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Derivative Financial Instruments - Schedule of Amounts in Accumulated Other Comprehensive Income Related to Interest Rate Swaps Designated as Cash Flow Hedges (Details) - Interest rate contract - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Rollforward of AOCI from Cash Flow Hedging Derivatives [Roll Forward] |  |  |  |
Unrealized (loss) gain at beginning of period | $ (61,739) | $ 78,764 | $ 10,026 | $ 36,908
Amount reclassified from accumulated other comprehensive income or loss to interest income or expense on deposits, loans, and other borrowings | 18,374 | (5,451) | 36,038 | 914
Amount of loss recognized in other comprehensive income or loss | (61,456) | (70,990) | (150,885) | (35,499)
Unrealized (loss) gain at end of period | $ (104,821) | $ 2,323 | $ (104,821) | $ 2,323

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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-11 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 15 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-15 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Accounting Standards Codification -Section 50 -Paragraph 4C -Subparagraph (c) -SubTopic 10 -Topic 815 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4C + Details
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