Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Revenues:
Lease revenue	$ 5,861	$ 3,447	$ 9,399	$ 7,045
Mining lands lease revenue	2,634	2,402	4,949	4,587
Total Revenues	8,495	5,849	14,348	11,632
Cost of operations:
Depreciation, depletion and amortization	4,388	1,500	5,831	2,968
Operating expenses	1,394	781	2,235	1,706
Property taxes	1,000	646	1,778	1,383
Management company indirect	822	692	1,392	1,364
Corporate expenses	1,050	1,026	1,829	2,213
Total cost of operations	8,654	4,645	13,065	9,634
Total operating profit (loss)	(159)	1,204	1,283	1,998
Net investment income, including realized gains of $0, $134, $0 and $242, respectively	1,048	2,110	2,423	4,101
Interest expense	(446)	(45)	(1,371)	(96)
Equity in loss of joint ventures	(1,118)	(1,343)	(2,753)	(1,985)
Gain on remeasurement of investment in real estate partnership	0	0	51,139	0
Gain on sale of real estate	805	3,589	805	3,597
Income before income taxes	130	5,515	51,526	7,615
Provision for (benefit from) income taxes	(151)	1,538	10,370	2,139
Net income	281	3,977	41,156	5,476
Gain (loss) attributable to noncontrolling interest	199	(172)	12,701	(291)
Net income attributable to the Company	$ 82	$ 4,149	$ 28,455	$ 5,767
Earnings per common share:
Basic	$ 0.01	$ 0.43	$ 3.04	$ 0.59
Diluted	$ 0.01	$ 0.43	$ 3.03	$ 0.59
Number of shares (in thousands) used in computing:
-basic earnings per common share	9,353	9,620	9,347	9,712
-diluted earnings per common share	9,390	9,649	9,385	9,744