Income Taxes, Deferred Tax Asset Valuation Adjustments (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023		Dec. 31, 2022		Dec. 31, 2021
Valuation Allowance [Roll Forward]
Additional valuation allowance recorded on foreign tax credit carryforward		$ 6,100
Utilization of foreign tax credits				$ (18,100)
Valuation allowance release of foreign tax credits				(32,200)
Additional valuation allowance recorded on foreign tax credit carryforward due to disposal of Grow Tech segment						$ 11,900
Deferred Tax Asset Valuation Allowance [Member]
Valuation Allowance [Roll Forward]
Beginning balance		33,557		80,186		67,340
Additions charged to cost and expenses		13,183	[1]	3,231	[2]	12,674	[3]
Decreases		(1,825)	[4]	(50,315)	[5]	0	[6]
Adjustments	[7]	2,227		455		172
Ending balance		$ 47,142		$ 33,557		$ 80,186

[1] Increase in valuation is due primarily to net operating losses in foreign markets and the $6.1 million that was recorded on the foreign tax credit carryforward.

[2] Increase in valuation is primarily due to net operating losses in foreign markets.

[3] Increase in valuation is primarily due to $11.9 million that was recorded on the foreign tax credit carryforward due to the disposal of the Company’s Grow Tech segment. The additional amount is due to net operating losses in foreign markets.

[4] The decrease was due to expiration of foreign net operating losses.

[5] The decrease was due to utilization of $18.1 million of foreign tax credits and the valuation allowance release of $32.2 million foreign tax credits.

[6] No decreases in 2021.

[7] Represents the net currency effects of translating valuation allowances at current rates of exchange.