v3.26.1
Equity - RSAs and RSUs (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Jun. 15, 2023
Two Thousand Fifteen Incentive Plan | Common Stock              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangement by share-based payment award, number of shares authorized             4,000,000
2025 Manager Equity Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangement by share-based payment award, number of shares authorized         1,000,000    
Restricted Common Stock              
Equity - Status and Changes of Nonvested Shares of Restricted Common Stock [Roll Forward]              
Number of Nonvested Units, beginning balance (in shares)     753,522        
Granted (in shares)     18,158        
Vested (in shares)     (267,402)        
Forfeited (in shares)     (2,408)        
Number of Nonvested Units, ending balance (in shares) 501,870   501,870   753,522    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]              
Nonvested, Weighted Average Grant Date Fair Value, beginning balance (in usd per share)     $ 13.86        
Granted (in usd per share)     50.1        
Vested (in usd per share)     15.22        
Forfeited (in usd per share)     13.12        
Nonvested, Weighted Average Grant Date Fair Value, ending balance (in usd per share) $ 14.46   $ 14.46   $ 13.86    
Restricted Common Stock | Two Thousand Fifteen Incentive Plan | Minimum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period     1 year        
Restricted Common Stock | Two Thousand Fifteen Incentive Plan | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period     4 years        
Restricted Stock Units (RSUs)              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Shares withheld from issuance to satisfy employee minimum tax withholding requirements (in shares)     223,461        
Equity - Status and Changes of Nonvested Shares of Restricted Common Stock [Roll Forward]              
Number of Nonvested Units, beginning balance (in shares)     815,953        
Granted (in shares)     294,752        
Vested (in shares)     (277,034)        
Forfeited (in shares)     (1,334)        
Number of Nonvested Units, ending balance (in shares) 832,337   832,337   815,953    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]              
Nonvested, Weighted Average Grant Date Fair Value, beginning balance (in usd per share)     $ 26.41        
Granted (in usd per share)     51.63        
Vested (in usd per share)     26.65        
Forfeited (in usd per share)     38.72        
Nonvested, Weighted Average Grant Date Fair Value, ending balance (in usd per share) $ 34.24   $ 34.24   $ 26.41    
Restricted Stock Units (RSUs) | Two Thousand Fifteen Incentive Plan              
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]              
Fair value of the RSAs and RSUs granted pursuant to the AHR Incentive Plan     $ 13,991,000 $ 12,071,000      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]              
Stock based compensation $ 4,387,000 $ 3,170,000 7,806,000 5,699,000      
Unrecognized stock compensation expense related to nonvested RSAs and RSUs $ 25,626,000   $ 25,626,000        
Weighted average period of recognition     1 year 9 months 18 days        
Restricted Stock Units (RSUs) | Two Thousand Fifteen Incentive Plan | Maximum              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Award vesting period     3 years        
Restricted Stock Units (RSUs) | 2025 Manager Equity Plan              
Equity - Status and Changes of Nonvested Shares of Restricted Common Stock [Roll Forward]              
Number of Nonvested Units, beginning balance (in shares)     147,468        
Granted (in shares)     90,534        
Vested (in shares)     (24,578)        
Number of Nonvested Units, ending balance (in shares) 213,424   213,424   147,468    
Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions and Methodology [Abstract]              
Fair value of the RSAs and RSUs granted pursuant to the AHR Incentive Plan     $ 4,270,000 $ 0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]              
Nonvested, Weighted Average Grant Date Fair Value, beginning balance (in usd per share)     $ 49.34        
Granted (in usd per share)     47.16        
Vested (in usd per share)     49.34        
Nonvested, Weighted Average Grant Date Fair Value, ending balance (in usd per share) $ 48.42   $ 48.42   $ 49.34    
Stock based compensation $ 1,349,000   $ 2,756,000        
Unrecognized stock compensation expense related to nonvested RSAs and RSUs $ 9,890,000   $ 9,890,000        
Weighted average period of recognition     2 years        
Employee Stock | 2024 Stock Purchase Plan              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Share-based compensation arrangement by share-based payment award, number of shares authorized           1,000,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]              
Employee stock purchase price of common stock (as a percent)           85.00%  
Shares purchased or issued under ESPP (in shares)     4,396   10,079    
Shares remained available for future issuance 985,525   985,525