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Shareholders' Equity (Components of Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Balance at beginning of period | $ 4,498,688 | $ 4,115,995 | $ 3,691,250
Other comprehensive loss during the period, net of tax, before reclassifications | (428,844) | (30,043) | 36,843
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | (2,756) | 18,930 | 13,386
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale, net of tax | (128) | (177) | (169)
Total other comprehensive (loss) income | (431,728) | (11,290) | 50,060
Balance at end of period | 4,796,838 | 4,498,688 | 4,115,995
Accumulated Unrealized Gains (Losses) on Securities |  |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Balance at beginning of period | 8,724 | 70,737 | 14,982
Other comprehensive loss during the period, net of tax, before reclassifications | (394,332) | (61,047) | 56,086
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | (321) | (789) | (162)
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale, net of tax | (128) | (177) | (169)
Total other comprehensive (loss) income | (394,781) | (62,013) | 55,755
Balance at end of period | (386,057) | 8,724 | 70,737
Accumulated unrealized gains (losses) on derivative instruments |  |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Balance at beginning of period | 27,111 | (23,090) | (13,141)
Other comprehensive loss during the period, net of tax, before reclassifications | (17,295) | 30,482 | (23,497)
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | (2,435) | 19,719 | 13,548
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale, net of tax | 0 | 0 | 0
Total other comprehensive (loss) income | (19,730) | 50,201 | (9,949)
Balance at end of period | 7,381 | 27,111 | (23,090)
Accumulated Foreign Currency Translation Adjustments |  |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Balance at beginning of period | (31,743) | (32,265) | (36,519)
Other comprehensive loss during the period, net of tax, before reclassifications | (17,217) | 522 | 4,254
Amount reclassified from accumulated other comprehensive income or loss into net income, net of tax | 0 | 0 | 0
Amount reclassified from accumulated other comprehensive income or loss related to amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale, net of tax | 0 | 0 | 0
Total other comprehensive (loss) income | (17,217) | 522 | 4,254
Balance at end of period | (48,960) | (31,743) | (32,265)
Total Accumulated Other Comprehensive Income (Loss) |  |  |
Activity Accumulated Other Comprehensive Income [Roll Forward] |  |  |
Balance at beginning of period | 4,092 | 15,382 | (34,678)
Balance at end of period | $ (427,636) | $ 4,092 | $ 15,382

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