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Summary of Significant Accounting Policies and New Accounting Guidance - Goodwill and Other Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Accounting Policies [Abstract]
Goodwill	$ 22,421,000	$ 22,421,000	$ 22,421,000
Goodwill impairment	$ 0	$ 0	$ 0

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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