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Securities - Schedule of Credit Quality Indicators of Held-To-Maturity Securities at Amortized Cost (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | $ 1,843,991 | $ 1,867,848
U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 275,854 | 278,383
State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 1,039,749 | 1,048,862
U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 343,057 | 349,726
Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 28,558 | 29,278
Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 156,773 | 161,599
AAA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 643,250 | 652,633
AAA | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AAA | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 271,635 | 273,629
AAA | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 343,057 | 349,726
AAA | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 28,558 | 29,278
AAA | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 976,763 | 982,987
AA | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 275,854 | 278,383
AA | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 694,742 | 698,428
AA | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
AA | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 6,167 | 6,176
A |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 79,775 | 77,628
A | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 68,297 | 66,079
A | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
A | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 11,478 | 11,549
BBB |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 78,643 | 86,329
BBB | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 3,204 | 10,726
BBB | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BBB | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 75,439 | 75,603
BB |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 4,543
BB | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
BB | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 4,543
Not Rated |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 65,560 | 63,728
Not Rated | U.S. Treasury, federal agencies, and government sponsored agencies |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | State and municipal |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 1,871 | 0
Not Rated | U.S. government agency mortgage-backed securities |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | Private labeled mortgage-backed pools |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | 0 | 0
Not Rated | Corporate notes |  |
Schedule of Held-to-Maturity Securities [Line Items] |  |
Investment securities, held to maturity | $ 63,689 | $ 63,728

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