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Loans and Allowance for Credit Losses - Industry Classification System (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Lessors of nonresidential buildings |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | $ 4,098,546 |
Unfunded Commitments | 1,780,799 |
Total exposure | 5,879,345 | $ 5,368,638
Lessors of residential buildings |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | 1,467,575 |
Unfunded Commitments | 1,355,763 |
Total exposure | 2,823,338 | 2,566,352
New Housing For-Sale Builders |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Outstanding Principal Balances | 626,666 |
Unfunded Commitments | 1,010,302 |
Total exposure | $ 1,636,968 | $ 1,534,789

X
- Definition Represents the amount of financing receivables exposure to credit risk. + References No definition available. + Details
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X
- Definition Represents the amount of financing receivables principal balance outstanding. + References No definition available. + Details
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