Subsequent Event	12 Months Ended
Dec. 31, 2024
Subsequent Events [Abstract]
Subsequent Event	Subsequent EventOn January 13, 2025, the Company announced the signing of a definitive agreement to acquire the Bank of Idaho Holding Co. (“BOID”) and its wholly-owned subsidiary Bank of Idaho, a community bank based in Idaho Falls, Idaho, collectively (“BOI”). BOI provides banking services to individuals and businesses with 15 branch locations throughout Eastern Idaho, Boise Metro and Eastern Washington. As of December 31, 2024, BOI had total assets of approximately $1,327,517,000, gross loans of approximately $1,032,706,000, and total deposits of approximately $1,119,372,000. The acquisition is subject to required regulatory and shareholder approvals and other customary conditions of closing and is anticipated to take place in the second quarter of 2025. Upon closing of the transaction, the branches of BOI will join existing operations of three existing Glacier Bank divisions. The Eastern Idaho operations of BOI will join Citizens Community Bank, the Boise operations will join Mountain West Bank, and the Eastern Washington operations will join Wheatland Bank. The purchase price is subject to adjustment and will be determined at closing.

Subsequent Event

12 Months Ended

Dec. 31, 2024

Subsequent EventOn January 13, 2025, the Company announced the signing of a definitive agreement to acquire the Bank of Idaho Holding Co. (“BOID”) and its wholly-owned subsidiary Bank of Idaho, a community bank based in Idaho Falls, Idaho, collectively (“BOI”). BOI provides banking services to individuals and businesses with 15 branch locations throughout Eastern Idaho, Boise Metro and Eastern Washington. As of December 31, 2024, BOI had total assets of approximately $1,327,517,000, gross loans of approximately $1,032,706,000, and total deposits of approximately $1,119,372,000. The acquisition is subject to required regulatory and shareholder approvals and other customary conditions of closing and is anticipated to take place in the second quarter of 2025. Upon closing of the transaction, the branches of BOI will join existing operations of three existing Glacier Bank divisions. The Eastern Idaho operations of BOI will join Citizens Community Bank, the Boise operations will join Mountain West Bank, and the Eastern Washington operations will join Wheatland Bank. The purchase price is subject to adjustment and will be determined at closing.