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Fair Value, Measurement on Recurring and Nonrecurring Basis (Details) $ in Thousands, shares in Millions | Dec. 31, 2021 USD ($) item shares | Dec. 31, 2020 USD ($)
--- | --- | ---
Financial assets: |  |
Impaired loans, net | $ 148,839 | $ 254,938
Allowance for credit losses on impaired loans | $ 86,886 | 106,265
Number of impaired loans | item | 8 |
Aggregate carrying value, before reserves | shares | 148.8 |
Carrying Value |  |
Financial assets: |  |
Derivative financial instruments | $ 1,665 | 3,892
Financial liabilities: |  |
Derivative financial instruments | 1,482 | 1,221
Estimated Fair Value Disclosure |  |
Financial assets: |  |
Derivative financial instruments | 1,665 | 3,892
Financial liabilities: |  |
Derivative financial instruments | 1,482 | $ 1,221
Recurring basis | Carrying Value |  |
Financial assets: |  |
Derivative financial instruments | 1,665 |
Financial liabilities: |  |
Derivative financial instruments | 1,482 |
Recurring basis | Estimated Fair Value Disclosure |  |
Financial assets: |  |
Derivative financial instruments | 1,665 |
Financial liabilities: |  |
Derivative financial instruments | 1,482 |
Nonrecurring basis | Carrying Value |  |
Financial assets: |  |
Impaired loans, net | 61,953 |
Nonrecurring basis | Estimated Fair Value Disclosure |  |
Financial assets: |  |
Impaired loans, net | 61,953 |
Level 2 | Recurring basis |  |
Financial assets: |  |
Derivative financial instruments | 1,370 |
Financial liabilities: |  |
Derivative financial instruments | 1,482 |
Level 3 | Recurring basis |  |
Financial assets: |  |
Derivative financial instruments | 295 |
Level 3 | Nonrecurring basis |  |
Financial assets: |  |
Impaired loans, net | $ 61,953 |

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