Income Taxes - Deferred Tax Asset (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Deferred tax assets
Net operating loss carryforward	$ 3,615	$ 6,024
Capital loss carryover	7,549	4,442
GAAP/Tax basis differences	254	814
Total deferred tax assets	11,418	11,280
Deferred tax liabilities
GAAP/Tax basis differences	6,681	2
Total deferred tax liabilities	6,681	2
Valuation allowance	(5,136)	(9,503)
Total net deferred tax (liability) asset		$ 1,775
Total net deferred tax (liability) asset	$ (399)