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Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Deferred tax assets: |  |  |
Stock-based compensation | $ 408 | $ 347 |
Federal net operating loss carryover | 0 | 432 |
State net operating loss carryover | 0 | 1,063 |
Basis in partnerships | 9,212 | 10,947 |
Inventory | 2,316 | 1,521 |
Accrued expenses | 2,206 | 2,182 |
Alternative minimum tax credit carryover | 0 | 576 |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Contingencies | 1,444 | 385 |
Deferred Tax Assets, Operating Leases Liabilities | 832 | 0 |
Other | 191 | 175 |
Deferred tax assets, gross | 16,609 | 17,628 |
Valuation allowance | 0 | (1,063) | $ (1,346)
Deferred tax assets, net | 16,609 | 16,565 |
Deferred Tax Liabilities, Leasing Arrangements | (818) | 0 |
Deferred tax liabilities: |  |  |
Prepaid insurance | (419) | (66) |
Other | (110) | 0 |
Deferred tax liabilities | $ (1,347) | $ (66) |

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