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Note 13 - Fair Value Measurements | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] |
(13) | FAIR VALUE MEASUREMENTS
We account for certain assets and liabilities at fair value. The hierarchy below lists three levels of fair value based on the extent to which inputs used in measuring fair value are observable in the market. We categorize each of our fair value measurements in one of these three levels based on the lowest level input that is significant to the fair value measurement in its entirety. These levels are: Level 1: Unadjusted quoted prices in active markets that are accessible at the measurement date for identical, unrestricted assets or liabilities. We consider active markets as those in which transactions for the assets or liabilities occur in sufficient frequency and volume to provide pricing information on an ongoing basis. We have no Level 1 instruments. Level 2: Quoted prices in markets that are not active, or inputs which are observable, either directly or indirectly, for substantially the full term of the asset or liability. We have no Level 2 instruments. Level 3: Measured based on prices or valuation models that require inputs that are both significant to the fair value measurement and less observable from objective sources (i.e., supported by little or no market activity). Our Level 3 instruments are comprised of interest rate swaps and impairment measurements. The fair values of our swaps were estimated using discounted cash flow calculations based upon forward interest-rate yield curves. The notional values of our two interest rate swaps were $52.7 million and $22.1 million as of March 31, 2022, both with maturities of May 2022. Although we utilize third-party broker quotes to assess the reasonableness of our prices and valuation, we do not have sufficient corroborating market evidence to support classifying these assets and liabilities as Level 2. Certain properties' asset retirement obligation liabilities use Level 3 non-recurring fair value measures. The following table summarizes our financial assets and liabilities measured on a recurring basis at fair value at March 31, 2022, and December 31, 2021, by the respective level of the fair value hierarchy (in thousands):
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
December 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | — |  |  | $ | — |  |  | $ | 867 |  |  | $ | 867 |
March 31, 2022 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swaps |  | $ | — |  |  | $ | — |  |  | $ | 250 |  |  | $ | 250 |
The table below highlights the change in fair value of the fuel hedges and interest rate swaps which are based on a discounted future cash flow model (in thousands):
Ending balance, December 31, 2021 |  | $ | (867 | )
Change in estimated fair value |  |  | 617 |
Ending balance, March 31, 2022* |  | $ | (250 | )
*Recorded in accounts payable and accrued liabilities in the Condensed Consolidated Balance Sheets.

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- Definition The entire disclosure of the fair value measurement of assets and liabilities, which includes financial instruments measured at fair value that are classified in shareholders' equity, which may be measured on a recurring or nonrecurring basis. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -URI https://asc.fasb.org/topic&trid=2155941 + Details
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