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Federal Income Taxes - Tax Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |  |
Federal tax benefit at statutory tax rate | $ (810) | $ (655) | $ (548)
TRS state and local taxes, net of Federal benefit | (244) | (197) | (165)
Permanent differences, net | 227 | 239 | 951
Prior year over-accrual, net | 0 | 0 | 0
Effect of Tax Cuts and Jobs Act | 0 | 0 | 0
Adjustment to deferred tax reserve | 851 | 1,748 | (1,530)
Other | (131) | (112) | 1,702
REIT state and local income and franchise taxes | 378 | 445 | 524
Total provision for income taxes | $ 271 | $ 1,468 | $ 934

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