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Cash, Cash Equivalents and Short-Term Investments
12 Months Ended
Dec. 31, 2019
Cash and Cash Equivalents [Abstract]  
Cash, Cash Equivalents and Short-Term Investments Cash, Cash Equivalents and Short-Term Investments
The Banks are required to maintain average reserve balances with the FRB based upon a percentage of certain of the Banks' deposits. As of December 31, 2019 and 2018, the average amount required to be held before a credit for vault cash was $10.5 million and $8.2 million, respectively. Aggregate reserve balances included in cash and cash equivalents were $53.0 million and $48.0 million, respectively, as of December 31, 2019 and 2018.
Short-term investments are summarized as follows:
 
At December 31,
 
2019
 
2018
 
(In Thousands)
FRB interest bearing reserve
$
39,964

 
$
34,914

FHLB overnight deposits
4,237

 
4,628

Federal funds sold

 
2,500

Total short-term investments
$
44,201

 
$
42,042


Short-term investments are stated at cost which approximates market value.