XML 70 R35.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Premises and Equipment (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2014
Property, Plant and Equipment [Abstract] |
Premises and equipment, net of accumulated depreciation | Premises and equipment, net of accumulated depreciation, consist of the following:
(Dollars in thousands) | December 31, 2014 |  | December 31, 2013
Land | $ | 27,605 |  |  | 27,260 |
Office buildings and construction in progress | 172,544 |  |  | 159,391 |
Furniture, fixtures and equipment | 70,622 |  |  | 66,375 |
Leasehold improvements | 7,813 |  |  | 7,589 |
Accumulated depreciation | (99,409 | ) |  | (92,944 | )
Net premises and equipment | $ | 179,175 |  |  | 167,671 |
Future Minimum Rental Commitments required under Operating and Capital Leases | The total future minimum rental commitments required under operating and capital leases that have initial or remaining noncancelable lease terms in excess of one year at December 31, 2014 are as follows:
(Dollars in thousands) | Capital Leases |  | Operating Leases |  | Total
Years ending December 31, |  |  |  |  |
2015 | $ | 694 |  |  | 2,348 |  |  | 3,042 |
2016 | 92 |  |  | 2,089 |  |  | 2,181 |
2017 | 92 |  |  | 1,786 |  |  | 1,878 |
2018 | 92 |  |  | 1,541 |  |  | 1,633 |
2019 | 92 |  |  | 1,360 |  |  | 1,452 |
Thereafter | 103 |  |  | 3,820 |  |  | 3,923 |
Total minimum lease payments | 1,165 |  |  | 12,944 |  |  | 14,109 |
Less: Amount representing interest | 99 |  |  |  |  |
Present value of minimum lease payments | 1,066 |  |  |  |  |
Less: Current portion of obligations under capital leases | 659 |  |  |  |  |
Long-term portion of obligations under capital leases | $ | 407 |  |  |  |  |

X
- Definition Schedule of future minimum rental payments for operating and capital leases table. + References No definition available. + Details
Name: | gbci_ScheduleOfFutureMinimumRentalPaymentsForOperatingAndCapitalLeasesTableTextBlock
Namespace Prefix: | gbci_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph b -Article 5 + Details
Name: | us-gaap_PropertyPlantAndEquipmentTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration