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Accumulated Other Comprehensive Income or Loss and Earnings Per Share - Schedule of Components of Other Comprehensive Income or Loss (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |
Beginning balance | $ 6,344,297 | $ 5,399,526
Other comprehensive income (loss) during the period, net of tax, before reclassifications | 93,853 | (138,475)
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | 4,475 | 14,595
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized losses on investment securities transferred to held-to-maturity from available-for-sale, net of tax | (8) | (37)
Net other comprehensive income (loss) during the period, net of tax | 98,320 | (123,917)
Ending balance | 6,600,537 | 5,436,400
Total Accumulated Other Comprehensive (Loss) Income |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |
Beginning balance | (508,335) | (361,231)
Ending balance | (410,015) | (485,148)
Accumulated Unrealized (Losses) Gains on Securities |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |
Beginning balance | (429,580) | (350,697)
Other comprehensive income (loss) during the period, net of tax, before reclassifications | 55,371 | (57,287)
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | 223 | 19
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized losses on investment securities transferred to held-to-maturity from available-for-sale, net of tax | (8) | (37)
Net other comprehensive income (loss) during the period, net of tax | 55,586 | (57,305)
Ending balance | (373,994) | (408,002)
Accumulated Unrealized Gains (Losses) on Derivative Instruments |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |
Beginning balance | (11,227) | 32,049
Other comprehensive income (loss) during the period, net of tax, before reclassifications | 38,722 | (74,954)
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | 4,252 | 14,576
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized losses on investment securities transferred to held-to-maturity from available-for-sale, net of tax | 0 | 0
Net other comprehensive income (loss) during the period, net of tax | 42,974 | (60,378)
Ending balance | 31,747 | (28,329)
Accumulated Foreign Currency Translation Adjustments |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |
Beginning balance | (67,528) | (42,583)
Other comprehensive income (loss) during the period, net of tax, before reclassifications | (240) | (6,234)
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | 0 | 0
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized losses on investment securities transferred to held-to-maturity from available-for-sale, net of tax | 0 | 0
Net other comprehensive income (loss) during the period, net of tax | (240) | (6,234)
Ending balance | $ (67,768) | $ (48,817)

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