[Line Items] for Revenue From Contracts With Customers [Table]

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Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.

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Amount of fee and commission revenue classified as other.

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This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting and losses recognized for other than temporary impairments (OTTI) of the subject investments.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Paragraph 9
-Subparagraph (c)-(e)
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-Publisher FASB
-Name Accounting Standards Codification
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-Section 45
-Paragraph 28
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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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- Definition

The gains (losses) included in earnings that represent the difference between the sale price and the carrying value of loans and leases that were sold during the reporting period. This element refers to the gain (loss) and not to the cash proceeds of the sales. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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-Subparagraph (b)
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- Definition

Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.

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The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.

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Amount of revenue earned, classified as other, excluding interest income.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
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The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 20
-Section 25
-Paragraph 1
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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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-Publisher FASB
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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Revenue From Contracts With Customers Revenue From Contracts With Customers (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue From Contracts With Customers [Line Items]
Total interest income	$ 302,739	$ 292,642	$ 288,514	$ 277,775	$ 284,597	$ 260,966	$ 259,544	$ 247,409	$ 1,161,670	$ 1,052,516	$ 1,015,912
Service charges on deposit accounts									16,509	15,307	14,534
Other commissions and fees									45,543	41,422	47,126
Gain on sale of loans and leases									4,675	6,197	909
Gain (loss) on sale of securities	786	826	253	6,311	(3,329)	1,236	1,651	(99)	8,176	(541)	9,485
Revenue from Contract with Customer, Excluding Assessed Tax									37,380
Operating Leases, Income Statement, Lease Revenue									37,881	37,700	33,919
Other income									35,851	28,488	15,419
Total noninterest income	$ 33,526	$ 36,912	$ 39,638	$ 38,559	$ 26,795	$ 31,382	$ 35,282	$ 35,114	148,635	$ 128,573	$ 112,475
Total Income									1,310,305
Interest [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									0
Service Charges On Deposit Accounts [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									16,509
Other Commissions And Fees [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									19,080
Lease Equipment Income [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									0
Gain On Sale Of Loans [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									0
Gain On Sale Of Securities [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									0
Other [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									1,791
Noninterest Income [Member]
Revenue From Contracts With Customers [Line Items]
Revenue from Contract with Customer, Excluding Assessed Tax									$ 37,380