Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Carrying Amount Reported Value Measurement [Member] Total Fair Value Estimate of Fair Value Measurement [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Quoted Prices in Active Markets for Identical Assets (Level 1) Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) Fair Value, Inputs, Level 3 [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Senior secured notes Notes Payable, Fair Value Disclosure Earnings Per Share [Abstract] Antidilutive securities excluded from computation of weighted average common shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Other Liabilities Disclosure [Abstract] Other Current Liabilities Other Liabilities Disclosure [Text Block] Accounting Policies [Abstract] Reclassification from accumulated other comprehensive income to retained earnings Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Reclassification from Accumulated Other Comprehensive Income to Retained earnings Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Reclassification from Accumulated Other Comprehensive Income to Retained earnings Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Fair Value, Measurements, Recurring Fair Value, Measurements, Recurring [Member] Quoted Prices in Active Markets for Identical Assets (Level 1) Significant Other Observable Inputs (Level 2) Significant Unobservable Inputs (Level 3) Non-current liabilities Fair Value, Net Asset (Liability) [Abstract] Derivative Liability Derivative Liability Derivative asset Derivative Asset (Loss) Earnings Per Share Earnings Per Share [Text Block] Commitments and Contingencies Disclosure [Abstract] Contingencies Contingencies Disclosure [Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule of Carrying Amount and Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Series of Individually Immaterial Business Acquisitions Series of Individually Immaterial Business Acquisitions [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Assets acquired: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets [Abstract] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Other receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Inventories Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid and other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Goodwill Goodwill Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Liabilities assumed: Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities [Abstract] Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Accrued expenses and other current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses and Other Current Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses and Other Current Liabilities Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Total net assets acquired Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Trade names Trade Names [Member] Customer relationships Customer Relationships [Member] Other intangible assets Other Intangible Assets [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Net Carrying Amount Finite-Lived Intangible Assets, Net Income Tax Disclosure [Abstract] Effective income tax rates (in percentage) Effective Income Tax Rate Reconciliation, Percent Repricing of deferred tax balance Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Change in Tax Rate, Deferred Tax Liability, Provisional Income Tax (Expense) Benefit Provisional income tax payable Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Provisional income tax expense Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Provisional Liability Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Transition Tax For Accumulated Foreign Earnings, Provisional Liability Accrued expenses Accrued Liabilities, Current Accrued interest Interest Payable, Current Accrued other Other Accrued Liabilities, Current Total other current liabilities Other Liabilities, Current Goodwill [Roll Forward] Goodwill [Roll Forward] Beginning balance Goodwill acquired Goodwill, Acquired During Period Purchase price allocation adjustments Goodwill, Purchase Accounting Adjustments, Prior Period Goodwill, Purchase Accounting Adjustments, Prior Period Impact of foreign exchange rates Goodwill, Foreign Currency Translation Gain (Loss) Ending balance Segment Reporting [Abstract] Revenue from External Customers by Products and Services [Table] Revenue from External Customers by Products and Services [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] SBP Specialty Building Products [Member] Specialty Building Products [Member] Mechanical Insulation Mechanical Insulation [Member] Mechanical Insulation [Member] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Wallboard Wallboard [Member] Wallboard [Member] Suspended ceiling systems Suspended Ceiling Systems [Member] Suspended Ceiling Systems [Member] Metal framing Metal Framing [Member] Metal Framing [Member] Complementary and other products Complementary and Other Products [Member] Complementary and Other Products [Member] Revenue from External Customer [Line Items] Revenue from External Customer [Line Items] Net sales Revenue, Net Percentage of Net Sales Percentage of Revenue, Net Percentage of Revenue, Net Change in Net Sales Change in Revenue, Net Change in Revenue, Net Percentage Change in Net Sales Percentage Change in Revenue, Net Percentage Change in Revenue, Net Gross Profit Gross Profit Change in Gross Profit Change in Gross Profit Change in Gross Profit Percentage Change in Gross Profit Percentage Change in Gross Profit Percentage Change in Gross Profit Gross Margin Percentage Gross Margin Percentage