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v3.23.1

Borrowings - Narrative (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Dec. 31, 2022 USD ($) | Oct. 01, 2022 USD ($) item
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Amount of repurchase agreements | $ 21,500 |  | $ 20,200 |
Fair Value | 695,485 |  | 706,289 |
Remaining balance on the note | 53,968 |  | 53,890 |
Federal home loan bank, advances, general debt obligations, maximum amount available | 1,600,000 |  |  |
Loans receivable | 7,254,955 |  | 7,130,916 |
Interest expense related to FHLB advances | 7,100 | $ 0 |  |
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 | Securities Sold under Agreements to Repurchase [Member] |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Fair Value | $ 31,900 |  | $ 32,000 |
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities |
Excess collateral pledged | $ 10,400 |  | $ 11,800 |
Asset Pledged as Collateral | Federal Home Loan Bank Advances [Member] |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Fair Value | $ 0 |  | $ 0 |
Financing Receivable, Pledging Purpose [Extensible Enumeration] | Noninterest-bearing Deposit Liabilities |  | Noninterest-bearing Deposit Liabilities |
Loans receivable | $ 2,500,000 |  | $ 2,000,000 |
Fixed-To-Floating Rate Note, Maturing November 2031 |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Subordinated note | 40,000 |  |  |
Remaining balance on the note | 39,600 |  |  |
Debt issuance costs | 400 |  |  |
Fixed-To-Floating Rate Note, Maturing November 2031 | Other liabilities |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Interest expense | 300 |  |  |
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 | 600 |  |  |
Remaining balance on the note | 14,400 |  |  |
Interest expense | 100 |  |  |
Line of credit [Member] |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
FHLB advances | $ 1,000,000 |  | $ 385,000 |
Subordinated Debt [Member] | Fixed-To-Floating Rate Note, Maturing November 2031 |  |  |  |
Assets Sold under Agreements to Repurchase [Line Items] |  |  |  |
Interest rate (as a percent) | 0.03% |  |  |
Variable rate basis (as a percent) | 203.00% |  |  |
Redemption price as a percent of principal | 1.00% |  |  |
Subordinated Debt [Member] | 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) | 3.06% |  |  |
Redemption price as a percent of principal | 100.00% |  |  |

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