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Segment and Geographic Information - Summary of Segment Revenue, Income (Loss) and Depreciation and Amortization (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Segment Reporting Information [Line Items] |  |  |  |  |
Total Revenue | $ 914,242 | $ 1,655,035 |  | $ 951,373 |
Income (Loss) from Operations | 32,627 | 108,478 | [1] | 148,268 | [1]
Depreciation and Amortization | 48,474 | 45,334 | [2] | 40,476 | [2]
U.S. Marketplace |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Revenue | 647,284 | 614,136 |  | 594,602 |
Income (Loss) from Operations | 127,724 | 128,455 | [1] | 152,006 | [1]
Depreciation and Amortization | 11,561 | 11,554 | [2] | 10,648 | [2]
Digital Wholesale |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Revenue | 216,005 | 996,264 |  | 314,431 |
Income (Loss) from Operations | (96,383) | (11,834) | [1] | 6,526 | [1]
Depreciation and Amortization | 36,265 | 33,350 | [2] | 29,059 | [2]
Other |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Total Revenue | 50,953 | 44,635 |  | 42,340 |
Income (Loss) from Operations | 1,286 | (8,143) | [1] | (10,264) | [1]
Depreciation and Amortization | $ 648 | $ 430 | [2] | $ 769 | [2]
[1] | As of December 31, 2022 and 2021, Digital Wholesale segment loss (income) did not reflect certain Dealer-to-Dealer and IMCO related capitalized website development expense from the U.S. Marketplace segment. During the three months ended March 31, 2023, the Company updated Digital Wholesale Depreciation and Amortization to reflect certain Dealer-to-Dealer and IMCO related capitalized website development amortization expense from the U.S. Marketplace segment and accordingly updated Digital Wholesale Depreciation as of December 31, 2022 and 2021 for comparative purposes.
[2] | As of December 31, 2022, Digital Wholesale Depreciation and Amortization did not reflect certain Dealer-to-Dealer and IMCO related capitalized website development expense from the U.S. Marketplace segment. During the three months ended March 31, 2023, the Company updated Digital Wholesale Depreciation and Amortization to reflect certain Dealer-to-Dealer and IMCO related capitalized website development amortization expense from the U.S. Marketplace segment and accordingly updated Digital Wholesale Depreciation as of December 31, 2022 and 2021 for comparative purposes.

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