Securities - Schedule of Exposure to Bond Issuers that Exceeded 10% of Stockholders' Equity (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Concentration Risk [Line Items]
Amortized Cost	$ 358,653	$ 404,123
Stockholders' Equity, Total
Concentration Risk [Line Items]
Amortized Cost	268,613
Fair Value	205,184
Stockholders' Equity, Total | U.S. Government Treasuries (U.S.)
Concentration Risk [Line Items]
Amortized Cost	0
Fair Value	0
Stockholders' Equity, Total | Federal Home Loan Bank (FHLB)
Concentration Risk [Line Items]
Amortized Cost	32,222
Fair Value	25,894
Stockholders' Equity, Total | Federal Home Loan Mortgage Corporation (Freddie Mac-FHLMC)
Concentration Risk [Line Items]
Amortized Cost	97,538
Fair Value	69,528
Stockholders' Equity, Total | Federal Farm Credit Bank (FFCB)
Concentration Risk [Line Items]
Amortized Cost	138,853
Fair Value	$ 109,762