Income earned not collected through a business combination.

No definition available.

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The core deposit intangible acquired in the business combination.

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

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The accrued interest payable accrued in a business combination.

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans Held for Sale

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Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Real Estate Owned

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Overnight investments acquired through a business combination.

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Loans and leases acquired in a business combination.

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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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This item represents the gross loss realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.

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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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Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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In a business combination in which the amount of net identifiable assets acquired and liabilities assumed exceeds the aggregate consideration transferred or to be transferred (as defined), this element represents the amount of gain recognized by the entity.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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Amount of assets acquired at the acquisition date.

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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 long-term debt due within one year or within the normal operating cycle, if longer, assumed 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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Fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Business Combinations (Details) - USD ($) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
	Jul. 25, 2018	Jun. 27, 2018	May 01, 2018	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Mar. 31, 2018	Dec. 31, 2017	Jan. 13, 2017	Mar. 11, 2016
Business Acquisition [Line Items]
Available-for-sale Securities, Gross Realized Losses					$ 2		$ 29
Available-for-sale Securities, Gross Realized Gains					3,353		3,356
Purchase price						$ 112,657
Assets				$ 35,088,566		35,088,566			$ 34,527,512
Loans and Leases				24,538,437		24,538,437			23,596,825
Deposits				30,408,884		30,408,884			29,266,275
PCI loans and leases										$ 15,555	$ 199,682
Gain on acquisitions				0	122,728	0	134,745
Merger-related expenses				2,412	$ 6,853	3,010	$ 7,686
Revenue generated						5,000
Goodwill				208,217		208,217			$ 150,601
Capital Commerce Bancorp
Business Acquisition [Line Items]
Business Acquisition, Share Price		$ 135.00
Purchase price		$ 28,100
Assets								$ 216,200
Loans and Leases								180,600
Deposits								$ 171,000
Palmetto Heritage Bancshares
Business Acquisition [Line Items]
Business Acquisition, Share Price		$ 4.75
Assets				167,900		167,900
Loans and Leases				137,800		137,800
Deposits				126,400		126,400
HomeBancorp Inc.
Business Acquisition [Line Items]
Business Acquisition, Share Price			$ 15.03
Purchase price			$ 112,700
Cash and cash equivalents			6,359
Overnight investments			10,393
Investment securities available for sale			200,918
Loans held for sale			791
Loans			566,173
PCI loans and leases			15,555
Core deposit intangible			9,900
Non-PCI Loans			550,618
Premises and equipment			6,542
Other real estate owned			2,135
Income earned not collected			2,717
Intangible asset			13,206
Other assets			33,459
Total assets acquired			842,693
Deposits			619,589
Short-term borrowings			108,973
Accrued interest payable			1,020
Long-term obligations			52,944
Other liabilities			5,126
Total liabilities assumed			787,652
Fair value of net assets (liabilities) assumed			$ 55,041
Goodwill acquired						57,616
Merger-related expenses				$ 1,500		$ 1,700
Subsequent Event [Member] \| Palmetto Heritage Bancshares
Business Acquisition [Line Items]
Purchase price	$ 30,300