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Shareholders' Equity - Schedule of Minimum Required Capital Amounts and Ratios for Well Capitalized Institutions and The Actual Capital Amounts and Ratios for The Company and The Bank (Details) $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
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Minimum required capital amounts and ratios for well capitalized institutions and the actual capital amounts [Line Items] |  |  |  |
Common Shareholders’ Equity | $ 1,667,774 | $ 1,414,242 | $ 1,316,995 | $ 1,611,611
Well Capitalized Minimum Common Equity Tier One Ratio (as a percent) | 0.065 | 0.065 |  |
Well Capitalized Minimum Tier 1 Capital Ratio (as a percent) | 0.080 | 0.080 |  |
Well Capitalized Minimum Total Capital Ratio (as a percent) | 0.100 | 0.100 |  |
Well Capitalized Minimum Tier 1 Leverage Ratio (as a percent) | 0.050 | 0.050 |  |
Parent [Member] |  |  |  |
Minimum required capital amounts and ratios for well capitalized institutions and the actual capital amounts [Line Items] |  |  |  |
Common Shareholders’ Equity | $ 1,322,774 | $ 1,238,756 |  |
Common Equity Tier One Capital | 1,648,889 | 1,611,645 |  |
Tier 1 Capital | 1,984,990 | 1,787,132 |  |
Total Capital | $ 2,133,624 | $ 1,935,532 |  |
Common Equity Tier 1 Capital Ratio | 0.1159 | 0.1133 |  |
Tier 1 Capital Ratio (as a percent) | 0.1395 | 0.1256 |  |
Total Capital Ratio (as a percent) | 0.1500 | 0.1360 |  |
Tier 1 Leverage Ratio (as a percent) | 0.0831 | 0.0751 |  |
Subsidiaries [Member] |  |  |  |
Minimum required capital amounts and ratios for well capitalized institutions and the actual capital amounts [Line Items] |  |  |  |
Common Shareholders’ Equity | $ 1,540,431 | $ 1,369,733 |  |
Common Equity Tier One Capital | 1,869,247 | 1,754,222 |  |
Tier 1 Capital | 1,869,247 | 1,754,222 |  |
Total Capital | $ 2,017,881 | $ 1,902,622 |  |
Common Equity Tier 1 Capital Ratio | 0.1316 | 0.1233 |  |
Tier 1 Capital Ratio (as a percent) | 0.1316 | 0.1233 |  |
Total Capital Ratio (as a percent) | 0.1420 | 0.1338 |  |
Tier 1 Leverage Ratio (as a percent) | 0.0783 | 0.0738 |  |

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