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Acquisitions - Additional Information (Detail) $ in Thousands |  |  |  | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Aug. 20, 2021 USD ($) shares | May 07, 2021 USD ($) Location shares | Apr. 09, 2021 USD ($) Location | Sep. 30, 2021 USD ($) | Dec. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Goodwill |  |  |  | $ 432,514 | $ 412,486
ACME Refrigeration LLC [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of locations in which the company operates | Location |  | 18 |  |  |
Cash consideration for Business Acquisition |  | $ 18,051 |  |  |
Fair value of equity shares issued or issuable |  | $ 2,551 |  | 2,551 |
Stock issued for acquisition | shares |  | 8,492 |  |  |
Businees acquisition total identifiable goodwill and intangibles |  | $ 3,710 |  |  |
Businesss acquistion goodwill expected period of tax deduction |  | 15 years |  |  |
Business combination consideration transferred liabilities incurred |  | $ 3,141 |  |  |
Business acquistion total consideration |  | 22,855 |  |  |
Cash acquired from acquisition |  | 1,340 |  |  |
Intangible assets acquired |  | 2,124 |  |  |
ACME Refrigeration LLC [Member] | Trade Names and Distribution Rights [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Indefinite-lived intangible assets acquired |  | $ 1,508 |  |  |
ACME Refrigeration LLC [Member] | Customer Relationships [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortization period |  | 18 years |  |  |
Finite lived intangible assets acquired |  | $ 616 |  |  |
TEC Distribution LLC [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of locations in which the company operates | Location |  |  | 32 |  |
Cash consideration for Business Acquisition |  |  | $ 105,200 |  |
Businees acquisition total identifiable goodwill and intangibles |  |  | $ 37,352 |  |
Businesss acquistion goodwill expected period of tax deduction |  |  | 15 years |  |
Intangible assets acquired |  |  | $ 19,900 |  |
TEC Distribution LLC [Member] | Trade Names and Distribution Rights [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Indefinite-lived intangible assets acquired |  |  | $ 15,700 |  |
TEC Distribution LLC [Member] | Customer Relationships [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Amortization period |  |  | 18 years |  |
Finite lived intangible assets acquired |  |  | $ 4,200 |  |
TEC Distribution LLC [Member] | Carrier Global Corporation [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration for Business Acquisition |  |  | $ 21,040 |  |
Ownership percentage, by non-controlling owners |  |  | 20.00% |  |
TEC Distribution LLC [Member] | Watsco, Inc. [member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration for Business Acquisition |  |  | $ 84,160 |  |
Ownership percentage by parent |  |  | 80.00% |  |
Repayment of indebtedness for Business Acquisition |  |  | $ 1,497 |  |
Makdad Industrial Supply Co Inc [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration for Business Acquisition | $ 3,117 |  |  |  |
Fair value of equity shares issued or issuable | $ 997 |  |  | $ 997 |
Stock issued for acquisition | shares | 3,627 |  |  |  |
Businesss acquistion goodwill expected period of tax deduction | 15 years |  |  |  |
Cash acquired from acquisition | $ 204 |  |  |  |
Goodwill | $ 981 |  |  |  |

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