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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2021
Fair Value Disclosures [Abstract]  
Schedule of Fair Value Measurements, Recurring and Nonrecurring The following tables present our assets measured at fair value on a recurring basis as of December 31, 2021 and 2020 classified by the input method used to measure fair value:
Level 1Level 2Level 3
December 31, 2021
Investments:
Money Market Funds$949 $ $ 
Mutual Funds5,432   
Corporate Debt Securities 1,333  
Government-Backed and Government-Sponsored Enterprises’ Debt Securities 7,869  
Derivative Instruments 6,214  
Total Assets$6,381 $15,416 $ 
December 31, 2020
Investments:
Money Market Funds$4,075 $— $— 
Mutual Funds1,662 — — 
Corporate Debt Securities— 2,627 — 
Government-Backed and Government-Sponsored Enterprises’ Debt Securities— 6,633 — 
Total Assets$5,737 $9,260 $— 
Schedule of Fair Value of Assets and Liabilities The following reflects the carrying value and estimated fair value of these assets and liabilities as of December 31, 2021 and 2020:
 December 31, 2021December 31, 2020
(in thousands)Carrying
Amount
Fair ValueCarrying
Amount
Fair Value
Assets:
Cash and Cash Equivalents$1,537 $1,537 $1,163 $1,163 
Total1,537 1,537 1,163 1,163 
Liabilities:
Short-Term Debt91,163 91,163 80,997 80,997 
Long-Term Debt763,997 878,272 764,519 858,455 
Total$855,160 $969,435 $845,516 $939,452