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Income taxes - Schedule of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Deferred tax assets: |  |
Deferred compensation | $ 27,780 | $ 27,161
Deferred rent and lease incentives | 8,772 | 9,877
Net operating losses and credits | 12,124 | 9,593
Receivable reserves | 1,259 | 1,294
Accrued expenses | 4,762 | 13,121
Auction rate securities reserves | 62 | 1,394
Involuntary conversion | 1,671 | 1,704
Other | 981 | 958
Total deferred tax assets | 57,411 | 65,102
Valuation allowance | (9,581) | (7,036)
Deferred tax assets after valuation allowance | 47,830 | 58,066
Deferred tax liabilities: |  |
Goodwill | 40,984 | 41,775
Partnership investments | 27,181 | 32,679
Company-owned life insurance | 14,180 | 11,527
Depreciation | 1,517 | 1,617
Other | 303 | 272
Total deferred tax liabilities | 84,165 | 87,870
Total deferred tax liabilities | $ (36,335) | $ (29,804)

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