Income Taxes - Statutory Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Amount
Utilization of net operating loss carryforward	$ 174	$ 0	$ 0
Benefit applicable to income (loss) from continuing operations	$ 0	$ 0	$ 0
Rate
Utilization of net operating loss carryforward	(25.00%)	0.00%	0.00%
Benefit applicable to income (loss) from continuing operations	0.00%	0.00%	0.00%
CTRS
Amount
Federal income tax benefit (expense)	$ (149)	$ 85	$ 346
State income tax benefit (expense)	(28)	16	66
Tax impact of capital loss carryforward	(28)	(29)	(10)
Valuation allowance	1	(60)	(346)
Other	30	(12)	(56)
Tax expense before utilization of net operating loss carryforward	$ (174)	$ 0	$ 0
Rate
Federal income tax benefit (expense)	21.00%	21.00%	21.00%
State income tax benefit (expense)	4.00%	4.00%	4.00%
Tax impact of capital loss carryforward	0.00%	0.00%	0.00%
Valuation allowance	0.00%	(15.00%)	(26.00%)
Other	0.00%	(10.00%)	1.00%
Tax expense before utilization of net operating loss carryforward	25.00%	0.00%	0.00%

Income Tax Expense (Benefit), Continuing Operations, Amount

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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