v3.26.1
Fair Value Measurements (Details) - Recurring - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Investment securities:    
Total assets $ 2,969,954 $ 2,467,843
Agency bond securities    
Investment securities:    
Available-for-sale securities 156,408 156,975
Agency mortgage-backed securities    
Investment securities:    
Available-for-sale securities 2,438,052 1,934,918
Municipal bonds    
Investment securities:    
Available-for-sale securities 22,523 22,556
Asset-backed securities    
Investment securities:    
Available-for-sale securities 352,971 353,394
Level 1    
Investment securities:    
Total assets 0 0
Level 1 | Agency bond securities    
Investment securities:    
Available-for-sale securities 0 0
Level 1 | Agency mortgage-backed securities    
Investment securities:    
Available-for-sale securities 0 0
Level 1 | Municipal bonds    
Investment securities:    
Available-for-sale securities 0 0
Level 1 | Asset-backed securities    
Investment securities:    
Available-for-sale securities 0 0
Level 2    
Investment securities:    
Total assets 2,969,954 2,467,843
Level 2 | Agency bond securities    
Investment securities:    
Available-for-sale securities 156,408 156,975
Level 2 | Agency mortgage-backed securities    
Investment securities:    
Available-for-sale securities 2,438,052 1,934,918
Level 2 | Municipal bonds    
Investment securities:    
Available-for-sale securities 22,523 22,556
Level 2 | Asset-backed securities    
Investment securities:    
Available-for-sale securities 352,971 353,394
Level 3    
Investment securities:    
Total assets 0 0
Level 3 | Agency bond securities    
Investment securities:    
Available-for-sale securities 0 0
Level 3 | Agency mortgage-backed securities    
Investment securities:    
Available-for-sale securities 0 0
Level 3 | Municipal bonds    
Investment securities:    
Available-for-sale securities 0 0
Level 3 | Asset-backed securities    
Investment securities:    
Available-for-sale securities $ 0 $ 0