Regulatory Capital (Tables)

12 Months Ended

Dec. 31, 2019

Banking and Thrift [Abstract]

Capital adequacy guidelines and compliance

The following tables illustrate the FRB’s adequacy guidelines and the Company’s and the Bank’s compliance with those guidelines:

	December 31, 2019
	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	$	1,661,249	14.95	%	$	888,986	8.00	%	N/A		N/A
Glacier Bank	1,625,527		14.64	%	888,110		8.00	%	$	1,110,137	10.00	%
Tier 1 capital (to risk-weighted assets)
Consolidated	1,528,683		13.76	%	666,740		6.00	%	N/A		N/A
Glacier Bank	1,500,461		13.52	%	666,082		6.00	%	888,110		8.00	%
Common Equity Tier 1 (to risk-weighted assets)
Consolidated	1,398,183		12.58	%	500,055		4.50	%	N/A		N/A
Glacier Bank	1,500,461		13.52	%	499,562		4.50	%	721,589		6.50	%
Tier 1 capital (to average assets)
Consolidated	1,528,683		11.65	%	524,987		4.00	%	N/A		N/A
Glacier Bank	1,500,461		11.50	%	522,040		4.00	%	652,550		5.00	%

	December 31, 2018
	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	$	1,437,889	14.70	%	$	782,453	8.00	%	N/A		N/A
Glacier Bank	1,401,991		14.35	%	781,430		8.00	%	$	976,787	10.00	%
Tier 1 capital (to risk-weighted assets)
Consolidated	1,308,017		13.37	%	586,840		6.00	%	N/A		N/A
Glacier Bank	1,279,778		13.10	%	586,072		6.00	%	781,430		8.00	%
Common Equity Tier 1 (to risk-weighted assets)
Consolidated	1,183,517		12.10	%	440,130		4.50	%	N/A		N/A
Glacier Bank	1,279,778		13.10	%	439,554		4.50	%	634,911		6.50	%
Tier 1 capital (to average assets)
Consolidated	1,308,017		11.35	%	461,130		4.00	%	N/A		N/A
Glacier Bank	1,279,778		11.08	%	462,072		4.00	%	577,590		5.00	%

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N/A - Not applicable