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Cash, Cash Equivalents and Short-Term Investments
12 Months Ended
Dec. 31, 2025
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents and Short-Term Investments Cash, Cash Equivalents and Short-Term Investments
Aggregate reserve balances included in cash and cash equivalents were $1.9 billion and $0.5 billion, respectively, as of December 31, 2025 and 2024.
Short-term investments are summarized as follows:
 At December 31,
 20252024
 (In Thousands)
FRB interest bearing reserve$1,823,591 $470,706 
FHLB overnight deposits16,597 8,291 
Total short-term investments$1,840,188 $478,997 
Short-term investments are stated at cost which approximates market value.