Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Income Statement [Abstract]
Revenue	$ 13,904	$ 18,583	$ 40,812	$ 56,362
Cost of sales	(8,815)	(11,377)	(23,312)	(30,301)
Operating expenses	(3,711)	(3,619)	(6,859)	(6,904)
General and administrative expenses	(1,198)	(450)	(2,388)	(1,772)
Income from operations	180	3,137	8,253	17,385
Interest expense, net	(777)	(629)	(1,522)	(1,203)
Income (loss) before income taxes	(597)	2,508	6,731	16,182
Income tax expense	(28)	(69)	(368)	(226)
Net income (loss)	(625)	2,439	6,363	15,956
Net (income) loss attributable to noncontrolling interests - ORM Timber Funds	914	(593)	1,735	(1,869)
Net and comprehensive income attributable to unitholders	289	1,846	8,098	14,087
Allocable to general partners	4	25	113	193
Allocable to limited partners	285	1,821	7,985	13,894
Net and comprehensive income attributable to unitholders	$ 289	$ 1,846	$ 8,098	$ 14,087
Basic and diluted earnings per unit attributable to unitholders (in dollars per unit)	$ 0.06	$ 0.41	$ 1.87	$ 3.17
Basic and diluted weighted average units outstanding	4,298	4,391	4,296	4,389
Distributions per unit (in dollars per unit)	$ 0.65	$ 0.65	$ 1.30	$ 1.20