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Fair Value of Financial Instruments - Assets and Liabilities Carried at Fair Value on a Recurring Basis, Classified Within Level 3 (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Trust Preferred Securities [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Beginning balance | $ 1,434 | $ 1,662 | $ 1,516 | $ 1,695
Net (loss) gain from fair value adjustment of financial assets | 16 | (171) | (67) | (206)
Increase (decrease) in accrued interest | 1 | 3 | 2 | 5
Ending balance | 1,451 | 1,494 | 1,451 | 1,494
Junior Subordinated Debentures [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Beginning balance | 47,777 | 55,352 | 50,507 | 56,472
Net (gain) loss from fair value adjustment of financial liabilities | 909 | (6,293) | (2,086) | (8,049)
Increase (decrease) in accrued interest | 20 | 95 | 60 | 172
Change in unrealized (gains) losses included in other comprehensive loss | (377) | 598 | (152) | 1,157
Ending balance | 48,329 | 49,752 | 48,329 | 49,752
Changes in unrealized gains held at period end | $ 2,338 | $ 2,177 | $ 2,338 | $ 2,177

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