Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Income Taxes
Accrued bonus	$ 388	$ 1,921
NOL	1,206	2,770
Deferred revenue	1,473
Capital loss	3,130	1,283
Charitable contributions	1,091	1,533
Other	302	265
Total deferred tax assets	7,590	7,772
Valuation allowance	(3,969)	(2,072)
Total deferred tax assets, net of valuation allowance	3,621	5,700
Basis difference - intangible assets	(4,911)	(5,887)
Basis difference - real estate	(3,033)	(2,164)
Basis difference - investments	(989)
Other	(28)	(158)
Total deferred tax liabilities	(8,961)	(8,209)
Net deferred tax liability	$ (5,340)	$ (2,509)