CONSOLIDATED BALANCE SHEETS (Parentheticals) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Cash, cash equivalents and restricted cash ($6,843 and $8,514 attributable to the variable interest entity ("VIE"))	$ 151,452	$ 34,184
Inventories ($13,830 and $11,958 attributable to the VIE)	357,682	398,368
Property, plant and equipment, net ($10,538 and $11,374 attributable to the VIE)	222,811	231,575
Goodwill ($32,312 and $32,312 attributable to the VIE)	215,186	214,056
Other assets ($2,239 and $2,517 attributable to the VIE)	75,158	77,265
Accounts payable ($8,702 and $8,360 attributable to the VIE)	112,867	102,335
Accrued compensation and benefits ($1,454 and $3,542 attributable to the VIE)	82,290	72,465
Accrued expenses and other liabilities ($3,699 and $4,468 attributable to the VIE)	101,260	76,663
Other noncurrent liabilities ($2,261 and $5,202 attributable to the VIE)	$ 52,128	$ 51,908
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	75,666,367	75,619,587
Treasury stock, at cost (in shares)	1,671,754	1,183,966
Accrued share repurchase (in shares)	299,894	56,000
VIE
Cash, cash equivalents and restricted cash ($6,843 and $8,514 attributable to the variable interest entity ("VIE"))	$ 6,843	$ 8,514
Inventories ($13,830 and $11,958 attributable to the VIE)	13,830	11,958
Property, plant and equipment, net ($10,538 and $11,374 attributable to the VIE)	10,538	11,374
Goodwill ($32,312 and $32,312 attributable to the VIE)	32,312	32,312
Other assets ($2,239 and $2,517 attributable to the VIE)	2,239	2,517
Accounts payable ($8,702 and $8,360 attributable to the VIE)	8,702	8,360
Accrued compensation and benefits ($1,454 and $3,542 attributable to the VIE)	1,454	3,542
Accrued expenses and other liabilities ($3,699 and $4,468 attributable to the VIE)	3,699	4,468
Other noncurrent liabilities ($2,261 and $5,202 attributable to the VIE)	$ 2,261	$ 5,202