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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Bank Owned Life Insurance

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Federal Home Loan Bank Stock

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Investments

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Securities Sold Under Agreements To Repurchase

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Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount of investments in debt and equity securities, including, but not limited to, held-to-maturity, trading and available-for-sale expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Amount of liabilities assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of long-term debt due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other liabilities due after one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of other assets expected to be realized or consumed after one year or the normal operating cycle, if longer, acquired at the acquisition date.

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The amount of property, plant, and equipment recognized as of the acquisition date.

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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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Mergers and Acquisitions - Summary of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Nov. 12, 2021	Dec. 31, 2020	Dec. 31, 2019
Assets
Goodwill	$ 631,496		$ 369,477	$ 369,031
Insurance Agency Acquisition
Assets
Goodwill	2,995		$ 446
Other assets	$ 133
Century Bancorp, Inc.
Assets
Cash and due from banks		$ 56,831
Short-term investments		575,953
Investment securities		3,117,022
Loans		2,906,491
FHLB stock		6,690
Premises and equipment		64,521
Bank owned life insurance		95,478
Goodwill		259,024
Core deposit intangible		11,633
Other assets		18,915
Total assets acquired		7,112,558
Liabilities
Deposits		6,099,821
Securities sold under agreements to repurchase		274,982
Escrow deposits of borrowers		3,649
Other liabilities		92,237
Total liabilities assumed		6,470,689
Purchase price		$ 641,869