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Investments
 12 Months Ended
Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]  
Investments

4. Investments:

 

Investments held are summarized as follows (in thousands):

 

 

 

December 31,

 

 

 

2023

 

 

2022

 

Corporate securities

 

$

57,878

 

 

$

61,385

 

U.S. Treasury securities

 

 

22,674

 

 

 

10,205

 

Municipal debt securities

 

 

14,649

 

 

 

14,377

 

Federal home loan securities

 

 

5,670

 

 

 

3,562

 

Certificates of deposit

 

 

3,614

 

 

 

3,710

 

 

 

$

104,485

 

 

$

93,239