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Fair Value (Reconciliation Of Level 3 Input For Financial Instruments Measured On Recurring Basis) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2022 | Dec. 31, 2021
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |
Investments, Fair Value Disclosure | $ 6,116 |  | $ 6,116 |  |  | $ 7,000 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Included in other comprehensive income | 6 | $ 0 | $ 16 | $ (8) |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Reconciliation Of Level 3 Input For Financial Instruments Measured On Recurring Basis |  |  | The following tables present a reconciliation of the beginning and ending balances of the Level 3 inputs for the three-month and the six-month periods ended June 30, 2023 and 2022, for financial instruments measured on a recurring basis and classified as Level 3:
Level 3 Fair Value Measurements
Three months ended June 30, 2023 and 2022
(In thousands) |  | Corporate Debt Securities |  | Equity securities |  | Fair value swap
Balance at April 1, 2023 |  | $ | 6,855 |  |  | $ | 449 |  |  | $ | (121) |
Transfer into (out of) level 3, net |  | (611) |  |  | — |  |  | — |
Total (losses) / gains |  |  |  |  |  |
Included in other income / other expense |  | — |  |  | 6 |  |  | (175) |
Included in other comprehensive income |  | (128) |  |  | — |  |  | — |
Balance at June 30, 2023 |  | $ | 6,116 |  |  | $ | 455 |  |  | $ | (296) |
Balance at April 1, 2022 |  | $ | — |  |  | $ | 491 |  |  | $ | (226) |
Total losses |  |  |  |  |  |
Included in other income / other expense |  | — |  |  | — |  |  | (221) |
Balance at June 30, 2022 |  | $ | — |  |  | $ | 491 |  |  | $ | (447) |
Level 3 Fair Value Measurements
Six months ended June 30, 2023 and 2022
(In thousands) |  | Corporate Debt Securities |  | Equity securities |  | Fair value swap
Balance at January 1, 2023 |  | $ | 7,000 |  |  | $ | 439 |  |  | $ | (243) |
Transfers into (out of) level 3, net |  | 11 |  |  | — |  |  | — |
Total (losses) / gains |  |  |  |  |  |
Included in other income / other expense |  | — |  |  | 16 |  |  | (175) |
Included in other comprehensive income |  | (895) |  |  | — |  |  | — |
Purchases, sales, issuances and settlements, other, net |  | — |  |  | — |  |  | 122 |
Balance at June 30, 2023 |  | $ | 6,116 |  |  | $ | 455 |  |  | $ | (296) |
Balance at January 1, 2022 |  | $ | — |  |  | $ | 499 |  |  | $ | (226) |
Total losses |  |  |  |  |  |
Included in other income / other expense |  | — |  |  | (8) |  |  | (221) |
Balance at June 30, 2022 |  | $ | — |  |  | $ | 491 |  |  | $ | (447) |
Equity Securities [Member] |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Included in other comprehensive income |  | 0 |  |  |  |  |  |
Swap [Member] |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Included in other comprehensive income |  | (221) |  |  |  |  |  |
Corporate Debt Securities |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |
Investments, Fair Value Disclosure | 15,508 |  | $ 15,508 |  |  | 16,472 |  |
Fair Value, Recurring [Member] | Equity Securities [Member] |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |
Investments, Fair Value Disclosure | 2,720 |  | 2,720 |  |  | 1,859 |  |
Fair Value, Inputs, Level 3 [Member] | Corporate Debt Securities |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Other Comprehensive Income (Loss) | (128) |  | (895) |  |  |  |  |
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 | (611) |  | 11 |  |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Equity Securities [Member] |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] |  |  |  |  |  |  |  |
Investments, Fair Value Disclosure | 455 |  | 455 |  |  | 439 |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning | 455 | 491 | 455 | 491 | $ 449 | 439 | $ 491 | $ 499
Balance, ending | 455 | 491 | 455 | 491 | 449 | 439 | 491 | 499
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Swap [Member] |  |  |  |  |  |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning | (296) | (447) | (296) | (447) | (121) | (243) | (226) | (226)
Included in other comprehensive income | (175) |  | (175) | (221) |  |  |  |
Balance, ending | (296) | (447) | (296) | (447) | (121) | (243) | (226) | (226)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) |  |  | 122 |  |  |  |  |
Fair Value, Inputs, Level 3 [Member] | Fair Value, Recurring [Member] | Corporate Debt Securities |  |  |  |  |  |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |  |  |  |  |  |
Balance, beginning | 6,116 | 0 | 6,116 | 0 | 6,855 | 7,000 | 0 | 0
Balance, ending | $ 6,116 | $ 0 | $ 6,116 | $ 0 | $ 6,855 | $ 7,000 | $ 0 | $ 0

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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