borrowings Net proceeds from revolving credit facility borrowings Net payments on Revolving Credit Facility borrowings Proceeds from Lines of Credit, Total Cash outflow for repayment of financing property and casualty insurance premiums. Payments on insurance debt Payments on insurance debt Debt issuance costs Debt issuance costs Proceeds from Stock Options Exercised Exercise of stock options Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Tax benefit windfall from share-based compensation arrangements Tax benefit windfall from share-based compensation arrangements Payments for Repurchase of Common Stock Purchase of common stock Purchase of common stock Net cash (used in) provided by financing activities Cash used in financing activities Decrease in cash and cash equivalents (Decrease) increase in cash and cash equivalents Basis Of Presentation (Abstract) Basis Of Presentation [Abstract] The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). Business Description And Basis Of Presentation [TextBlock] Basis Of Presentation Description Of Business (Abstract) Description Of Business [Abstract] Nature O fOperations Description Of Business Detail And Discussion Of Certain Consolidated Balance Sheet Captions [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Detail And Discussion Of Certain Consolidated Balance Sheet Captions Discussion Of Certain Consolidated Statement Of Operations And Comprehensive Income Captions [Abstract] Supplemental income statement disclosures [TextBlock]. Supplemental Income Statement Disclosures [TextBlock] Discussion Of Certain Consolidated Statement Of Operations And Comprehensive Income Captions Adopton Of Recent Accounting Pronouncements [Abstract] Schedule Of New Accounting Pronouncements And Changes In Accounting Principles Text Block Adopton Of Recent Accounting Pronouncements Debt [Abstract] Debt Disclosure [Text Block] Debt Fair value and derivative financial instruments [Abstract]. Fair Value and Derivative Financial Instruments [Abstract] This footnote provides information about our accounting for derivative financial instruments and provides details of gains and losses recognized in our Consolidated Statements of Operations for the periods presented. Fair Value And Derivative Financial Instruments Disclosure Text Block Fair Value And Derivative Financial Instruments Distributions To Parent - TPCGLLC [Abstract] Distributions To Parent - TPCGLLC [Abstract] Distribution to parent. Distribution to Parent Disclosure [Text Block] Distributions To Parent - TPCGLLC Purchase Of Shares Under Stock Repurchase Program [Abstract] Purchase Of Shares Under Stock Repurchase Program Purchase Of Shares Under Stock Repurchase Program [Text Block] Purchase Of Shares Under Stock Repurchase Program Earnings Per Share Text Block Earnings Per Share - TPCGI Income Taxes [Abstract] Income Tax Disclosure Text Block Income Taxes Commitments And Contingencies [Abstract] Commitments And Contingencies [Abstract] Commitments And Contingencies Disclosure TextBlock Commitments And Contingencies Defined Benefit Pension Plan [Abstract] Pension And Other Postretirement Benefits Disclosure Text Block Defined Benefit Pension Plan Segment Information [Abstract] Segment Reporting Disclosure Text Block Segment Information Subsequent Events [Abstract] Schedule Of Subsequent Events Tex tBlock Subsequent Events Supplemental guarantor information [Abstract]. Supplemental Guarantor Information [Abstract] Supplemental guarantor information. Supplemental Guarantor Information Disclisore [Textblock] Supplemental Guarantor Information Legal Entity [Axis] Entity [Domain] TPCGLLC [Member] Equity Component [Domain]