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Commitments, Contingencies and Related Party Transactions (Narrative) (Details) - USD ($) $ in Thousands | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Commitments to Extend Credit |  |
Letters of credit | $ 1,860,414 | $ 1,796,647
Other Commitments |  |
Unfunded commitments for investments in AHP and other tax credit investments | 193,809 |
Accrued Expenses and Other Liabilities |  |
Commitments to Extend Credit |  |
Allowance for unfunded credit commitments | 11,100 | 12,400
Other Commitments |  |
Unfunded commitments for investments in AHP and other tax credit investments | 193,800 | 161,000
Standby Letters of Credit |  |
Commitments to Extend Credit |  |
Letters of credit | 1,810,000 |
Commercial Letters Of Credit |  |
Commitments to Extend Credit |  |
Letters of credit | 48,500 |
Loans sold or securitized with recourse | Single Family Residential and Multi-Family Residential | Loans Sold or Securitized with Recourse | Accrued Expenses and Other Liabilities |  |
Commitments to Extend Credit |  |
Allowance for unfunded credit commitments | $ 76 | $ 123

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- Definition Reflects the Allowance for Unfunded Loan Commitments and Letters of Credit + References No definition available. + Details
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Balance Type: | credit
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. + References No definition available. + Details
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- Details
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