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v3.20.4

Bank Premises and Equipment | 12 Months Ended
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Dec. 31, 2020
Bank Premises and Equipment | (5) Bank Premises and Equipment A summary of bank premises and equipment, by asset classification, at December 31, 2020 and 2019 were as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Estimated | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | useful lives | ​ | 2020 | ​ | 2019 |
​ | ​ | ​ | ​ | ​ | ​ | ​ | (Dollars in Thousands) |
Bank buildings and improvements |  | 5 | - | 39 | years |  | $ | 577,656 |  | $ | 573,257 | ​
Furniture, equipment and vehicles |  | 1 | - | 20 | years | ​ |  | 311,313 | ​ |  | 313,880 | ​
Land | ​ | ​ | ​ | ​ | ​ | ​ |  | 117,848 | ​ |  | 118,099 | ​
Less: accumulated depreciation | ​ | ​ | ​ | ​ | ​ | ​ |  | (526,939) | ​ |  | (498,641) | ​
Bank premises and equipment, net | ​ | ​ | ​ | ​ | ​ | ​ | $ | 479,878 | ​ | $ | 506,595 | ​
​

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- Definition The entire disclosure for long-lived, physical asset used in normal conduct of business and not intended for resale. Includes, but is not limited to, work of art, historical treasure, and similar asset classified as collections. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99893-112916 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI http://asc.fasb.org/topic&trid=2155823 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=120429125&loc=SL120174063-112916 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 958 -SubTopic 360 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120429125&loc=d3e99779-112916 + Details
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