Subsequent Event (Details) $ in Thousands	Apr. 30, 2025 shares	Mar. 31, 2025 USD ($)	Mar. 31, 2025 bank_division	Mar. 31, 2025 branch	Dec. 31, 2024 USD ($)
Subsequent Event
Assets		$ 27,858,879			$ 27,902,987
Number of bank divisions			17	3
Bank of Idaho
Subsequent Event
Assets		1,302,301
Loans		1,069,103
Deposits		$ 1,091,847
Bank of Idaho | Subsequent Event
Subsequent Event
Number of shares issued for acquisition (in shares) | shares	5,029,137