Securities - Schedule of Exposure to Bond Issuers that Exceeded 10% of Stockholders' Equity (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Concentration Risk [Line Items]
Amortized Cost	$ 1,213,961	$ 999,267
Stockholders' Equity, Total
Concentration Risk [Line Items]
Amortized Cost	1,146,707
Fair Value	1,082,002
Stockholders' Equity, Total \| U.S. Government Treasuries (U.S.)
Concentration Risk [Line Items]
Amortized Cost	49,539
Fair Value	49,507
Stockholders' Equity, Total \| Federal Home Loan Bank (FHLB)
Concentration Risk [Line Items]
Amortized Cost	32,460
Fair Value	27,084
Stockholders' Equity, Total \| Federal Home Loan Mortgage Corporation (Freddie Mac-FHLMC)
Concentration Risk [Line Items]
Amortized Cost	101,917
Fair Value	76,433
Stockholders' Equity, Total \| Federal Farm Credit Bank (FFCB)
Concentration Risk [Line Items]
Amortized Cost	139,962
Fair Value	116,202
Stockholders' Equity, Total \| Government National Mortgage Association (Ginnie Mae-GNMA)
Concentration Risk [Line Items]
Amortized Cost	822,829
Fair Value	$ 812,776

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.

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+ Details