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Regulatory Capital | 12 Months Ended
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Dec. 31, 2021
Banking and Thrift, Interest [Abstract] |
Regulatory Capital | Regulatory Capital The Federal Reserve adopted capital adequacy guidelines that are used to assess the adequacy of capital in supervising a bank holding company. The federal banking agencies implemented final rules (“Final Rules”) to establish a new comprehensive regulatory capital framework with a phase-in period beginning on January 1, 2015 and ending on January 1, 2019. The Final Rules implemented certain regulatory amendments based on the recommendation of the Basel Committee on Banking Supervision and certain requirements of the Dodd-Frank Act and substantially amended the regulatory risk-based capital rules applicable to the Company. The Final Rules require the Company to hold a 2.5 percent capital conservation buffer designed to absorb losses during periods of economic stress. The Company has elected to opt-out of the requirement to include most components of accumulated other comprehensive income. As of December 31, 2021, management believes the Company and Bank meet all capital adequacy requirements to which they are subject. Prompt corrective action regulations provide the following classifications: well capitalized, adequately capitalized, undercapitalized, significantly undercapitalized and critically undercapitalized. If undercapitalized, capital distributions (including payment of a dividend) are generally restricted, as is paying management fees to its bank holding company. Failure to meet minimum capital requirements set forth in the table below can initiate certain mandatory and possible additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company’s and Bank’s financial condition. The Company’s and Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings and other factors. At December 31, 2021 and 2020, the most recent regulatory notifications categorized the Company and Bank as well capitalized under the regulatory framework for prompt corrective action. To be well capitalized, the Bank must maintain minimum total capital, Tier 1 capital, Common Tier 1 capital and Tier 1 Leverage ratios as set forth in the table below. There are no conditions or events since December 31, 2021 that management believes have changed the Company’s or Bank’s risk-based capital category. Current guidance from the Federal Reserve provides, among other things, that dividends per share on the Company’s common stock generally should not exceed earnings per share, measured over the previous four fiscal quarters. In certain circumstances, Montana law also places limits or restrictions on a bank’s ability to declare and pay dividends. The following tables illustrate the FRB’s adequacy guidelines and the Company’s and the Bank’s compliance with those guidelines:
| December 31, 2021
| Actual |  | Required for Capital Adequacy Purposes |  | To Be Well Capitalized Under Prompt Corrective Action Regulations
(Dollars in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 2,432,364 |  |  | 14.21 | % |  | $ | 1,369,157 |  |  | 8.00 | % |  | N/A |  | N/A
Glacier Bank | 2,312,775 |  |  | 13.53 | % |  | 1,367,488 |  |  | 8.00 | % |  | $ | 1,709,361 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,136,749 |  |  | 12.49 | % |  | 1,026,868 |  |  | 6.00 | % |  | N/A |  | N/A
Glacier Bank | 2,147,660 |  |  | 12.56 | % |  | 1,025,616 |  |  | 6.00 | % |  | 1,367,488 |  |  | 8.00 | %
Common Equity Tier 1 (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,136,749 |  |  | 12.49 | % |  | 770,151 |  |  | 4.50 | % |  | N/A |  | N/A
Glacier Bank | 2,147,660 |  |  | 12.56 | % |  | 769,212 |  |  | 4.50 | % |  | 1,111,084 |  |  | 6.50 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 2,136,749 |  |  | 8.64 | % |  | 989,712 |  |  | 4.00 | % |  | N/A |  | N/A
Glacier Bank | 2,147,660 |  |  | 8.70 | % |  | 987,680 |  |  | 4.00 | % |  | 1,234,601 |  |  | 5.00 | %
| December 31, 2020
| Actual |  | Required for Capital Adequacy Purposes |  | To Be Well Capitalized Under Prompt Corrective Action Regulations
(Dollars in thousands) | Amount |  | Ratio |  | Amount |  | Ratio |  | Amount |  | Ratio
Total capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | $ | 1,900,621 |  |  | 14.63 | % |  | $ | 1,039,094 |  |  | 8.00 | % |  | N/A |  | N/A
Glacier Bank | 1,824,269 |  |  | 14.06 | % |  | 1,038,148 |  |  | 8.00 | % |  | $ | 1,297,686 |  |  | 10.00 | %
Tier 1 capital (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,613,066 |  |  | 12.42 | % |  | 779,321 |  |  | 6.00 | % |  | N/A |  | N/A
Glacier Bank | 1,674,714 |  |  | 12.91 | % |  | 778,611 |  |  | 6.00 | % |  | 1,038,148 |  |  | 8.00 | %
Common Equity Tier 1 (to risk-weighted assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,613,066 |  |  | 12.42 | % |  | 584,491 |  |  | 4.50 | % |  | N/A |  | N/A
Glacier Bank | 1,674,714 |  |  | 12.91 | % |  | 583,959 |  |  | 4.50 | % |  | 843,496 |  |  | 6.50 | %
Tier 1 capital (to average assets) |  |  |  |  |  |  |  |  |  |  |
Consolidated | 1,613,066 |  |  | 9.12 | % |  | 707,823 |  |  | 4.00 | % |  | N/A |  | N/A
Glacier Bank | 1,674,714 |  |  | 9.56 | % |  | 700,529 |  |  | 4.00 | % |  | 875,662 |  |  | 5.00 | %
______________________________ N/A - Not applicable

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- Definition The entire disclosure for regulatory capital requirement for depository and lending institutions. Institutions include, but not are not limited to, finance company, insured depository institution, bank holding company, savings and loan association holding company, bank and savings institution not federally insured, mortgage company, foreign financial institution and credit union. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1F -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958575-112826 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958569-112826 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1D -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958573-112826 + Details
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