CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net income (loss)	$ 6,744	$ (17,306)
Depreciation and amortization	2,847	2,699
Deferred income taxes	(1,080)	(20,978)
Equity in earnings of Kronos Worldwide, Inc.	(6,123)	46,584
Dividends received from Kronos Worldwide, Inc.	15,849	15,849
Cash funding of benefit plans in excess of net benefit plan expense	(267)	(1,116)
Other, net	385	348
Change in assets and liabilities:
Accounts and other receivables, net	(4,303)	(2,583)
Inventories, net	280	1,246
Prepaid expenses and other	125	(40)
Accounts payable and accrued liabilities	50	(1,805)
Income taxes	(4)
Accounts with affiliates	(34)	(1,497)
Accrued environmental remediation and related costs	3,679	1,596
Other noncurrent assets and liabilities, net	(259)	(4,700)
Net cash provided by operating activities	17,889	18,297
Cash flows from investing activities:
Capital expenditures	(2,354)	(2,570)
Change in restricted cash equivalents, net	(53)	348
Notes receivable from affiliate:
Loans	(15,100)
Proceeds from collection	4,400
Proceeds from the sale of marketable securities		255
Purchase of marketable securities		(251)
Net cash used in investing activities	(13,107)	(2,218)
Cash flows from financing activities —
Distributions to noncontrolling interests in subsidiary	(249)	(247)
Cash and cash equivalents — net change from:
Operating, investing and financing activities	4,533	15,832
Cash and cash equivalents at beginning of period	96,462	72,560
Cash and cash equivalents at end of period	100,995	88,392
Supplemental disclosure — cash paid for:
Income taxes, net	$ 61	$ 1,587