Goodwill and Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, net	$ 91,778	$ 113,436
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2022	15,646
2023	13,770
2024	11,990
2025	10,876
2026	9,814
Thereafter	29,682
Goodwill [Roll Forward]
Goodwill, Beginning Balance	1,048,091
Sale of consolidated merchant banking investment during 2021	(3,342)
Goodwill, Ending Balance	1,044,749
Commercial [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	913,931
Sale of consolidated merchant banking investment during 2021	(3,342)
Goodwill, Ending Balance	910,589
Consumer [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	43,458
Sale of consolidated merchant banking investment during 2021	0
Goodwill, Ending Balance	43,458
Wealth Management [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	90,702
Sale of consolidated merchant banking investment during 2021	0
Goodwill, Ending Balance	90,702
Funds Management and Other [Member]
Goodwill [Roll Forward]
Goodwill, Beginning Balance	0
Sale of consolidated merchant banking investment during 2021	0
Goodwill, Ending Balance	0
Core deposits premiums [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	103,200	103,200
Accumulated amortization	44,149	32,256
Finite-lived intangible assets, net	59,051	70,944
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2022	10,981
2023	10,145
2024	9,379
2025	8,675
2026	7,986
Thereafter	11,885
Other identifiable intangible assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross	78,154	82,731
Accumulated amortization	45,427	40,239
Finite-lived intangible assets, net	32,727	$ 42,492
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
2022	4,665
2023	3,625
2024	2,611
2025	2,201
2026	1,828
Thereafter	$ 17,797

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of amortization for asset, excluding financial asset and goodwill, lacking physical substance with finite life expected to be recognized after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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