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Premises and Equipment (Tables) | 12 Months Ended
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Dec. 31, 2017
Property, Plant and Equipment [Abstract] |
Premises and Equipment | Major classifications of premises and equipment at December 31, 2017 and 2016 are summarized as follows:
(Dollars in thousands) | 2017 |  | 2016
Land | $ | 290,990 |  |  | $ | 285,612 |
Premises and leasehold improvements | 1,158,699 |  |  | 1,130,650 |
Furniture and equipment | 489,067 |  |  | 443,560 |
Total | 1,938,756 |  |  | 1,859,822 |
Less accumulated depreciation and amortization | 800,325 |  |  | 726,778 |
Total premises and equipment | $ | 1,138,431 |  |  | $ | 1,133,044 |
Future Minimum Rental Payments for Operating Leases | Future minimum rental commitments for noncancellable operating leases with initial or remaining terms of one or more years consisted of the following at December 31, 2017:
(Dollars in thousands) | Year ended December 31
2018 | $ | 25,797 |
2019 | 18,838 |
2020 | 12,691 |
2021 | 10,780 |
2022 | 9,181 |
Thereafter | 45,138 |
Total minimum payments | $ | 122,425 |

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- Definition Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(13)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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