XML 79 R61.htm IDEA: XBRL DOCUMENT v3.24.0.1
Debt - Long-term Debt (Details)
 3 Months Ended 12 Months Ended
Jun. 30, 2023
debtInstrumentExtensionOption
Dec. 31, 2023
USD ($)
debtInstrumentExtensionOption
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Jun. 30, 2022
Sep. 30, 2021
Jun. 30, 2021
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2019
USD ($)
Mar. 31, 2018
USD ($)
Debt Instrument [Line Items]                    
Total debt   $ 4,517,158,000 $ 4,581,628,000              
Unamortized discounts on unsecured senior notes   (32,981,000) (36,099,000)              
Deferred financing costs, net   (22,530,000) (29,531,000)              
Total debt per balance sheet   4,461,647,000 4,515,998,000              
Amortization of debt issuance costs   12,279,000 11,673,000 $ 8,790,000            
Asset-Backed Securitizations and Unsecured Senior Notes                    
Debt Instrument [Line Items]                    
Amortization of debt issuance costs   7,000,000 6,800,000 $ 6,100,000            
Secured Debt                    
Debt Instrument [Line Items]                    
Total debt   $ 1,877,158,000 1,901,628,000              
Secured Debt | AMH 2014-SFR2 securitization                    
Debt Instrument [Line Items]                    
Interest rate   4.42%                
Total debt   $ 461,498,000 468,138,000              
Secured Debt | AMH 2014-SFR3 securitization                    
Debt Instrument [Line Items]                    
Interest rate   4.40%                
Total debt   $ 477,064,000 482,964,000              
Secured Debt | AH4R 2015-SFR1 securitization                    
Debt Instrument [Line Items]                    
Interest rate   4.14%                
Total debt   $ 502,299,000 508,672,000              
Potential weighted-average interest rate increase contingent upon repayment   3.00%                
Secured Debt | AMH 2015-SFR2 securitization                    
Debt Instrument [Line Items]                    
Interest rate   4.36%                
Total debt   $ 436,297,000 441,854,000              
Potential weighted-average interest rate increase contingent upon repayment   3.00%                
Senior Notes | 2028 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   4.25%               4.25%
Effective interest rate   4.08%               4.08%
Total debt   $ 500,000,000 500,000,000              
Deferred financing costs, net                   $ (1,900,000)
Senior Notes | 2029 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   4.90%             4.90%  
Total debt   $ 400,000,000 400,000,000              
Deferred financing costs, net                 $ (1,000,000)  
Senior Notes | 2031 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   2.38%       2.375%        
Effective interest rate   2.46%       2.46%        
Total debt   $ 450,000,000 450,000,000              
Senior Notes | 2032 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   3.63%     3.625%          
Total debt   $ 600,000,000 600,000,000              
Senior Notes | 2051 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   3.38%       3.375%        
Total debt   $ 300,000,000 300,000,000              
Senior Notes | 2052 unsecured senior notes                    
Debt Instrument [Line Items]                    
Interest rate   4.30%     4.30%          
Total debt   $ 300,000,000 300,000,000              
Line of Credit | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Interest rate   6.38%                
Total debt   $ 90,000,000 130,000,000              
Credit facility maximum borrowing capacity   $ 1,250,000,000         $ 1,250,000,000 $ 800,000,000    
Number of extension options | debtInstrumentExtensionOption 2 2                
Extension period 6 months 6 months                
Letters of credit outstanding   $ 2,700,000 $ 4,000,000              
Line of Credit | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR)                    
Debt Instrument [Line Items]                    
Basis spread on variable rate 0.10% 0.90%