Condensed Consolidated Condensed Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 16,921	$ 157
Adjustments to reconcile net income to net cash from operating activities:
Depreciation, depletion and amortization	6,702	8,605
Basis of real estate sold	4,790	2,034
Change in deferred taxes	(351)	(1,110)
Employee benefit plans	3,292	2,737
Equity-based compensation expense	1,157	954
Other, net	(528)	(531)
Change in working capital and operating-related activities, net	9,966	16,047
Net cash from operating activities	41,949	28,893
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(3,636)	(932)
Timberlands reforestation and roads	(2,645)	(2,242)
Other, net	(102)	116
Net cash from investing activities	(6,383)	(3,058)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends to common stockholders	(15,228)	(15,258)
Repayment of revolving line of credit borrowings		(30,000)
Repayment of long-term debt		(5,000)
Proceeds from issuance of long-term debt		27,500
Change in book overdrafts		(2,836)
Other, net	(1,258)	(342)
Net cash from financing activities	(16,486)	(25,936)
Change in cash and cash equivalents	19,080	(101)
Cash and cash equivalents at beginning of period	82,584	7,925
Cash and cash equivalents at end of period	101,664	7,824
Cash paid (received) during the period for:
Interest, net of amounts capitalized	3,130	2,029
Income taxes, net	$ 148	$ (1,709)