Business Segments (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Business segments (in thousands)

	Three Months ended						Nine Months ended
	September 30,						September 30,
	2020			2019			2020			2019
Revenues:
Asset management	$	721			430			2,089			1,733
Mining royalty lands		2,507			2,302			7,094			7,164
Development		290			307			862			892
Stabilized Joint Venture		2,580			2,844			7,685			8,171
		6,098			5,883			17,730			17,960
Operating profit (loss):
Before corporate expenses:
Asset management	$	200			8			700			233
Mining royalty lands		2,291			2,103			6,486			6,605
Development		(659	)		(629	)		(2,136	)		(1,747	)
Stabilized Joint Venture		386			608			1,379			1,657
Operating profit before corporate expenses		2,218			2,090			6,429			6,748
Corporate expenses:
Allocated to asset management		(165	)		(168	)		(738	)		(470	)
Allocated to mining royalty lands		(53	)		(44	)		(234	)		(123	)
Allocated to development		(381	)		(479	)		(1,710	)		(1,219	)
Allocated to stabilized joint venture		(38	)		(41	)		(168	)		(116	)
Total corporate expenses		(637	)		(732	)		(2,850	)		(1,928	)
	$	1,581			1,358			3,579			4,820
Interest expense	$	46			129			142			989
Depreciation, depletion and amortization:
Asset management	$	137			154			529			527
Mining royalty lands		60			36			160			130
Development		53			54			160			161
Stabilized Joint Venture		1,188			1,187			3,557			3,572
	$	1,438			1,431			4,406			4,390
Capital expenditures:
Asset management	$	233			824			787			8,642
Mining royalty lands		—			—			—			—
Development		1,754			167			2,371			415
Stabilized Joint Venture		46			194			42			304
	$	2,033			1,185			3,200			9,361

		September 30,	December 31,
Identifiable net assets		2020	2019
Asset management	$	11,323	18,468
Mining royalty lands		37,617	38,409
Development		182,567	179,357
Stabilized Joint Venture		136,679	133,956
Investments available for sale at fair value		104,624	137,867
Cash items		61,548	26,793
Unallocated corporate assets		1,772	3,298
	$	536,130	538,148