FAIR VALUE MEASUREMENTS. (Tables)

12 Months Ended

Dec. 31, 2019

Fair Value Disclosures [Abstract]

Schedule of used and related fair value for the warrants

Original Issuance	Exercise Price		Volatility			Risk Free Interest Rate			Term (years)		Warrants Outstanding		Fair Value
12/22/19	$	1.00		76.0	%		1.66	%		3.00		5,500,000	$	977,000

Schedule of recurring fair value measurements

												Benefit Plan
	Fair											Percentage
	Value			Level 1			Level 2		Level 3			Allocation
Assets:
Derivative financial instruments	$	2,438		$	2,438		$	—	$	—
Long-lived assets held-for-sale		70,400								70,400
Defined benefit plan assets(1) (pooled separate accounts):
Large U.S. Equity(2)		4,654			—			4,654		—			30	%
Small/Mid U.S. Equity(3)		2,348			—			2,348		—			15	%
International Equity(4)		2,596			—			2,596		—			17	%
Fixed Income(5)		6,056			—			6,056		—			38	%
	$	88,492		$	2,438		$	15,654	$	70,400
Liabilities:
Derivative financial instruments	$	(1,860	)	$	(1,860	)	$	—	$	—
Warrants		(977	)		—			—		(977	)
	$	(2,837	)	$	(1,860	)	$	—	$	(977	)

The following table summarizes recurring fair value measurements by level at December 31, 2018 (in thousands):

											Benefit Plan
	Fair										Percentage
	Value			Level 1			Level 2		Level 3		Allocation
Assets:
Derivative financial instruments	$	1,765		$	1,765		$	—	$	—
Defined benefit plan assets(1) (pooled separate accounts):
Large U.S. Equity(2)		3,621			—			3,621		—		27	%
Small/Mid U.S. Equity(3)		1,844			—			1,844		—		14	%
International Equity(4)		2,106			—			2,106		—		16	%
Fixed Income(5)		5,686			—			5,686		—		43	%
	$	15,022		$	1,765		$	13,257	$	—
Liabilities:
Derivative financial instruments	$	(6,309	)	$	(6,309	)	$	—	$	—

(1) See Note 10 for accounting discussion.

(2) This category includes investments in funds comprised of equity securities of large U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(3) This category includes investments in funds comprised of equity securities of small- and medium-sized U.S. companies. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(4) This category includes investments in funds comprised of equity securities of foreign companies including emerging markets. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.

(5) This category includes investments in funds comprised of U.S. and foreign investment-grade fixed income securities, high-yield fixed income securities that are rated below investment-grade, U.S. treasury securities, mortgage-backed securities, and other asset-backed securities. The funds are valued using the net asset value method in which an average of the market prices for the underlying investments is used to value the fund.