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Business Combinations - Summary of Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands |  |  |  |  | 1 Months Ended | 6 Months Ended |
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Jun. 07, 2021 | Apr. 20, 2021 | Apr. 13, 2021 | Feb. 29, 2020 | Mar. 31, 2021 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  | $ 249,982 |  | $ 216,870
Less seller obligations |  |  |  |  |  | 12,954 | $ 4,037 |
Cash Paid |  |  |  |  |  | 67,883 | 12,625 |
2021 Acquisitions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 168 |  |
Accounts receivable |  |  |  |  |  | 12,895 |  |
Inventories |  |  |  |  |  | 2,330 |  |
Other current assets |  |  |  |  |  | 3,139 |  |
Property and equipment |  |  |  |  |  | 2,567 |  |
Intangibles |  |  |  |  |  | 40,983 |  |
Goodwill |  |  |  |  |  | 33,087 |  |
Other non-current assets |  |  |  |  |  | 396 |  |
Accounts payable and other current liabilities |  |  |  |  |  | (4,920) |  |
Deferred income tax liabilities |  |  |  |  |  | (6,537) |  |
Long-term debt |  |  |  |  |  | (2,036) |  |
Other long-term liabilities |  |  |  |  |  | (1,235) |  |
Fair value of assets acquired and purchase price |  |  |  |  |  | 80,837 |  |
Less seller obligations |  |  |  |  |  | 12,954 |  |
Cash Paid |  |  |  |  |  | 67,883 |  |
IWI |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 168 |  |
Accounts receivable |  |  |  |  |  | 5,122 |  |
Inventories |  |  |  |  |  | 1,157 |  |
Other current assets |  |  |  |  |  | 2,354 |  |
Property and equipment |  |  |  |  |  | 796 |  |
Intangibles |  |  |  |  |  | 25,200 |  |
Goodwill |  |  |  |  |  | 25,212 |  |
Other non-current assets |  |  |  |  |  | 264 |  |
Accounts payable and other current liabilities |  |  |  |  |  | (3,349) |  |
Deferred income tax liabilities |  |  |  |  |  | (6,537) |  |
Long-term debt |  |  |  |  |  | (2,036) |  |
Other long-term liabilities |  |  |  |  |  | (294) |  |
Fair value of assets acquired and purchase price |  |  |  |  |  | 48,057 |  |
Less seller obligations |  |  |  |  | $ 5,959 | 5,959 |  |
Cash Paid |  |  |  |  | $ 42,098 | 42,098 |  |
Alert |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 0 |  |
Accounts receivable |  |  |  |  |  | 4,706 |  |
Inventories |  |  |  |  |  | 742 |  |
Other current assets |  |  |  |  |  | 738 |  |
Property and equipment |  |  |  |  |  | 693 |  |
Intangibles |  |  |  |  |  | 2,770 |  |
Goodwill |  |  |  |  |  | 967 |  |
Other non-current assets |  |  |  |  |  | 132 |  |
Accounts payable and other current liabilities |  |  |  |  |  | (1,184) |  |
Deferred income tax liabilities |  |  |  |  |  | 0 |  |
Long-term debt |  |  |  |  |  | 0 |  |
Other long-term liabilities |  |  |  |  |  | (734) |  |
Fair value of assets acquired and purchase price |  |  |  |  |  | 8,830 |  |
Less seller obligations |  |  | $ 2,980 |  |  | 2,980 |  |
Cash Paid |  |  | $ 5,850 |  |  | 5,850 |  |
Alpine |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 0 |  |
Accounts receivable |  |  |  |  |  | 0 |  |
Inventories |  |  |  |  |  | 359 |  |
Other current assets |  |  |  |  |  | 0 |  |
Property and equipment |  |  |  |  |  | 726 |  |
Intangibles |  |  |  |  |  | 5,543 |  |
Goodwill |  |  |  |  |  | 3,582 |  |
Other non-current assets |  |  |  |  |  | 0 |  |
