Disclosures about Fair Value of Assets and Liabilities - Schedule of Fair Value Measurements of Assets and Liabilities Recognized on a Recurring Basis (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	$ 547,251	$ 997,558
Recurring Basis
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	547,251	997,558
Recurring Basis \| U.S. Treasury and federal agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	64,377	267,179
Recurring Basis \| State and municipal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	304,030	433,544
Recurring Basis \| Federal agency collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	3,580	31,215
Recurring Basis \| Federal agency mortgage–backed pools
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	137,297	190,656
Recurring Basis \| Corporate notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	37,967	74,964
Recurring Basis \| Interest rate swap agreements liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26,556	44,595
Derivative liability	(24,024)	(42,619)
Recurring Basis \| Commitments to originate mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	125	284
Recurring Basis \| Mortgage loan contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	33
Derivative liability		(50)
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. Treasury and federal agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| State and municipal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Federal agency collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Federal agency mortgage–backed pools
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Corporate notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate swap agreements liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Derivative liability	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Commitments to originate mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Recurring Basis \| Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mortgage loan contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0
Derivative liability		0
Recurring Basis \| Significant Other Observable Inputs (Level 2)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	547,251	997,558
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| U.S. Treasury and federal agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	64,377	267,179
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| State and municipal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	304,030	433,544
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Federal agency collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	3,580	31,215
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Federal agency mortgage–backed pools
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	137,297	190,656
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Corporate notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	37,967	74,964
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Interest rate swap agreements liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	26,556	44,595
Derivative liability	(24,024)	(42,619)
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Commitments to originate mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	125	284
Recurring Basis \| Significant Other Observable Inputs (Level 2) \| Mortgage loan contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	33
Derivative liability		(50)
Recurring Basis \| Significant Unobservable Inputs (Level 3)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| U.S. Treasury and federal agencies
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| State and municipal
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Federal agency collateralized mortgage obligations
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Federal agency mortgage–backed pools
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Corporate notes
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair Value	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Interest rate swap agreements liability
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Derivative liability	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Commitments to originate mortgage loans
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	0	0
Recurring Basis \| Significant Unobservable Inputs (Level 3) \| Mortgage loan contracts
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative asset	$ 0
Derivative liability		$ 0