Loans and the Allowance for Credit Losses - Summary of Aging Analysis of Portfolio Loans Restructured (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 12,656,429	$ 11,638,461
Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	123,565	19,634
30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	22,254	15,152
30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,036	190
60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	24,970	9,729
60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	14,958	187
90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	41,893	25,302
90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,888	3,375
Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	89,117	50,183
Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	24,882	3,752
Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	12,567,312	11,588,278
Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	98,683	15,882
Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	821,110	734,219
Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,644	1,194
Home Equity [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,420	4,691
Home Equity [Member] | 30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	155
Home Equity [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,043	1,198
Home Equity [Member] | 60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan		46
Home Equity [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,622	4,037
Home Equity [Member] | 90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	234	227
Home Equity [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	15,085	9,926
Home Equity [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	389	273
Home Equity [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	806,025	724,293
Home Equity [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,255	921
Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,326,681	6,565,448
Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,478	4,416
Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,148	3,627
Commercial Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	23,641	10,594
Commercial Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	40,267	18,637
Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,286,414	6,546,811
Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,520,086	2,438,574
Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,552	989
Residential Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,483	1,572
Residential Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,523	2,471
Residential Real Estate [Member] | 60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan		72
Residential Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,121	5,331
Residential Real Estate [Member] | 90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	329	32
Residential Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	13,127	9,374
Residential Real Estate [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	329	104
Residential Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,506,959	2,429,200
Residential Real Estate [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,223	885
Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	201,275	229,561
Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	368	446
Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,916	3,833
Consumer [Member] | 30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6	8
Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,384	1,178
Consumer [Member] | 60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	49	53
Consumer [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	893	561
Consumer [Member] | 90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	86	28
Consumer [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,193	5,572
Consumer [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	141	89
Consumer [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	195,082	223,989
Consumer [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	227	357
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,352,083	1,055,865
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	836
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,351,251	1,055,865
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,974,598	5,509,583
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	109,512	6,434
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,646	4,416
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan		182
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,148	3,627
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,950
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	23,641	10,594
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | 90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,193	113
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	39,435	18,637
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	16,143	295
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,935,163	5,490,946
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	93,369	6,139
Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,787,277	1,670,659
Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,653	10,571
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	957	640
Commercial and Industrial [Member] | 30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	43
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,872	1,255
Commercial and Industrial [Member] | 60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,959	16
Commercial and Industrial [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,616	4,779
Commercial and Industrial [Member] | 90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	46	2,975
Commercial and Industrial [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	14,445	6,674
Commercial and Industrial [Member] | Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,048	2,991
Commercial and Industrial [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,772,832	1,663,985
Commercial and Industrial [Member] | Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 605	$ 7,580