Gross Margin Percentage Percentage Change in Gross Margin Percentage Change in Gross Margin Percentage Change in Gross Margin Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Senior Notes Senior Notes [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Senior Secured Notes Due 2021 Senior Secured Notes Due 2021 [Member] Senior Secured Notes Due 2021 [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign Exchange Contract Foreign Exchange Contract [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Other Operating Income (Expense) Other Operating Income (Expense) [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Noncurrent Liabilities Other Noncurrent Liabilities [Member] Derivative [Line Items] Derivative [Line Items] Notional foreign exchange contract outstanding Derivative, Notional Amount Fair value asset of derivative instrument Derivative Asset, Fair Value, Gross Asset Net of tax effect on unrealized loss on derivatives Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Portion Attributable to Parent Loss recognized in other comprehensive income (loss) Derivative Instruments, Gain Recognized in Other Comprehensive Income (Loss), Effective Portion Ineffective portion of loss Derivative Instruments, Loss Recognized in Income, Ineffective Portion and Amount Excluded from Effectiveness Testing Periodic payment Debt Instrument, Periodic Payment Percentage of option to prepay principal amount (equal to) Derivative Instruments, Percentage Of Option To Prepay Principal Amount Derivative Instruments, Percentage of Option to Prepay Principal Amount Percentage of option to prepay in equity offerings (up to) Derivative Instruments, Percentage Of Option To Prepay In Equity Offerings Derivative Instruments, Percentage of Option to Prepay in Equity Offerings Period of option to prepay using proceeds from equity offering Derivative Instrument, Period Of Option To Prepay Using Proceeds From Equity Offering Derivative Instrument, Period of Option to Prepay Using Proceeds from Equity Offering Percentage of principal amount outstanding Derivative Instruments, Percentage Of Principal Amount Outstanding Derivative Instruments, Percentage of Principal Amount Outstanding Redemption price percentage Debt Instrument, Redemption Price, Percentage Fair value of embedded derivative liability Embedded Derivative, Fair Value of Embedded Derivative Liability Change in fair value in amount included as other income (expense) Embedded Derivative, Gain (Loss) on Embedded Derivative, Net Statement of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Accounts receivable—net of allowance for doubtful accounts of $4,870 and $4,651, respectively Accounts Receivable, Net, Current Other receivables Accounts and Other Receivables, Net, Current Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property and equipment, net Property, Plant and Equipment, Net Intangible assets, net Goodwill Other assets Other Assets, Noncurrent Total assets Assets Liabilities and stockholders' equity Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued payroll and employee benefits Employee-related Liabilities, Current Accrued taxes Accrued Income Taxes, Current Tax receivable agreement Tax Receivable Agreement Tax Receivable Agreement Other current liabilities Total current liabilities Liabilities, Current Asset-based revolving credit facility Long-term Line of Credit, Noncurrent Long-term portion of notes payable, net Notes Payable, Noncurrent Tax receivable agreement Tax Receivable Agreement, Noncurrent Liabilities Tax Receivable Agreement, Noncurrent Liabilities Deferred income taxes, net Deferred Tax Liabilities, Net, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Stockholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, $0.001 par value, authorized 10,000,000 shares; 0 shares issued Preferred Stock, Value, Issued Common stock, $0.001 par value, authorized 190,000,000 shares; 42,891,252 and 42,865,407 shares issued, respectively Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Retained earnings Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Goodwill and Intangible Assets Goodwill Disclosure [Text Block] Number of reportable segments Number of Reportable Segments Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Canada CANADA Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Property, plant and equipment, net Intangibles, net Intangible Assets, Net (Excluding Goodwill) MI Gross Profit Total operating expenses Operating Expenses Interest expense Interest Expense Other income, net Other Nonoperating Income (Expense) (Loss) income before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Equity [Abstract] Accumulated Other Comprehensive Income Comprehensive Income (Loss) Note [Text Block] Tax Receivable Agreement Liability Income Tax Disclosure [Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Recently Issued Accounting Standards Significant Accounting Policies [Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] Business and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Debt Disclosure [Abstract] Line of Credit Facility [Table] Line of Credit Facility [Table] Senior secured notes Revolving asset-based credit facility Line of Credit [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Revolving Credit Facility Revolving Credit Facility [Member] Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] Senior secured notes Long-term Debt, Gross Unamortized debt issuance costs Debt Issuance Costs, Net Long-term debt Long-term Debt Schedule of Accumulated Other Comprehensive Income Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Accounts