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Income Taxes - Summary of Deferred Tax Asset and Liability (Detail) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Deferred tax asset |  |  |
Basis difference of investments |  | $ 5,078 | $ 2,650
Deferred compensation |  | 59,194 | 61,174
Excess interest expense |  | 21,028 |
Other deferred and accrued expenses |  | 20,285 | 15,911
Net operating loss and credit carry-forwards |  | 73,072 | 50,114
Total deferred tax asset | [1] | 178,657 | 129,849
Valuation allowance |  | (71,931) | (33,580)
Deferred tax asset, net of valuation allowance |  | 106,726 | 96,269
Deferred tax liability |  |  |
Depreciation and amortization |  | 28,096 | 18,734
Total deferred tax liability | [1] | 28,096 | 18,734
Net deferred tax asset |  | $ 78,630 | $ 77,535
[1] | Before netting within tax jurisdictions.

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