Income Taxes - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Taxes
Net operating loss	$ 4,800	$ 11,000
Federal income tax basis difference	297,000
Deferred tax liabilities net	$ 5,340	$ 2,509
Dividends cash declared	$ 0.90	$ 0.90	$ 0.90
Taxable ordinary income federal income tax purposes	0.252	0.489	0.468
Capital gain distributions	0.423	$ 0.411	$ 0.432
Capital gain distributions remaining	$ 0.225