CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Preferred Class A	Common Class A	Preferred stock	Preferred stock Preferred Class A	Common stock	Common stock Common Class A	Additional paid-in capital	Additional paid-in capital Preferred Class A	Additional paid-in capital Common Class A	Accumulated deficit	Accumulated other comprehensive income (loss)	Treasury stock
Beginning Balance (in shares) at Dec. 31, 2023				0		3,896
Beginning Balance, treasury stock (in shares) at Dec. 31, 2023													(1,089)
Beginning Balance at Dec. 31, 2023	$ 48,554			$ 0		$ 4		$ 493,036			$ (425,247)	$ (1,290)	$ (17,949)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(4,770)										(4,770)
Other comprehensive income (loss), translation adjustments	(1,427)											(1,427)
Purchase of treasury stock (in shares)													(173)
Purchase of treasury stock	(2,775)												$ (2,775)
Purchase of restricted stock from employees (in shares)													(21)
Purchase of restricted stock from employees	(327)												$ (327)
Stock-based compensation and vesting of restricted stock units (in shares)						137
Stock-based compensation and vesting of restricted stock units	$ 1,173							1,173
Ending Balance (in shares) at Dec. 31, 2024	2,750			0		4,033
Ending Balance, treasury stock (in shares) at Dec. 31, 2024	(1,283)												(1,283)
Ending Balance at Dec. 31, 2024	$ 40,428			$ 0		$ 4		494,209			(430,017)	(2,717)	$ (21,051)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(5,917)										(5,917)
Dividends to holders of preferred stock	(740)							(740)
Stock issued in connection with acquisition of Star Operating Companies (in shares)					2,691		744
Stock issued in connection with acquisition of Star Operating Companies		$ 25,480	$ 6,695		$ 3		$ 1		$ 25,477	$ 6,694
Stock issued during period (in shares)						288
Issuance of common shares in exchange for preferred treasury shares	0							2,999					$ (2,999)
Other comprehensive income (loss), translation adjustments	1,353											1,353
Purchase of treasury stock (in shares)													(281)
Purchase of treasury stock	(2,638)												$ (2,638)
Purchase of restricted stock from employees (in shares)													(47)
Purchase of restricted stock from employees	(451)												$ (451)
Stock-based compensation and vesting of restricted stock units (in shares)						301
Stock-based compensation and vesting of restricted stock units	$ 1,497							1,497
Ending Balance (in shares) at Dec. 31, 2025	3,755			2,691		5,366
Ending Balance, treasury stock (in shares) at Dec. 31, 2025	(1,611)												(1,611)
Ending Balance at Dec. 31, 2025	$ 65,707			$ 3		$ 5		$ 530,136			$ (435,934)	$ (1,364)	$ (27,139)