Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Goodwill and other intangible assets	$ 0	$ 3,854
Stock-based compensation	2,290	2,956
Deferred compensation	5,976	6,710
Warranty	11,246	10,931
Inventory	8,001	6,375
Other	2,585	3,454
Lease obligation asset	25,055	822
Net operating loss and interest carryforwards	7,352	1,467
Total deferred tax assets	62,505	36,569
Less: Valuation allowance - foreign	(1,662)	(1,261)
Total deferred tax assets net of valuation allowance	60,843	35,308
Lease obligation liability	(24,368)	0
Fixed assets	(27,898)	(24,360)
Intangible assets	(44,317)	(8,501)
Total deferred tax liabilities	(96,583)	(32,861)
Net deferred tax assets		$ 2,447
Deferred Tax Liabilities, Net	$ (35,740)