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Derivative Financial Instruments - Fair Value of Derivative Instruments on the Balance Sheet (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Notional amounts	$ 780,152	$ 814,866
Fair Values	1,401	415
Interest Rate Swaps | Derivatives Not Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	363,498	352,842
Fair Values	18,567	25,482
Interest Rate Swaps | Derivatives Not Designated as Hedging Instruments | Other Liabilities
Derivatives, Fair Value [Line Items]
Notional amounts	356,683	345,742
Fair Values	(18,298)	(25,175)
Risk participation agreements included in other liabilities | Derivatives Not Designated as Hedging Instruments | Other Liabilities
Derivatives, Fair Value [Line Items]
Notional amounts	20,000	59,738
Fair Values	(2)	0
Forward commitments to purchase forward-settling mortgage-backed securities included in other assets (liabilities) | Derivatives Not Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	9,000
Fair Values	91
Forward commitments to purchase forward-settling mortgage-backed securities included in other assets (liabilities) | Derivatives Not Designated as Hedging Instruments | Other Liabilities
Derivatives, Fair Value [Line Items]
Notional amounts		7,000
Fair Values		(100)
Forward commitments to purchase treasury notes in other assets | Derivatives Not Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	22,500	31,500
Fair Values	822	0
Forward commitments to sell residential mortgage loans included in other assets | Derivatives Not Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	0	8,500
Fair Values	0	7
Interest rate-lock commitments on residential mortgage loans included in other assets | Derivatives Not Designated as Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	8,471	9,544
Fair Values	221	201
Cash Flow Hedging | Interest Rate Swaps | Derivatives Designated as Cash Flow Hedging Instruments | Other Assets
Derivatives, Fair Value [Line Items]
Notional amounts	10,500	10,500
Fair Values	$ 786	$ 1,043

X

- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 5
-SubTopic 10
-Topic 815
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480463/815-10-45-5

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X

- Definition

Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1B
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-1A

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- Definition

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+ References

No definition available.

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