Business Segments (Tables)

6 Months Ended

Jun. 30, 2019

Segment Reporting [Abstract]

Business segments (in thousands)

	Three Months ended						Six Months ended
	June 30,						June 30,
	2019			2018			2019			2018
Revenues:
Asset management	$	662			568			1,303			1,149
Mining royalty lands		2,633			2,055			4,862			3,827
Development		316			317			585			614
Stabilized Joint Venture		2,752			2,613			5,327			5,038
		6,363			5,553			12,077			10,628
Operating profit (loss):
Before corporate expenses:
Asset management	$	128			258			225			507
Mining royalty lands		2,458			1,918			4,502			3,536
Development		(565	)		(630	)		(1,118	)		(1,007	)
Stabilized Joint Venture		637			(293	)		1,049			(1,007	)
Operating profit before corporate expenses		2,658			1,253			4,658			2,029
Corporate expenses:
Allocated to asset management		(139	)		(109	)		(302	)		(112	)
Allocated to mining royalty lands		(36	)		(52	)		(79	)		(129	)
Allocated to development		(341	)		(283	)		(740	)		(702	)
Allocated to stabilized joint venture		(35	)		(95	)		(75	)		(237	)
Unallocated		—			(1,170	)		—			(1,208	)
Total corporate expenses		(551	)		(1,709	)		(1,196	)		(2,388	)
	$	2,107			(456	)		3,462			(359	)
Interest expense	$	272			807			860			1,650
Depreciation, depletion and amortization:
Asset management	$	196			129			373			260
Mining royalty lands		42			36			94			90
Development		49			57			107			114
Stabilized Joint Venture		1,185			1,909			2,385			4,065
	$	1,472			2,131			2,959			4,529
Capital expenditures:
Asset management	$	1,352			6			7,818			167
Mining royalty lands		—			—			—			—
Development		(122	)		1,018			248			1,310
Stabilized Joint Venture		227			185			110			(58	)
	$	1,457			1,209			8,176			1,419

		June 30,	December 31,
Identifiable net assets		2019	2018
Asset management	$	16,981	10,593
Discontinued operations		871	3,224
Mining royalty lands		38,702	37,991
Development		115,016	119,029
Stabilized Joint Venture		136,048	138,206
Investments available for sale at fair value		122,183	165,212
Cash items		76,235	22,749
Unallocated corporate assets		29,111	8,484
	$	535,147	505,488