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Capitalized Mortgage Servicing Rights (Tables)
9 Months Ended
Sep. 30, 2024
Transfers and Servicing [Abstract]  
Summary of Capitalized MSR Activity
A summary of our capitalized MSR activity is as follows (in thousands):
Three Months Ended September 30, 2024Nine Months Ended September 30, 2024
OriginatedAcquiredTotalOriginatedAcquiredTotal
Beginning balance$374,159 $6,560 $380,719 $382,582 $8,672 $391,254 
Additions14,476 — 14,476 41,877 — 41,877 
Amortization(16,621)(678)(17,299)(48,593)(2,224)(50,817)
Write-downs and payoffs(1,469)(24)(1,493)(5,321)(590)(5,911)
Ending balance$370,545 $5,858 $376,403 $370,545 $5,858 $376,403 
Three Months Ended September 30, 2023Nine Months Ended September 30, 2023
Beginning balance$383,267 $11,143 $394,410 $386,878 $14,593 $401,471 
Additions16,550 — 16,550 49,416 — 49,416 
Amortization(14,988)(912)(15,900)(43,866)(3,054)(46,920)
Write-downs and payoffs(2,400)(457)(2,857)(9,999)(1,765)(11,764)
Ending balance$382,429 $9,774 $392,203 $382,429 $9,774 $392,203 
Summary of Expected Amortization of Capitalized MSRs
The expected amortization of capitalized MSRs recorded at September 30, 2024 is as follows (in thousands):
YearAmortization
2024 (three months ending 12/31/2024)$17,557 
202567,899 
202662,456 
202757,942 
202850,678 
Thereafter119,871 
Total$376,403