Segment Information (Summary of Additional Reportable Segment Financial Information) (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		$ (75,633)	$ (76,261)	$ (70,417)
Bond discount and deferred loan fees	[1]	1,792	1,624	1,688
Total depreciation, depletion and amortization		77,425	77,885	72,105
Basis of real estate sold		27,360	25,348	20,554
Assets		2,535,215	2,381,065	2,235,059
Capital Expenditures		64,577	45,633	64,102
Operating Segments [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		75,633	76,261	70,417
Assets		2,230,443	2,128,384	2,141,293
Capital Expenditures		64,321	44,905	62,785
Operating Segments [Member] | Timberlands [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		45,403	51,047	46,601
Assets	[2]	1,713,582	1,617,809	1,655,407
Capital Expenditures	[3]	16,163	16,252	17,500
Operating Segments [Member] | Wood Products [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		28,802	23,611	22,059
Assets		435,300	421,066	398,465
Capital Expenditures		38,360	21,565	37,232
Operating Segments [Member] | Real Estate Segment [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		640	620	678
Basis of real estate sold		27,381	25,990	20,749
Assets	[4]	81,561	89,509	87,421
Capital Expenditures	[5]	9,798	7,088	8,053
Corporate [Member]
Segment Reporting Information [Line Items]
Depreciation, depletion and amortization		788	983	1,079
Assets		304,772	252,681	93,766
Capital Expenditures		256	728	1,317
Intersegment Eliminations [Member]
Segment Reporting Information [Line Items]
Basis of real estate sold		$ (21)	$ (642)	$ (195)

[1] Included within interest expense in the Consolidated Statements of Operations.

[2] We do not report rural real estate separate from Timberlands as we do not report these assets separately to management.

[3] Does not include the acquisition of timber and timberlands, all of which were acquired by our Timberlands segment.

[4] Real Estate assets primarily consist of the master planned community development and a country club, both located in Arkansas.

[5] Real Estate capital expenditures include development expenditures of $9.2 million, $6.7 million and $7.3 million for the years ended December 31, 2021, 2020 and 2019, respectively.