SEGMENT INFORMATION (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023 USD ($) T	Jun. 30, 2022 USD ($) T	Jun. 30, 2023 USD ($) T	Jun. 30, 2022 USD ($) T	Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items]
Net Sales	$ 357,005	$ 363,963	$ 735,213	$ 745,643	$ 1,500,000
Operating income (loss)	(10,485)	8,924	(4,372)	(106,965)
Depreciation and amortization	15,970	16,452	31,701	34,936
Capital expenditures	$ 7,958	$ 10,349	$ 17,458	$ 22,697
Tons shipped (metric) | T	79,403	84,285	160,468	176,284
Other and unallocated
Segment Reporting Information [Line Items]
Operating income (loss)	$ (19,795)	$ (6,991)	$ (31,700)	$ (133,194)
Depreciation and amortization	960	1,169	1,948	2,591
Capital expenditures	1,007	2,353	2,061	3,021
Inter-segment sales elimination
Segment Reporting Information [Line Items]
Net Sales	(651)	0	(1,198)	0
Airlaid Material
Segment Reporting Information [Line Items]
Net Sales	152,511	143,708	311,952	293,172
Airlaid Material | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	152,511	143,708	311,952	293,172
Operating income (loss)	9,726	11,944	23,640	24,165
Depreciation and amortization	7,637	7,542	15,323	15,171
Capital expenditures	$ 2,332	$ 2,064	$ 4,414	$ 5,532
Tons shipped (metric) | T	39,246	40,681	79,073	83,733
Composite Fibers
Segment Reporting Information [Line Items]
Net Sales	$ 125,725	$ 123,338	$ 258,316	$ 259,167
Composite Fibers | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	125,725	123,338	258,316	259,167
Operating income (loss)	898	5,779	7,025	5,444
Depreciation and amortization	3,897	4,796	7,862	11,315
Capital expenditures	$ 2,110	$ 4,131	$ 5,773	$ 10,258
Tons shipped (metric) | T	24,966	24,246	49,784	52,457
Spunlace
Segment Reporting Information [Line Items]
Net Sales	$ 79,420	$ 96,917	$ 166,143	$ 193,304
Spunlace | Operating Segments
Segment Reporting Information [Line Items]
Net Sales	79,420	96,917	166,143	193,304
Operating income (loss)	(1,314)	(1,808)	(3,337)	(3,380)
Depreciation and amortization	3,476	2,945	6,568	5,859
Capital expenditures	$ 2,509	$ 1,801	$ 5,210	$ 3,886
Tons shipped (metric) | T	15,191	19,358	31,611	40,094