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Business Combinations - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Detail) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Business Acquisition [Line Items] |  |
Accounts receivable | $ 4,218 | $ 1,796
Inventories | 615 | 1,014
Other current assets | 575 |
Property and equipment | 949 | 1,224
Intangibles | 6,926 | 10,122
Goodwill | 4,733 | 10,402
Other non-current assets | 74 | 161
Accounts payable and other current liabilities | (1,262) | (81)
Deferred income tax liabilities | (35) |
Other long-term liabilities | (131) |
Fair value of assets acquired and purchase price | 16,662 | 24,638
Less fair value of common stock issued |  | 3,348
Less seller obligations | 4,037 | 3,348
Cash paid | 12,625 | 21,290
Royals [Member] |  |
Business Acquisition [Line Items] |  |
Accounts receivable | 2,848 |
Inventories | 305 |
Other current assets | 430 |
Property and equipment | 598 |
Intangibles | 3,930 |
Goodwill | 3,015 |
Other non-current assets | 58 |
Accounts payable and other current liabilities | (1,059) |
Deferred income tax liabilities | (35) |
Fair value of assets acquired and purchase price | 10,090 |
Less seller obligations | 2,500 |
Cash paid | 7,590 |
First State Insulation [Member] |  |
Business Acquisition [Line Items] |  |
Inventories |  | 291
Property and equipment |  | 989
Intangibles |  | 3,382
Goodwill |  | 1,857
Accounts payable and other current liabilities |  | (39)
Fair value of assets acquired and purchase price |  | 6,480
Less seller obligations |  | 1,355
Cash paid |  | 5,125
Other Acquisition [Member] |  |
Business Acquisition [Line Items] |  |
Accounts receivable | 1,370 |
Inventories | 310 |
Other current assets | 145 |
Property and equipment | 351 |
Intangibles | 2,996 |
Goodwill | 1,718 |
Other non-current assets | 16 |
Accounts payable and other current liabilities | (203) |
Other long-term liabilities | (131) |
Fair value of assets acquired and purchase price | 6,572 |
Less seller obligations | 1,537 |
Cash paid | $ 5,035 |
Expert Insulation [Member] |  |
Business Acquisition [Line Items] |  |
Accounts receivable |  | 1,796
Inventories |  | 723
Property and equipment |  | 235
Intangibles |  | 6,740
Goodwill |  | 8,545
Other non-current assets |  | 161
Accounts payable and other current liabilities |  | (42)
Fair value of assets acquired and purchase price |  | 18,158
Less seller obligations |  | 1,993
Cash paid |  | $ 16,165

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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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