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Fair Value Measurements | 12 Months Ended
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Dec. 31, 2022
Fair Value Disclosures [Abstract] |
Fair Value Measurements | Fair Value Measurements Fair value is an exit price representing the expected amount that an entity would receive to sell an asset or pay to transfer a liability in an orderly transaction with market participants at the measurement date. We followed consistent methods and assumptions to estimate fair values as more fully described in Note 1. Preferred Stock Related Derivatives Certain features were bifurcated and accounted for separately from the Series B Preferred Stock. The following features were recorded as derivatives. •Warrants. In conjunction with our placement of the Series B Preferred Stock, we issued detachable warrants to purchase up to 1.5 million shares of our common stock (the “2019 Warrants”), which are exercisable, in full or in part, at any time prior to December 11, 2026. The original exercise price was $12.00 per share, subject to anti-dilution adjustments in the event of future below market issuances, stock splits, stock dividends, combinations or similar events. The issuance of the 2021 Warrants resulted in an adjusted exercise price of $11.49 per share for the 2019 Warrants because the new warrants have an exercise price below market value. Certain features were bifurcated and accounted for separately from the Series D Preferred Stock. The following features were recorded as derivatives. •Warrants. In conjunction with our placement of the Series D Preferred Stock, we issued detachable warrants to purchase up to 1.9 million shares of our common stock. The 2021 Warrants are exercisable, in full or in part, at any time prior to March 22, 2027, at an exercise price of $0.01 per share, subject to anti-dilution adjustments in the event of certain future equity issuances, stock splits, stock dividends, combinations or similar events. •Change-in-control put feature. The Series D Preferred Stock includes a put feature that allows the holder to redeem the Series D Preferred Stock upon a change in control at the greater of 1) the liquidation preference plus accrued dividends or 2) 140% of the liquidation preference. The put feature is considered a redemption right at a premium and is not clearly and closely related to the debt host. The following table presents the changes in liability balance of the preferred stock related derivatives.
| Years Ended December 31,
| 2022 |  | 2021
Balance at beginning of year | $ | 8,224 |  |  | $ | 3,117 |
Issuances | — |  |  | 15,121 |
Change in fair value (1) | (5,265) |  |  | (7,009) |
Settlements | — |  |  | (3,005) |
Balance at end of year | $ | 2,959 |  |  | $ | 8,224 |
_______________________________ (1) Changes in the fair value are recognized in the “Other income, net” line in the Consolidated Statements of Operations and Comprehensive Income (Loss). The following tables show the fair values of the preferred stock related derivatives within the fair value hierarchy.
December 31, 2022 | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Derivative liability - other non-current liabilities | 2,831 |  |  | — |  |  | 128 |
December 31, 2021 | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Derivative liability - other non-current liabilities | 7,771 |  |  | — |  |  | 453 |
The fair value of the 2019 Warrants is determined using a valuation model that utilizes unobservable inputs to determine the probability that the 2019 Warrants will remain outstanding for future periods. The probabilities resulted in a weighted average term of 2.9 years as of December 31, 2022 and 3.6 years as of December 31, 2021. The fair value of the 2021 Warrants is determined using the observable market price of a share of our common stock, less the $0.01 per share exercise price. The fair value of the change-in-control put feature utilizes unobservable inputs based on the Company’s assessment of the probability of a change-in-control event occurring in a future period. The probability of a change-in-control event ranged from 3% to 10% as of December 31, 2022 and 1% to 10% as of December 31, 2021. Interest Rate Swaps We manage our exposure to fluctuations in interest rates using a mix of fixed and variable rate debt. We utilize fixed-rate interest rate swap agreements to change the variable interest rate to a fixed rate on a portion of our variable rate debt. On July 22, 2021, we entered into a fixed-rate interest rate swap agreement to change the LIBOR-based component of the interest rate on a portion of our variable rate debt to a fixed rate of 1.291% (the “2021 Swap”). The 2021 Swap has a notional amount of $60.0 million and a maturity date of July 31, 2024. The objective of the 2021 Swap is to eliminate the variability of cash flows in interest payments on the first $60.0 million of variable rate debt attributable to changes in benchmark one-month LIBOR interest rates. The hedged risk is the interest rate risk exposure to changes in interest payments, attributable to changes in benchmark one-month LIBOR interest rates over the interest rate swap term. The changes in cash flows of the interest rate swap are expected to exactly offset changes in cash flows of the variable rate debt. We designated the 2021 Swap as a cash flow hedge at inception. Cash settlements of the 2021 Swap are recognized in interest expense. On February 8, 2019, we entered into a $700.0 million fixed-rate interest rate swap agreement that changed the LIBOR-based portion of the interest rate on a portion of our variable rate debt to a fixed rate of 2.4575% (the “2019 Swap”). On March 22, 2021, we terminated the 2019 Swap with a $13.7 million cash payment in connection with the extinguishment of our previously outstanding long-term variable-rate debt. The 2019 Swap was designated as a cash flow hedge at inception. However, in the fourth quarter of 2020, the 2019 Swap no longer qualified as an effective hedge, and subsequent changes in fair value of the 2019 Swap were recognized in earnings. Amounts recognized in earnings related to the 2019 Swap are recorded in the “Loss on interest rate swap” line on the Consolidated Statements of Operations and Comprehensive Income (Loss) except that cash settlements prior to termination are recognized in “Derivative payments on interest rate swap.” Cash settlements during 2021 and the fourth quarter of 2020 are presented in investing activities on the Consolidated Statements of Cash Flows. The following table presents the effect of the interest rate swaps on the Consolidated Statements of Operations and Comprehensive Income (Loss).
| Years Ended December 31,
| 2022 |  | 2021 |  | 2020
Interest expense (benefit) (1) | $ | (428) |  |  | $ | 73 |  |  | $ | 8,906 |
Derivative payments on interest rate swap (2) | — |  |  | 1,717 |  |  | 4,133 |
Loss on interest rate swap (2) | — |  |  | 2,033 |  |  | 11,669 |
_______________________________ (1) Represents settlements on the interest rate swaps while the hedges are effective. (2) Represents settlements and changes in fair value on the 2019 Swap while the hedge was ineffective. As of December 31, 2022 and 2021, we reported a $3.1 million gain and a $0.1 million gain, respectively, net of tax, in accumulated other comprehensive income related to the interest rate swap. The following tables show the fair values of the interest rate swaps within the fair value hierarchy.
December 31, 2022 | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Derivative asset - other current assets | $ | — |  |  | $ | 2,130 |  |  | $ | — |
Derivative asset - other non-current assets | — |  |  | 1,023 |  |  | — |
Total | $ | — |  |  | $ | 3,153 |  |  | $ | — |
December 31, 2021 | Quoted Prices in Active Markets for Identical Assets (Level 1) |  | Significant Other Observable Inputs (Level 2) |  | Significant Unobservable Inputs (Level 3)
Derivative asset - other non-current assets | $ | — |  |  | $ | 284 |  |  | $ | — |
Derivative liability - other current liabilities | — |  |  | (129) |  |  | — |
Total | $ | — |  |  | $ | 155 |  |  | $ | — |
The fair value of the interest rate swap is calculated through standard pricing models which use inputs derived from or corroborated by observable market data such as interest rate yield curves, index forward curves, discount curves, and volatility surfaces. The counterparty to these derivative contracts is a highly rated financial institution which we believe carries only a minimal risk of nonperformance. Fair Value Disclosures Our financial instruments that are subject to fair value disclosure consist of cash and cash equivalents, accounts receivable, accounts payable, and debt. As of December 31, 2022, the carrying values of these financial instruments, except for debt, approximated fair value.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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