Income Taxes (Schedule of Significant Components of Net Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Income Taxes [Abstract]
Net operating loss carryforwards	$ 154,356	$ 143,066
Research and development credits	7,628	7,111
Stock-based compensation	1,586	1,611
Interest limitation	10,651	8,964
Accruals and reserves	5,370	9,502
Fixed asset and intangible asset basis	3,654	4,615
Operating lease liabilities	5,386	5,955
Research and development capitalization	15,408	20,675
Total deferred tax assets	204,039	201,499
Capitalized contract costs	(2,704)	(1,556)
Operating lease right-of-use assets	(4,256)	(4,653)
Other	(109)	(66)
Total deferred tax liabilities	(7,069)	(6,275)
Deferred tax assets, net	196,970	195,224
Valuation allowance	(196,784)	$ (195,224)	$ (178,406)	$ (157,982)
Net deferred taxes	$ 186