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Income Taxes - Schedule of Difference Between Actual Income Tax Provision and Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Taxes Differencebetweenthe Actual Income Tax Provisionand Income Taxes [Abstract]      
Consolidated income from continuing operations before income taxes - all domestic $ 16,846 $ 2,513 $ 4,939
Income from continuing operations before income taxes of non-taxable entities (16,902) (8,881) (7,769)
Loss from continuing operations before income taxes of corporate entities (56) (6,368) (2,830)
Federal income tax benefit at statutory rate (11) (1,337) (962)
Increase (decrease) due to:      
Nondeductible expenses 54 132 384
Basis difference of acquired assets   (648)  
Tax on gains not recognized for book income     112
Change in valuation allowance     (3,713)
State income taxes, net of federal income tax benefit (995) (880) (878)
Non-taxable refund (278)    
Rate change     (13,180)
Income tax benefit $ (1,230) $ (2,733) $ (18,237)