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Investments | 3 Months Ended
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Mar. 31, 2023
Investments, Debt and Equity Securities [Abstract] |
Investments | 6. INVESTMENTS Debt Securities and Other Investments The following debt securities and other investments were included on the Condensed Consolidated Balance Sheets and recorded at fair value:
|  | As of March 31, 2023 |
|  | Amortized |  |  | Gross Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Corporate bonds |  | $ | 2,218 |  |  | $ | 4 |  |  | $ | (63 | ) |  | $ | 2,159 |
Municipal fixed-rate bonds |  |  | 185 |  |  |  | — |  |  |  | (4 | ) |  |  | 181 |
Asset-backed bonds |  |  | 734 |  |  |  | 1 |  |  |  | (20 | ) |  |  | 715 |
Mortgage/Agency-backed bonds |  |  | 1,699 |  |  |  | 1 |  |  |  | (82 | ) |  |  | 1,618 |
U.S. government bonds |  |  | 4,299 |  |  |  | 5 |  |  |  | (151 | ) |  |  | 4,153 |
Foreign government bonds |  |  | 406 |  |  |  | — |  |  |  | (19 | ) |  |  | 387 |
Available-for-sale debt securities held at fair value |  | $ | 9,541 |  |  | $ | 11 |  |  | $ | (339 | ) |  | $ | 9,213 |
|  | As of December 31, 2022 |
|  | Amortized |  |  | Gross Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gains |  |  | Losses |  |  | Value |
Corporate bonds |  | $ | 2,538 |  |  | $ | 5 |  |  | $ | (81 | ) |  | $ | 2,462 |
Municipal fixed-rate bonds |  |  | 185 |  |  |  | — |  |  |  | (5 | ) |  |  | 180 |
Asset-backed bonds |  |  | 818 |  |  |  | 1 |  |  |  | (24 | ) |  |  | 795 |
Mortgage/Agency-backed bonds |  |  | 1,853 |  |  |  | — |  |  |  | (105 | ) |  |  | 1,748 |
U.S. government bonds |  |  | 3,870 |  |  |  | 3 |  |  |  | (188 | ) |  |  | 3,685 |
Foreign government bonds |  |  | 407 |  |  |  | — |  |  |  | (24 | ) |  |  | 383 |
Available-for-sale debt securities held at fair value |  | $ | 9,671 |  |  | $ | 9 |  |  | $ | (427 | ) |  | $ | 9,253 |
The contractual maturities related to debt securities and other investments were as follows:
|  | As of March 31, 2023
(In thousands) |  | Corporate bonds |  |  | Municipal fixed-rate bonds |  |  | Asset- backed bonds |  |  | Mortgage/ Agency- backed bonds |  |  | U.S. government bonds |  |  | Foreign government bonds |  |
Less than one year |  | $ | 369 |  |  | $ | 181 |  |  | $ | — |  |  | $ | — |  |  | $ | 508 |  |  | $ | — |  |
One to two years |  |  | 966 |  |  |  | — |  |  |  | 169 |  |  |  | 166 |  |  |  | 3,174 |  |  |  | 387 |  |
Two to three years |  |  | 824 |  |  |  | — |  |  |  | 49 |  |  |  | 600 |  |  |  | 348 |  |  |  | — |  |
Three to five years |  |  | — |  |  |  | — |  |  |  | 337 |  |  |  | 242 |  |  |  | 123 |  |  |  | — |  |
Five to ten years |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 238 |  |  |  | — |  |  |  | — |  |
More than ten years |  |  | — |  |  |  | — |  |  |  | 160 |  |  |  | 372 |  |  |  | — |  |  |  | — |  |
Total |  | $ | 2,159 |  |  | $ | 181 |  |  | $ | 715 |  |  | $ | 1,618 |  |  | $ | 4,153 |  |  | $ | 387 |  |
Actual maturities may differ from contractual maturities as some borrowers have the right to call or prepay obligations with or without call or prepayment penalties. Realized gains and losses on sales of debt securities are computed under the specific identification method. The following table presents the gross realized gains and losses related to its debt securities:
|  | Three Months Ended |
|  | March 31, |
(In thousands) |  | 2023 |  |  | 2022 |
Gross realized gain on debt securities |  | $ | 4 |  |  | $ | 12 |
Gross realized loss on debt securities |  |  | (11 | ) |  |  | (40 | )
Total (loss) gain recognized, net |  | $ | (7 | ) |  | $ | (28 | )
Income generated from available-for-sale debt securities was recorded as interest and dividend income in the Condensed Consolidated Statements of Loss. No allowance for credit losses was recorded for the three months ended March 31, 2023 and 2022 related to available-for-sale debt securities. The Company’s investment policy provides limitations for issuer concentration, which limits, at the time of purchase, the concentration in any one issuer to 5% of the market value of its total investment portfolio. The Company did no t purchase any available-for-sale debt security with credit deterioration during the three months ended March 31, 2023. Realized and unrealized gains and losses related to marketable equity securities were as follows:
|  | Three Months Ended |
|  | March 31, |
(In thousands) |  | 2023 |  |  | 2022 |
Realized (loss) gain on equity securities sold |  | $ | 13 |  |  | $ | (25 | )
Unrealized (loss) gain on equity securities held |  |  | 1,246 |  |  |  | (3,362 | )