receivable net of allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Preferred stock par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock shares issued (in shares) Preferred Stock, Shares Issued Preferred stock shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock shares authorized (in shares) Common Stock, Shares Authorized Common stock shares issued (in shares) Common Stock, Shares, Issued Common stock shares outstanding (in shares) Common Stock, Shares, Outstanding Weighted average shares used in basic computations (in shares) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of stock options and restricted stock units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted average shares used in diluted computations (in shares) Weighted Average Number of Shares Outstanding, Diluted Schedule of Reconciliation of Operating Profit (Loss) from Segments to Consolidated Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Segment Reporting Information, by Segment Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Revenue from External Customers by Products and Services Revenue from External Customers by Products and Services [Table Text Block] Income Taxes Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] U.S. and Canada U.S. and Canada [Member] U.S. and Canada [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent 2 Subsidiaries [Member] Sale of Stock [Axis] Sale of Stock [Axis] Sale of Stock [Domain] Sale of Stock [Domain] IPO IPO [Member] Over-Allotment Option Over-Allotment Option [Member] Class of Stock [Line Items] Class of Stock [Line Items] Number of employees (more than) Entity Number of Employees Number of branch locations (more than) Number of Branch Locations Number of Branch Locations Options exercised by underwriters to purchase additional shares (in shares) Sale of Stock, Number of Shares Issued in Transaction Public offering price of stock (in dollars per share) Sale of Stock, Price Per Share Proceeds from issuance of stock Proceeds from Issuance Initial Public Offering Acquisitions Business Combination Disclosure [Text Block] United States Canada Revenues by geographic areas Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Net (loss) income Net Income (Loss) Attributable to Parent Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Depreciation Depreciation Amortization of intangible assets Amortization of Intangible Assets Amortization of debt issuance costs and debt discount Amortization of Debt Issuance Costs and Discounts Inventory fair value purchase accounting adjustment Inventory Write-down Provision for doubtful accounts Provision for Doubtful Accounts Stock-based compensation Share-based Compensation Unrealized gain on derivative instruments, net Unrealized Gain (Loss) on Derivatives Loss on disposal of property and equipment Gain (Loss) on Disposition of Property Plant Equipment Deferred income taxes Deferred Income Tax Expense (Benefit) Change in assets and liabilities, net of effects of acquisitions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Other receivables Increase (Decrease) in Other Receivables Inventories Increase (Decrease) in Inventories Prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Other assets Increase (Decrease) in Other Noncurrent Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued payroll and employee benefits Increase (Decrease) in Employee Related Liabilities Accrued taxes Increase (Decrease) in Accrued Taxes Payable Other liabilities Increase (Decrease) in Other Noncurrent Liabilities Net cash (used in) provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Payment of net working capital adjustments Payments for Net Working Capital Adjustments Payments for Net Working Capital Adjustments Proceeds from net working capital adjustments Proceeds From Net Working Capital Adjustments Proceeds From Net Working Capital Adjustments Proceeds from the disposal of fixed assets Proceeds from Sale of Property, Plant, and Equipment Acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Net cash used in investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from asset-based revolving credit facility Proceeds From Asset-Based Credit Facility Proceeds From Asset-Based Credit Facility Repayments of asset-based revolving credit facility Repayments of Senior Debt Tax withholding payment related to net settlement of equity awards Payments of Debt Issuance Costs Principal repayment of capital lease obligations Repayments of Long-term Capital Lease Obligations Issuance of common stock Proceeds from (Payments for) Other Financing Activities Capital contributions Proceeds from Contributed Capital Net cash provided by (used in) financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash Effect of Exchange Rate on Cash and Cash Equivalents Net decrease in cash Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Supplemental disclosures of cash flow information: Supplemental Cash Flow Information [Abstract] Cash paid during the period for income taxes Income Taxes Paid Cash paid during the period for interest Interest Paid Supplemental disclosures of non-cash investing and financing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Change in fair value of derivatives, net of tax Increase (Decrease) In Fair Value Of Interest Rate Swaps Net Increase (Decrease) In Fair Value Of Interest Rate Swaps Net Assets acquired under capital lease Capital Lease Obligations Incurred Goodwill adjustment for purchase price allocation Goodwill, Purchase Accounting Adjustments Tax receivable agreement Increase (Decrease) in Tax Receivable