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on Variable Rate Debt Instrument, Increase (Decrease) In Basis Spread on Variable Rate Interest rate (as of) Debt Instrument, Interest Rate During Period Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Non-NEOs Non-NEOs [Member] Construction-in-progress Construction in Progress [Member] Redemption of LLC Interests in connection with the secondary offering (in shares) Stock Redeemed or Called During Period, Shares CASH FLOWS FROM FINANCING ACTIVITIES: Net Cash Provided by (Used in) Financing Activities [Abstract] Non-PEO NEO Non-PEO NEO [Member] Adjustment to Compensation: Adjustment to Compensation [Axis] Net operating loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Debt Instrument [Line Items] Debt Instrument [Line Items] Basic (in shares) Weighted average number of common shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Conversion ratio Common Stock, Convertible, Conversion Ratio Common Stock, Convertible, Conversion Ratio Changes in operating assets and liabilities: Increase (Decrease) in Other Operating Assets and Liabilities, Net [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Statement [Line Items] Statement [Line Items] Vested and expected to vest, end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Contingent rentals Operating Leases, Rent Expense, Contingent Rentals Berkshire Partners L L C Berkshire Partners L L C [Member] Berkshire Partners L L C Three-Month Secured Overnight Financing Rate Three-Month Secured Overnight Financing Rate [Member] Three-Month Secured Overnight Financing Rate Non-controlling interest Noncontrolling Interest [Member] Accounting Standards Update 2016-02 [Member]