Loans and the Allowance for Credit Losses - Summary of Aging Analysis of Portfolio Loans Restructured (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 11,638,461	$ 10,702,728
30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	15,152	11,222
60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	9,729	6,621
90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	25,302	30,986
Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	50,183	48,829
Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	11,588,278	10,653,899
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	19,634
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	190
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	187
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,375
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,752
ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	15,882
Home Equity [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	734,219	695,065
Home Equity [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,691	3,885
Home Equity [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,198	621
Home Equity [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,037	3,797
Home Equity [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	9,926	8,303
Home Equity [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	724,293	686,762
Home Equity [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,194
Home Equity [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	46
Home Equity [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	227
Home Equity [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	273
Home Equity [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	921
Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,565,448	6,061,344
Commercial Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,416	2,147
Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,627	1,241
Commercial Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	10,594	16,378
Commercial Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	18,637	19,766
Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,546,811	6,041,578
Residential Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,438,574	2,140,584
Residential Real Estate [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,572	853
Residential Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,471	3,536
Residential Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,331	7,100
Residential Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	9,374	11,489
Residential Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,429,200	2,129,095
Residential Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	989
Residential Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	72
Residential Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	32
Residential Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	104
Residential Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	885
Consumer [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	229,561	226,340
Consumer [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	3,833	2,910
Consumer [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,178	704
Consumer [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	561	573
Consumer [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,572	4,187
Consumer [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	223,989	222,153
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	446
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	8
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	53
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	28
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	89
Consumer [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	357
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,055,865	943,887
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan		910
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan		741
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		1,651
Commercial Real Estate - Land and Construction [Member] | Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,055,865	942,236
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,509,583	5,117,457
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	4,416	2,147
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	3,627	331
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	10,594	15,637
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	18,637	18,115
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	5,490,946	5,099,342
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,434
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	182
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	113
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	295
Commercial Real Estate - Improved Property [Member] | Commercial Real Estate [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,139
Commercial and Industrial [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,670,659	1,579,395
Commercial and Industrial [Member] | 30-59 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	640	1,427
Commercial and Industrial [Member] | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,255	519
Commercial and Industrial [Member] | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	4,779	3,138
Commercial and Industrial [Member] | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	6,674	5,084
Commercial and Industrial [Member] | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	1,663,985	$ 1,574,311
Commercial and Industrial [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326)
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	10,571
Commercial and Industrial [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 60-89 Days Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	16
Commercial and Industrial [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | 90 Days or More Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,975
Commercial and Industrial [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Total Past Due [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	2,991
Commercial and Industrial [Member] | ASU 2022-02 Financial Instruments - Credit Losses (Topic 326) | Current [Member]
Financing Receivable, Modified, Past Due [Line Items]
Total modified loan	$ 7,580