Fair Value Measurements (Summarize Changes in Level 3 Assets and Liabilities) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Liabilities:
Fair Value Recurring Basis Unobservable Input Reconciliation Asset Gain Loss Statement Of Income Extensible List Not Disclosed Flag	Earnings (Losses)	Earnings (Losses)
Level 3
Assets:
Beginning Balance	$ 20,590	$ 19,546
Earnings (Losses)	(6,871)	613
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	5,610	2,000
Sales	(1,842)	(1,569)
Paydowns/Maturities	0	0
Transfers In / Out	1	0
Ending Balance	17,488	20,590
Liabilities:
Beginning Balance	0	0
Earnings (Losses)	0	1
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	0	(1)
Sales	0	0
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	0	0
Level 3 \| Debt Securities
Assets:
Beginning Balance	0	1,000
Earnings (Losses)	0	0
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	0	0
Sales	0	(1,000)
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	0	0
Level 3 \| Corporate
Assets:
Beginning Balance	0	1,000
Earnings (Losses)	0	0
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	0	0
Sales	0	(1,000)
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	0	0
Level 3 \| Equity securities
Assets:
Beginning Balance	20,590	18,546
Earnings (Losses)	(6,692)	605
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	925	2,000
Sales	(925)	(561)
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	13,898	20,590
Level 3 \| Common stocks
Assets:
Beginning Balance	9,294	9,215
Earnings (Losses)	(6,695)	640
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	0	0
Sales	0	(561)
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	2,599	9,294
Level 3 \| Preferred stocks
Assets:
Beginning Balance	11,296	9,331
Earnings (Losses)	3	(35)
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	925	2,000
Sales	(925)	0
Paydowns/Maturities	0	0
Transfers In / Out	0	0
Ending Balance	11,299	11,296
Level 3 \| Trading account
Assets:
Beginning Balance	0	0
Earnings (Losses)	(179)	8
Other Comprehensive Income (Losses)	0	0
Impairments	0	0
Purchases	4,685	0
Sales	(917)	(8)
Paydowns/Maturities	0	0
Transfers In / Out	1	0
Ending Balance	$ 3,590	$ 0

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3).

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Amount of purchases of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of transfer of financial instrument classified as an asset into (out of) level 3 of the fair value hierarchy.

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Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

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Amount of gain (loss) recognized in other comprehensive income (OCI) from liability measured at fair value on recurring basis using unobservable input (level 3).

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Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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Fair Value, Impairment of Intangible Assets (Excluding Goodwill)

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