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Cash, Cash Equivalents and Short-Term Investments | 12 Months Ended
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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,
| 2025 |  | 2024
| (In Thousands)
FRB interest bearing reserve | $ | 1,823,591 |  |  | $ | 470,706 |
FHLB overnight deposits | 16,597 |  |  | 8,291 |
Total short-term investments | $ | 1,840,188 |  |  | $ | 478,997 |
Short-term investments are stated at cost which approximates market value.

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- Definition The entire disclosure of cash, cash equivalent, and short-term investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent + Details
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