Segment Reporting - Schedule of Reportable Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Revenue	$ 500,890	$ 503,877	$ 488,398
Segment expense	475,394	475,495	461,451
Exit, Disposal and Goodwill impairment costs	5,585	215	124,930
Income (loss) from operations	19,911	28,167	(97,983)
United States
Segment Reporting Information [Line Items]
Revenue	396,192	396,821	387,399
Segment expense	297,902	302,139	294,223
Exit, Disposal and Goodwill impairment costs	0	0	0
Income (loss) from operations	98,290	94,682	93,176
Europe
Segment Reporting Information [Line Items]
Revenue	104,698	107,056	92,770
Segment expense	114,654	119,584	105,148
Exit, Disposal and Goodwill impairment costs	5,585	0	118,008
Income (loss) from operations	(15,541)	(12,528)	(130,386)
Corporate Unallocated and Japan
Segment Reporting Information [Line Items]
Revenue	0	0	8,229
Segment expense	62,838	53,772	62,080
Exit, Disposal and Goodwill impairment costs	0	215	6,922
Income (loss) from operations	$ (62,838)	$ (53,987)	$ (60,773)