Balance Sheet Of Partnership Co-Investments (Partnership's Consolidated Balance Sheet included Assets and Liabilities of Funds) (Detail) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Assets:
Cash	$ 6,591	$ 9,523
Total current assets	32,051	37,480
Timber, timberland and roads, net of accumulated depletion (2014 - $24,445; 2013 - $28,713)	308,808	307,156
Other long-term assets	527	441
Total assets	341,386	345,077
Liabilities and equity:
Current liabilities excluding long-term debt	308	248
Long-term debt, net of current portion	84,816	84,872
Total liabilities, partners' capital and noncontrolling interests	341,386	345,077
ORM Timber Funds
Assets:
Cash	6,591	9,523
Other current assets	696	1,108
Total current assets	7,287	10,631
Timber, timberland and roads, net of accumulated depletion (2014 - $24,445; 2013 - $28,713)	226,863	230,123
Other long-term assets	145	156
Total assets	234,295	240,910
Liabilities and equity:
Current liabilities excluding long-term debt	2,161	1,891
Long-term debt, net of current portion	57,380	57,380
Total liabilities	59,541	59,271
Funds' equity	174,754	181,639
Total liabilities, partners' capital and noncontrolling interests	$ 234,295	$ 240,910