Revenue - ASC 606 - Cumulative effect and consolidated Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Jan. 01, 2018	Dec. 31, 2017
Assets
Accounts receivable, net	$ 85,711	$ 78,392	$ 79,881
Inventories	1,558,970	1,410,773	1,415,915
Prepaid expenses and other assets	51,710	45,646	41,138
Deferred tax assets, net	145,943	152,380	152,683
Other assets	18,326	17,852	21,903
Liabilities
Accrued liabilities	124,619	95,331	101,929
Deferred revenues and gains, current	88,054	78,526	77,669
Deferred revenues and gains, non-current	67,157	63,590	64,061
Other long-term liabilities	79,958	47,538	51,589
Stockholders' equity:
Retained earnings	(3,370)	8,929	7,619
Non-controlling interests	(11,621)	23,728	$ 21,252
Balances Without Adoption of ASC 606
Assets
Accounts receivable, net	88,966
Inventories	1,567,409
Prepaid expenses and other assets	42,823
Deferred tax assets, net	146,246
Other assets	23,515
Liabilities
Accrued liabilities	131,671
Deferred revenues and gains, current	87,806
Deferred revenues and gains, non-current	68,312
Other long-term liabilities	85,147
Stockholders' equity:
Retained earnings	(5,051)
Non-controlling interests	(14,789)
Effect of Change Higher/(Lower)
Assets
Accounts receivable, net	(3,255)	(1,489)
Inventories	(8,439)	(5,142)
Prepaid expenses and other assets	8,887	4,508
Deferred tax assets, net	(303)	(303)
Other assets	(5,189)	(4,051)
Liabilities
Accrued liabilities	(7,052)	(6,598)
Deferred revenues and gains, current	248	857
Deferred revenues and gains, non-current	(1,155)	(471)
Other long-term liabilities	(5,189)	(4,051)
Stockholders' equity:
Retained earnings	1,681	1,310
Non-controlling interests	$ 3,168	$ 2,476