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v3.24.2

Borrowings - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Jun. 30, 2024 USD ($) | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($) | Oct. 01, 2022 USD ($) item
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Amount of repurchase agreements | $ 19,500 |  | $ 19,500 |  | $ 19,600 |
Fair Value | 691,076 |  | 691,076 |  | 628,829 |
Remaining balance on the note | 54,356 |  | 54,356 |  | 54,200 |
Federal home loan bank, advances, general debt obligations, maximum amount available | 1,800,000 |  | 1,800,000 |  |  |
Loans receivable | 7,625,696 |  | 7,625,696 |  | 7,600,811 |
Interest expense related to FHLB advances | 100 | $ 5,600 | 3,300 | $ 12,700 |  |
Bank of Jackson Hole |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Number of subordinated note purchase agreements assumed | item |  |  |  |  |  | 3
Asset Pledged as Collateral |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Fair Value | 0 |  | 0 |  | 0 |
Asset Pledged as Collateral | Securities Sold under Agreements to Repurchase |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Fair Value | $ 29,900 |  | $ 29,900 |  | $ 30,400 |
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities |
Excess collateral pledged | $ 10,500 |  | $ 10,500 |  | $ 10,800 |
Asset Pledged as Collateral | Federal Home Loan Bank Advances |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities |  |  |
Fair value of available-for-sale investment securities pledged as collateral | $ 0 |  | $ 0 |  | 0 |
Loans receivable | 2,600,000 |  | 2,600,000 |  | 2,600,000 |
Fixed-To-Floating Rate Note, Maturing June 2031 | Bank of Jackson Hole |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Subordinated note |  |  |  |  |  | $ 15,000
Fair value adjustment from the acquisition | 400 |  | 400 |  | 500 |
Remaining balance on the note | 14,600 |  | 14,600 |  | 14,500 |
Interest expense | 100 | $ 100 | 300 | 300 |  |
Line of credit |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
FHLB advances | 35,000 |  | 35,000 |  | 340,000 |
Subordinated Debt |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Debt issuance costs | 300 |  | 300 |  |  |
Subordinated Debt | Fixed-To-Floating Rate Note, Maturing November 2031 |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Subordinated note | $ 40,000 |  | 40,000 |  |  |
Remaining balance on the note |  |  |  |  | $ 39,700 |
Interest expense |  |  | $ 300 | $ 600 |  |
Interest rate (as a percent) |  |  | 3.00% |  |  |
Variable rate basis (as a percent) |  |  | 203.00% |  |  |
Redemption price as a percent of principal |  |  | 100.00% |  |  |
Subordinated Debt | Fixed-To-Floating Rate Note, Maturing June 2031 | Bank of Jackson Hole |  |  |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |  |  |
Interest rate (as a percent) |  |  | 3.75% |  |  |
Variable rate basis (as a percent) |  |  | 306.00% |  |  |
Redemption price as a percent of principal |  |  | 100.00% |  |  |

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