Total (loss) gain recognized, net |  | $ | 1,259 |  |  | $ | (3,387 | )
Income generated from marketable equity securities was recorded as interest and dividend income in the Condensed Consolidated Statements of Loss. U.S. GAAP establishes a three-level valuation hierarchy based upon observable and unobservable inputs for fair value measurement of financial instruments: • Level 1 – Observable outputs; values based on unadjusted quoted prices for identical assets or liabilities in an active market; • Level 2 – Significant inputs that are observable; values based on quoted prices in markets that are not active or model inputs that are observable either directly or indirectly; • Level 3 – Significant unobservable inputs; values based on prices or valuation techniques that require inputs that are both unobservable and significant to the overall fair value measurement. These inputs could include information supplied by investees. The Company’s cash equivalents and investments held at fair value are categorized into this hierarchy as follows:
|  |  |  |  | Fair Value Measurements as of March 31, 2023 Using |
(In thousands) |  | Fair Value |  |  | Quoted Prices in Active Market for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
US government securities |  | $ | 175 |  |  | $ | 175 |  |  | $ | — |  |  | $ | — |
Money market funds |  |  | 243 |  |  |  | 243 |  |  |  | — |  |  |  | — |
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 2,159 |  |  |  | — |  |  |  | 2,159 |  |  |  | — |
Municipal fixed-rate bonds |  |  | 181 |  |  |  | — |  |  |  | 181 |  |  |  | — |
Asset-backed bonds |  |  | 715 |  |  |  | — |  |  |  | 715 |  |  |  | — |
Mortgage/Agency-backed bonds |  |  | 1,618 |  |  |  | — |  |  |  | 1,618 |  |  |  | — |
U.S. government bonds |  |  | 4,153 |  |  |  | 4,153 |  |  |  | — |  |  |  | — |
Foreign government securities |  |  | 387 |  |  |  | — |  |  |  | 387 |  |  |  | — |
Marketable equity securities |  |  |  |  |  |  |  |  |  |  |  |
Marketable equity securities – various industries |  |  | 821 |  |  |  | 821 |  |  |  | — |  |  |  | — |
Deferred compensation plan assets |  |  | 24,013 |  |  |  | 24,013 |  |  |  | — |  |  |  | — |
Total |  | $ | 34,465 |  |  | $ | 29,405 |  |  | $ | 5,060 |  |  | $ | — |
|  |  |  |  | Fair Value Measurements as of December 31, 2022 Using |
(In thousands) |  | Fair Value |  |  | Quoted Prices in Active Market for Identical Assets (Level 1) |  |  | Significant Other Observable Inputs (Level 2) |  |  | Significant Unobservable Inputs (Level 3) |
Cash equivalents |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | $ | 228 |  |  | $ | 228 |  |  | $ | — |  |  | $ | — |
Available-for-sale debt securities |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  |  | 2,462 |  |  |  | — |  |  |  | 2,462 |  |  |  | — |
Municipal fixed-rate bonds |  |  | 180 |  |  |  | — |  |  |  | 180 |  |  |  | — |
Asset-backed bonds |  |  | 795 |  |  |  | — |  |  |  | 795 |  |  |  | — |
Mortgage/Agency-backed bonds |  |  | 1,748 |  |  |  | — |  |  |  | 1,748 |  |  |  | — |
U.S. government bonds |  |  | 3,685 |  |  |  | 3,685 |  |  |  | — |  |  |  | — |
Foreign government bonds |  |  | 383 |  |  |  | — |  |  |  | 383 |  |  |  | — |
Marketable equity securities |  |  |  |  |  |  |  |  |  |  |  |
Marketable equity securities – various industries |  |  | 804 |  |  |  | 804 |  |  |  | — |  |  |  | — |
Deferred compensation plan assets |  |  | 22,942 |  |  |  | 22,942 |  |  |  | — |  |  |  | — |
Total |  | $ | 33,227 |  |  | $ | 27,659 |  |  | $ | 5,568 |  |  | $ | — |
The fair value of its Level 2 securities is calculated using a weighted average market price for each security. Market prices are obtained from a variety of industry standard data providers, large financial institutions and other third-party sources. These multiple market prices are used as inputs into a distribution-curve-based algorithm to determine the daily market value of each security.

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- Definition The entire disclosure for investments in certain debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2209399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 946 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2324412 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI https://asc.fasb.org/topic&trid=2196928 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 320 -URI https://asc.fasb.org/subtopic&trid=2176304 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 1403 -Paragraph (b) + Details
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