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Income Taxes Reconciliation of Income Tax Attributable to Continuing Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Investments Owned Federal Income Tax Note [Line Items]      
Income tax expense/(benefit) $ 3,327 $ 3,696 $ 2,611
Subsidiary of Common Parent      
Investments Owned Federal Income Tax Note [Line Items]      
Tax expense at U.S. statutory rates on the Company’s TRS income subject to tax 763 1,026 115
Valuation Allowance Change in Amount     127
Income tax expense/(benefit) $ 763 $ 1,026 $ 242