Agreement Increase (Decrease) in Tax Receivable Agreement Schedule of Other Current Liabilities Other Current Liabilities [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Letter of Credit Letter of Credit [Member] Line of Credit Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Eurodollar Eurodollar [Member] Base Rate Base Rate [Member] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Axis] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Period [Domain] Debt Instrument, Redemption, Due Before August 15, 2018 Debt Instrument, Redemption, Due Before August 15, 2018 [Member] Debt Instrument, Redemption, Due Before August 15, 2018 [Member] Debt Instrument, Redemption, Period One Due Before August 15, 2018 Debt Instrument, Redemption, Period One [Member] Debt Instrument, Redemption, Period Two Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Change of Control, Period Debt Instrument, Change of Control, Period [Member] Debt Instrument, Change of Control, Period [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Principal amount of debt Debt Instrument, Face Amount Interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Interest rate during period Line of Credit Facility, Percentage of Principal Amount of Notes In Private Placement Line of Credit Facility, Percentage of Principal Amount of Notes In Private Placement Margin rate, percentage Debt Instrument, Basis Spread on Variable Rate Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Fronting fee Debt Instrument, Fronting Fee Percentage Debt Instrument, Fronting Fee Percentage Additional borrowing capacity Line of Credit Facility, Additional Borrowing Capacity Line of Credit Facility, Additional Borrowing Capacity Outstanding borrowings Line of Credit Facility, Current Borrowing Capacity Available aggregate undrawn borrowing capacity Line of Credit Facility, Available Aggregate Undrawn Borrowing Capacity Line of Credit Facility, Available Aggregate Undrawn Borrowing Capacity Weighted average interest rate during period Line of Credit Facility, Interest Rate During Period Long-Term Debt Long-term Debt [Text Block] Minnesota, North Dakota, South Dakota and Nebraska Minnesota, North Dakota, South Dakota and Nebraska [Member] Minnesota, North Dakota, South Dakota and Nebraska [Member] Wentzville and Herculaneum, Missouri Wentzville and Herculaneum, Missouri [Member] Wentzville and Herculaneum, Missouri [Member] ArmCom Distributing Company ArmCom Distributing Company [Member] ArmCom Distributing Company [Member] R M Supply, Inc. R M Supply, Inc. [Member] R M Supply, Inc. [Member] Number of branch locations Purchase price of acquisitions Business Combination, Consideration Transferred Income Statement [Abstract] Cost of goods sold Cost of Revenue Gross profit Operating expenses: Operating Expenses [Abstract] Selling, general and administrative Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Total operating expenses Income from operations Operating Income (Loss) Interest expense Other income, net Income tax (benefit) expense Income Tax Expense (Benefit) Net (loss) income (Loss) earnings per share data: Basic (in dollars per share) Earnings Per Share, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Weighted average shares outstanding: Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (in shares) Diluted (in shares) Comprehensive (loss) income: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Unrealized gain (loss) on derivative, net of taxes of $0.5 million and $0.3 million, respectively. Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Portion Attributable to Parent Total other comprehensive (loss) income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Total comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Cumulative unrealized foreign currency translation gain (loss) Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unrealized (loss) gain on derivative, net of tax Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] AOCI Attributable to Parent, Net of Tax [Roll Forward] AOCI Attributable to Parent, Net of Tax [Roll Forward] Beginning balance Other comprehensive (loss) income Ending balance Segments Segment Reporting Disclosure [Text Block] Income Tax Contingency [Table] Income Tax Contingency [Table] Current Liability Current Liability [Member] Current Liability [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Reduction in federal, state, local and non-US income taxes (in percentage) Tax Receivable Agreement, Federal, State, Local and Non-US Income Taxes, Percent Tax Receivable Agreement, Federal, State, Local and Non-US Income Taxes, Percent Liability for tax receivable agreement Liability For Tax Receivable Agreement Liability For Tax Receivable Agreement Liability for tax receivable agreement balance Liability For Tax Receivable Agreement Balance Liability For Tax Receivable Agreement Balance Net of tax effect on unrealized (loss) gain on derivatives Schedule of Long-Term Debt Schedule of Long-term Debt Instruments [Table Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Recently Adopted and Issued Accounting Standards New Accounting Pronouncements, Policy [Policy Text Block] Derivatives and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Specialty Building Products Weighted average amortization period Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Document and Entity Information [Abstract] Document and Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Trading Symbol Trading Symbol Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Common Stock Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus