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FAIR VALUE MEASUREMENTS
3 Months Ended
Mar. 31, 2021
FAIR VALUE MEASUREMENTS [Abstract]  
FAIR VALUE MEASUREMENTS Note 5: Fair Value Measurements

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date. The fair value hierarchy prioritizes the inputs to valuation techniques used to measure fair value into three broad levels as described below:

Level 1: Quoted prices in active markets for identical assets or liabilities

Level 2: Inputs that are derived principally from or corroborated by observable market data

Level 3: Inputs that are unobservable and significant to the overall fair value measurement

Our assets subject to fair value measurement on a recurring basis are summarized below:

Level 1 Fair Value

March 31

December 31

March 31

in thousands

2021

2020

2020

Fair Value Recurring

Rabbi Trust

Mutual funds

$       28,565 

$       28,058 

$       19,001 

Total

$       28,565 

$       28,058 

$       19,001 

Level 2 Fair Value

March 31

December 31

March 31

in thousands

2021

2020

2020

Fair Value Recurring

Rabbi Trust

Money market mutual fund

$           347 

$           837 

$           520 

Total

$           347 

$           837 

$           520 

We have two Rabbi Trusts for the purpose of providing a level of security for the employee nonqualified retirement and deferred compensation plans and for the directors' nonqualified deferred compensation plans. The fair values of these investments are estimated using a market approach. The Level 1 investments include mutual funds for which quoted prices in active markets are available. Level 2 investments are stated at estimated fair value based on the underlying investments in the fund (short-term, highly liquid assets in commercial paper, short-term bonds and certificates of deposit).

Net gains (losses) of the Rabbi Trusts’ investments were $1,986,000 and $(5,060,000) for the three months ended March 31, 2021 and 2020, respectively. The portions of the net gains (losses) related to investments still held by the Rabbi Trusts at March 31, 2021 and 2020 were $1,633,000 and $(5,060,000), respectively.

The carrying values of our cash equivalents, restricted cash, accounts and notes receivable, short-term debt, trade payables and accruals, and all other current liabilities approximate their fair values because of the short-term nature of these instruments. Additional disclosures for derivative instruments and interest-bearing debt are presented in Notes 6 and 7, respectively.