Quarterly report pursuant to Section 13 or 15(d)

Variable Interest Entities and Securitizations - Narrative (Details)

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Variable Interest Entities and Securitizations - Narrative (Details) - USD ($)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2023
Apr. 30, 2023
Feb. 28, 2023
Dec. 31, 2022
Dec. 31, 2021
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Variable Interest Entity [Line Items]                  
Total assets       $ 20,872,655   $ 26,397,462   $ 26,397,462  
Asset Pledged as Collateral | Unconsolidated Securitization Trusts                  
Variable Interest Entity [Line Items]                  
Total assets       $ 1,100,000   1,000,000   $ 1,000,000  
HAWT Two Thousand And Twenty One Inv One Securitization | FAM                  
Variable Interest Entity [Line Items]                  
Beneficial interest in securitized trust (in percent)               5.00%  
Cavatica Asset Participation Trust | FAR                  
Variable Interest Entity [Line Items]                  
Beneficial interest in securitized trust (in percent)     5.00% 5.00% 5.00%        
F A M Mortgage Loan                  
Variable Interest Entity [Line Items]                  
Repayments of debt $ 168,400 $ 421,800              
Principal balance of debt $ 176,300 $ 435,200              
Charge off expenses on transferred mortgage loan           0 $ 0 $ 0 $ 0
F A M Mortgage Loan | FAM | Financial Asset 60 Days Or Less Past Due                  
Variable Interest Entity [Line Items]                  
Mortgage loans transferred to unconsolidated securitization trusts amount       $ 700   0   0  
Agricultural loans | Cavatica Asset Participation Trust                  
Variable Interest Entity [Line Items]                  
Consolidated balance of agricultural loans       114,100   387,400   387,400  
Agricultural loans | Cavatica Asset Participation Trust | Nonrecourse                  
Variable Interest Entity [Line Items]                  
Liability transferred to the variable interest entity, fair value amount       $ 106,800   $ 369,000   $ 369,000