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Loans and Leases Composition of Loans and Leases Held for Investment (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans and Leases Receivable, Gross |  | $ 23,983,918 | $ 25,796,714
Loans and Leases Receivable, Deferred Income |  | (26,542) | (45,043)
Loans held for investment, net |  | 23,781,663 | 25,489,687
Loans and leases held for investment, net | [1] | 23,542,303 | 25,208,000
Interest Receivable |  | 12,600 | 10,000
Land and Acquisitions and Development Loans |  | 223,900 | 228,900
Financing Receivable, Unamortized Purchase Premium (Discount) |  | 175,713 | 261,984
Financing Receivable, Unamortized Purchase Premium |  | 59,500 | 72,200
Financing Receivable, Unamortized Purchase Premium (Discount) |  | (235,200) | (334,200)
Loans and Finance Receivables |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Interest Receivable |  | 96,800 | 111,300
Mortgages [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans and Leases Receivable, Gross |  | 13,605,595 | 16,378,537
Real Estate Construction [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans and Leases Receivable, Gross | [2] | 3,187,146 | 3,183,357
Commercial Portfolio Segment [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans and Leases Receivable, Gross |  | 6,788,923 | 5,780,346
Consumer Portfolio Segment [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Loans and Leases Receivable, Gross |  | $ 402,254 | $ 454,474
[1] | Excludes accrued interest receivable of $96.8 million and $111.3 million at December 31, 2024 and 2023, which is recorded in "Other assets" on the consolidated balance sheets.
[2] | Includes land and acquisition and development loans of $223.9 million and $228.9 million at December 31, 2024 and 2023. (2) Represents net acquisition discounts of $235.2 million and net purchase premiums of $59.5 million at December 31, 2024, and net acquisition discounts of $334.2 million and purchase premiums of $72.2 million at December 31, 2023.

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- Definition Unearned discounts (other than cash or quantity discounts and the like), finance charges, and interest included in the face amount of receivables, that are shown as a deduction from the related receivables. For example, 1) finance charges booked as a receivable when a loan is made and recognized as income at a later date; and 2) interest charges deducted from the face loan amount, resulting in a discounted amount actually advanced to the borrower (wherein the receivable includes the amount actually advanced to the borrower and the as yet unearned interest income). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-8 + Details
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