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Fair Value Measurements (Details 4) $ in Thousands | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
--- | --- | ---
Valuation Methodology |  |
Investment securities, available-for-sale | $ 1,863,041 | $ 1,197,467
Level 3 |  |
Valuation Methodology |  |
Investment securities, available-for-sale | 1,849 | 2,152
Recurring | Level 3 |  |
Valuation Methodology |  |
Investment securities, available-for-sale | 1,849 | 2,152
Recurring | Level 3 | Discounted cash flows | Direct placement municipal securities |  |
Valuation Methodology |  |
Investment securities, available-for-sale | $ 1,849 | $ 2,152
Discount for lack of marketability | Non-recurring | Level 3 | Trade publications | Aircraft |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.10 |
Discount for lack of marketability | Non-recurring | Level 3 | Auction values | Autos |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.10 |
Discount for lack of marketability | Non-recurring | Level 3 | Trade publications and auction values | Medium and heavy duty trucks |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.15 |
Discount for lack of marketability | Non-recurring | Level 3 | Trade publications and auction values | Construction equipment |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.20 |
Discount for lack of marketability | Non-recurring | Level 3 | Appraisals | Real estate |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.20 |
Credit spread assumption | Recurring | Level 3 | Discounted cash flows | Direct placement municipal securities | Minimum |  |
Unobservable Inputs |  |
Debt securities available-for-sale unobservable inputs (as a percent) | 0.0004 | 0.0004
Credit spread assumption | Recurring | Level 3 | Discounted cash flows | Direct placement municipal securities | Maximum |  |
Unobservable Inputs |  |
Debt securities available-for-sale unobservable inputs (as a percent) | 0.0231 | 0.0230
Credit spread assumption | Recurring | Level 3 | Discounted cash flows | Direct placement municipal securities | Weighted Average [Member] |  |
Unobservable Inputs |  |
Debt securities available-for-sale unobservable inputs (as a percent) | 0.0158 | 0.0155
Receivables | Discount for lack of marketability | Non-recurring | Level 3 | Commercial loans |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.20 |
Inventory | Discount for lack of marketability | Non-recurring | Level 3 | Minimum | Commercial loans |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.40 |
Inventory | Discount for lack of marketability | Non-recurring | Level 3 | Maximum | Commercial loans |  |
Unobservable Inputs |  |
Discount rate (as a percent) | 0.75 |

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