Quarterly report [Sections 13 or 15(d)]

Correction of Previously Issued Financial Statements - Impact of the Corrections to the Company's Condensed Consolidated Statement of Changes to Stockholders' Equity (Deficit) (Details)

v3.25.3
Correction of Previously Issued Financial Statements - Impact of the Corrections to the Company's Condensed Consolidated Statement of Changes to Stockholders' Equity (Deficit) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Sep. 30, 2025
Sep. 30, 2024
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance $ (313,166) $ (313,709) $ (310,815) $ (230,457) $ (220,369) $ (209,532) $ (310,815) $ (209,532)
Net loss (6,746) 1,346 (2,659) (18,149) (14,343) (3,750) (8,059) (36,242)
Payment received from shareholder           14    
Ending Balance (320,506) (313,166) (313,709) (247,124) (230,457) (220,369) (320,506) (247,124)
Additional Paid-In Capital                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance 497,186 497,530 503,850 507,669 505,753 521,307 503,850 521,307
Conversion of Class B shares to Class A shares   (56) (6,784)   (2,904) (8,837)    
Ending Balance 497,483 497,186 497,530 516,265 507,669 505,753 497,483 516,265
Receivable from Shareholder                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (16,135) (15,775) (15,440)   (15,440)
Payment received from shareholder           14    
Ending Balance       (16,508) (16,135) (15,775)   (16,508)
Accumulated Deficit                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance (702,791) (703,760) (701,837) (646,222) (636,659) (634,179) (701,837) (634,179)
Net loss (4,859) 969 (1,923) (12,120) (9,563) (2,480)    
Ending Balance (707,650) (702,791) (703,760) (658,342) (646,222) (636,659) (707,650) (658,342)
Noncontrolling Interests                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance (88,195) (88,511) (94,244) (74,077) (71,996) (79,528) (94,244) (79,528)
Net loss (1,887) 377 (736) (6,029) (4,780) (1,270)    
Conversion of Class B shares to Class A shares   56 6,784   2,904 8,837    
Ending Balance $ (90,133) $ (88,195) $ (88,511) (86,847) (74,077) (71,996) $ (90,133) (86,847)
As Previously Reported                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (223,658) (214,251) (202,794)   (202,794)
Net loss       (17,970) (13,662) (4,356)   (35,988)
Ending Balance       (240,146) (223,658) (214,251)   (240,146)
As Previously Reported | Additional Paid-In Capital                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       507,986 506,017 521,998   521,998
Conversion of Class B shares to Class A shares         (2,851) (9,264)    
Ending Balance       516,582 507,986 506,017   516,582
As Previously Reported | Receivable from Shareholder                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (16,135) (15,775) (15,426)   (15,426)
Ending Balance       (16,508) (16,135) (15,775)   (16,508)
As Previously Reported | Accumulated Deficit                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (642,096) (632,994) (630,127)   (630,127)
Net loss       (11,999) (9,102) (2,867)    
Ending Balance       (654,095) (642,096) (632,994)   (654,095)
As Previously Reported | Noncontrolling Interests                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (71,721) (69,807) (77,547)   (77,547)
Net loss       (5,971) (4,560) (1,489)    
Conversion of Class B shares to Class A shares         2,851 9,264    
Ending Balance       (84,433) (71,721) (69,807)   (84,433)
Adjustments                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (6,799) (6,118) (6,738)   (6,738)
Net loss       (179) (681) 606   (254)
Payment received from shareholder           14    
Ending Balance       (6,978) (6,799) (6,118)   (6,978)
Adjustments | Additional Paid-In Capital                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (317) (264) (691)   (691)
Conversion of Class B shares to Class A shares         (53) 427    
Ending Balance       (317) (317) (264)   (317)
Adjustments | Receivable from Shareholder                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance         0 (14)   (14)
Payment received from shareholder           14    
Ending Balance       0   0   0
Adjustments | Accumulated Deficit                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (4,126) (3,665) (4,052)   (4,052)
Net loss       (121) (461) 387    
Ending Balance       (4,247) (4,126) (3,665)   (4,247)
Adjustments | Noncontrolling Interests                
Error Corrections and Prior Period Adjustments Restatement [Line Items]                
Beginning Balance       (2,356) (2,189) (1,981)   (1,981)
Net loss       (58) (220) 219    
Conversion of Class B shares to Class A shares         53 (427)    
Ending Balance       $ (2,414) $ (2,356) $ (2,189)   $ (2,414)