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Income Taxes - Summary of Deferred Tax Asset and Liability (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
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Deferred tax asset |  |
Basis difference of investments | $ 15,906 | $ 15,644
Deferred compensation | 70,635 | 74,030
Excess interest expense | 31,319 | 26,238
Other deferred and accrued expenses | 12,157 | 8,835
Net operating loss and credit carry-forwards | 60,160 | 84,822
Total deferred tax asset1 | 190,177 | 209,569
Valuation allowance | (48,623) | (81,191)
Deferred tax asset, net of valuation allowance | 141,554 | 128,378
Deferred tax liability |  |
Depreciation and amortization | 24,331 | 27,406
Total deferred tax liability | 24,331 | 27,406
Net deferred tax asset | $ 117,223 | $ 100,972

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