Accounts payable and other current liabilities |  |  |  |  |  | (57) |  |
Deferred income tax liabilities |  |  |  |  |  | 0 |  |
Long-term debt |  |  |  |  |  | 0 |  |
Other long-term liabilities |  |  |  |  |  | 0 |  |
Fair value of assets acquired and purchase price |  |  |  |  |  | 10,153 |  |
Less seller obligations |  | $ 2,208 |  |  |  | 2,208 |  |
Cash Paid |  | $ 7,945 |  |  |  | 7,945 |  |
GCP |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 0 |  |
Accounts receivable |  |  |  |  |  | 3,067 |  |
Inventories |  |  |  |  |  | 0 |  |
Other current assets |  |  |  |  |  | 47 |  |
Property and equipment |  |  |  |  |  | 206 |  |
Intangibles |  |  |  |  |  | 5,670 |  |
Goodwill |  |  |  |  |  | 2,663 |  |
Other non-current assets |  |  |  |  |  | 0 |  |
Accounts payable and other current liabilities |  |  |  |  |  | (319) |  |
Deferred income tax liabilities |  |  |  |  |  | 0 |  |
Long-term debt |  |  |  |  |  | 0 |  |
Other long-term liabilities |  |  |  |  |  | (207) |  |
Fair value of assets acquired and purchase price |  |  |  |  |  | 11,127 |  |
Less seller obligations | $ 1,427 |  |  |  |  | 1,427 |  |
Cash Paid | $ 9,700 |  |  |  |  | 9,700 |  |
Two Thousand Twenty Acquisitions |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  |  | 0 |
Accounts receivable |  |  |  |  |  |  | 4,267 |
Inventories |  |  |  |  |  |  | 583 |
Other current assets |  |  |  |  |  |  | 575 |
Property and equipment |  |  |  |  |  |  | 946 |
Intangibles |  |  |  |  |  |  | 6,926 |
Goodwill |  |  |  |  |  |  | 4,712 |
Other non-current assets |  |  |  |  |  |  | 74 |
Accounts payable and other current liabilities |  |  |  |  |  |  | (1,255) |
Deferred income tax liabilities |  |  |  |  |  |  | 0 |
Long-term debt |  |  |  |  |  |  | 0 |
Other long-term liabilities |  |  |  |  |  |  | (166) |
Fair value of assets acquired and purchase price |  |  |  |  |  |  | 16,662 |
Less seller obligations |  |  |  |  |  |  | 4,037 |
Cash Paid |  |  |  |  |  |  | 12,625 |
Royals |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  |  | 0 |
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 |  |  |  |  |  |  | 0 |
Long-term debt |  |  |  |  |  |  | 0 |
Other long-term liabilities |  |  |  |  |  |  | (35) |
Fair value of assets acquired and purchase price |  |  |  |  |  |  | 10,090 |
Less seller obligations |  |  |  | $ 2,500 |  |  | 2,500 |
Cash Paid |  |  |  | $ 7,590 |  |  | 7,590 |
Other |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Cash |  |  |  |  |  | 0 | 0 |
Accounts receivable |  |  |  |  |  | 0 | 1,419 |
Inventories |  |  |  |  |  | 72 | 278 |
Other current assets |  |  |  |  |  | 0 | 145 |
Property and equipment |  |  |  |  |  | 146 | 348 |
Intangibles |  |  |  |  |  | 1,800 | 2,996 |
Goodwill |  |  |  |  |  | 663 | 1,697 |
Other non-current assets |  |  |  |  |  | 0 | 16 |
Accounts payable and other current liabilities |  |  |  |  |  | (11) | (196) |
Deferred income tax liabilities |  |  |  |  |  | 0 | 0 |
Long-term debt |  |  |  |  |  | 0 | 0 |
Other long-term liabilities |  |  |  |  |  | 0 | (131) |
Fair value of assets acquired and purchase price |  |  |  |  |  | 2,670 | 6,572 |
Less seller obligations |  |  |  |  |  | 380 | 1,537 |
Cash Paid |  |  |  |  |  | $ 2,290 | $ 5,035 |

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