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v3.23.3

Fair Value Measurements (Summarize Changes in Level 3 Assets) (Details) - USD ($) | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2023 | Sep. 30, 2023 | Dec. 31, 2022
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, Impairments |  |  | $ 0
Securities transferred into or out of level 3, net | $ 0 | $ 0 |
Level 3 |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, beginning balance | 17,488,000 | 17,488,000 | 20,590,000
Assets, earnings |  | (500,000) | (6,871,000)
Assets, other comprehensive income |  | 0 | 0
Assets, Impairments |  | (7,601,000) |
Assets, purchases |  | 0 | 5,611,000
Assets, (sales) |  | 0 | (1,842,000)
Assets, maturities |  | 0 | 0
Assets. transfers out |  |  | 0
Securities transferred into or out of level 3, net |  | 0 |
Assets, ending balance |  | 9,387,000 | 17,488,000
Level 3 | Equity securities |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, beginning balance | 13,898,000 | 13,898,000 | 20,590,000
Assets, earnings |  | (428,000) | (6,692,000)
Assets, other comprehensive income |  | 0 | 0
Assets, Impairments |  | (7,601,000) | 0
Assets, purchases |  | 0 | 925,000
Assets, (sales) |  | 0 | (925,000)
Assets, maturities |  | 0 | 0
Assets. transfers out |  | 0 | 0
Assets, ending balance |  | 5,869,000 | 13,898,000
Level 3 | Common stock |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, beginning balance | 2,599,000 | 2,599,000 | 9,294,000
Assets, earnings |  | (428,000) | (6,695,000)
Assets, other comprehensive income |  | 0 | 0
Assets, Impairments |  | 0 | 0
Assets, purchases |  | 0 | 0
Assets, (sales) |  | 0 | 0
Assets, maturities |  | 0 | 0
Assets. transfers out |  | 0 | 0
Assets, ending balance |  | 2,171,000 | 2,599,000
Level 3 | Preferred stocks |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, beginning balance | 11,299,000 | 11,299,000 | 11,296,000
Assets, earnings |  | 0 | 3,000
Assets, other comprehensive income |  | 0 | 0
Assets, Impairments |  | (7,601,000) | 0
Assets, purchases |  | 0 | 925,000
Assets, (sales) |  | 0 | (925,000)
Assets, maturities |  | 0 | 0
Assets. transfers out |  | 0 | 0
Assets, ending balance |  | 3,698,000 | 11,299,000
Level 3 | Arbitrage trading account |  |  |
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Assets, beginning balance | $ 3,590,000 | 3,590,000 | 0
Assets, earnings |  | (72,000) | (179,000)
Assets, other comprehensive income |  | 0 | 0
Assets, Impairments |  | 0 |
Assets, Impairments |  |  | 0
Assets, purchases |  | 0 | 4,686,000
Assets, (sales) |  | 0 | (917,000)
Assets, maturities |  | 0 | 0
Assets. transfers out |  |  | 0
Securities transferred into or out of level 3, net |  | 0 |
Assets, ending balance |  | $ 3,518,000 | $ 3,590,000

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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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