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Fair Values of the Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020 | Aug. 02, 2019
--- | --- | --- | --- | ---
Business Acquisition [Line Items] |  |  |  |
Inventories |  | $ 28,568 |  |
Property, Plant, and Equipment |  | 476,698 |  |
Intangible Assets |  | 38,300 |  |
Total Net Assets |  | 539,810 |  |
Goodwill | $ 329,137 | 129,127 | $ 331,592 |
Total Estimated Purchase Price |  | $ 668,937 |  |
ConAgg Acquisition [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Accounts Receivable |  |  |  | $ 6,302
Inventories |  |  |  | 1,921
Property, Plant, and Equipment |  |  |  | 22,620
Intangible Assets |  |  |  | 1,320
Lease Right-of-Use Assets |  |  |  | 3,263
Other Assets |  |  |  | 10
Lease Obligations |  |  |  | (3,263)
Accounts Payable and Accrued Expenses |  |  |  | (3,388)
Total Net Assets |  |  |  | 28,785
Goodwill |  |  |  | 1,639
Total Estimated Purchase Price |  |  |  | $ 30,424

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121647850&loc=d3e4845-128472 + Details
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