Loans and the Allowance for Credit Losses - Summary of Aging Analysis of Portfolio Loans Restructured (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Jun. 30, 2024
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 18,828,626	$ 12,656,429
Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	125,381		$ 28,923
Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,052,334	821,110
Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,744		941
Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,819,096	1,787,277
Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	13,062		505
Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	10,600,210	7,326,681
Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,732,088	1,352,083
Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	25,050		5
Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,868,122	5,974,598
Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	79,509		25,601
Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,939,796	2,520,086
Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,351		1,553
Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	417,190	201,275
Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	665		318
30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	37,416	22,254
30-59 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	328		127
30-59 Days Past Due [Member] | Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	11,228	7,420
30-59 Days Past Due [Member] | Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	297		15
30-59 Days Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,068	957
30-59 Days Past Due [Member] | Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan			91
30-59 Days Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	12,333	8,478
30-59 Days Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	293	832
30-59 Days Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	12,040	7,646
30-59 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	689	1,483
30-59 Days Past Due [Member] | Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan			0
30-59 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	9,098	3,916
30-59 Days Past Due [Member] | Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan			21
60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	32,091	24,970
60-89 Days Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,194		97
60-89 Days Past Due [Member] | Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,477	3,043
60-89 Days Past Due [Member] | Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	132		0
60-89 Days Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,313	8,872
60-89 Days Past Due [Member] | Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	489		9
60-89 Days Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,728	8,148
60-89 Days Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,347
60-89 Days Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,381	8,148
60-89 Days Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,446		16
60-89 Days Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	19,491	3,523
60-89 Days Past Due [Member] | Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,039		36
60-89 Days Past Due [Member] | Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,082	1,384
60-89 Days Past Due [Member] | Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	88		36
90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	82,943	41,893
90 Days or More Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	12,683		472
90 Days or More Past Due [Member] | Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,164	4,622
90 Days or More Past Due [Member] | Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	343		176
90 Days or More Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	16,513	4,616
90 Days or More Past Due [Member] | Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,995
90 Days or More Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	35,258	23,641
90 Days or More Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,363
90 Days or More Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
90 Days or More Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	33,895	23,641
90 Days or More Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,468
90 Days or More Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	22,029	8,121
90 Days or More Past Due [Member] | Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	953		265
90 Days or More Past Due [Member] | Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,979	893
90 Days or More Past Due [Member] | Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	92		31
Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	152,450	89,117
Total Past Due [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	16,205		696
Total Past Due [Member] | Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	20,869	15,085
Total Past Due [Member] | Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	772		191
Total Past Due [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	21,894	14,445
Total Past Due [Member] | Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	7,484		100
Total Past Due [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	53,319	40,267
Total Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,003	832
Total Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	832
Total Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	50,316	39,435
Total Past Due [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,914		16
Total Past Due [Member] | Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	42,209	13,127
Total Past Due [Member] | Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,992		301
Total Past Due [Member] | Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	14,159	6,193
Total Past Due [Member] | Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	211		88
Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	18,676,176	12,567,312
Current [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	109,176		28,227
Current [Member] | Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,031,465	806,025
Current [Member] | Home Equity [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	972		750
Current [Member] | Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,797,202	1,772,832
Current [Member] | Commercial and Industrial [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,578		405
Current [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	10,546,891	7,286,414
Current [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,729,085	1,351,251
Current [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Land and Construction [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	24,218		5
Current [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8,817,806	5,935,163
Current [Member] | Commercial Real Estate [Member] | Commercial Real Estate - Improved Property [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	74,595		25,585
Current [Member] | Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,897,587	2,506,959
Current [Member] | Residential Real Estate [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,359		1,252
Current [Member] | Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	403,031	$ 195,082
Current [Member] | Consumer [Member] | Loan Modification
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 454		$ 230