Consolidated Statements of Stockholders' (Deficit) Equity (Parenthetical) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Statement of Stockholders' Equity [Abstract]
Change in unrecognized pension and postretirement benefit costs, $0 tax effect	$ 0	$ 0	$ 0	$ 0
Reclassification of equity of interest paid in kind attributable to conversion option, tax effect			$ 635,000	$ 109,000
Reclassification to equity of interest paid in kind attributable to conversion option, tax effect	109,000	$ 320,000
Reclassification of conversion option to equity, tax effect	$ 0