Fair Value (Summary of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financial Assets:
Trading securities	$ 3,990	$ 4,428
Fair Value	695,875	1,507,486
Loans Held-for-sale	5,197	5,815
Financial Liabilities:
Trading securities	3,990	4,428
Obligations of states and political subdivisions
Financial Assets:
Fair Value	49,226	117,478
Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises
Financial Assets:
Fair Value	514,019	1,000,257
Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Financial Assets:
Fair Value	109,347	358,849
Obligations of U.S. government-sponsored enterprises
Financial Assets:
Fair Value		8,344
Fair Value, Measurements, Recurring [Member]
Financial Assets:
Trading securities	3,990	4,428
Loans Held-for-sale	5,197	5,815
Financial Liabilities:
Trading securities	3,990	4,428
Fair Value, Measurements, Recurring [Member] \| Obligations of states and political subdivisions
Financial Assets:
Fair Value	49,226	117,478
Fair Value, Measurements, Recurring [Member] \| Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises
Financial Assets:
Fair Value	514,019	1,000,257
Fair Value, Measurements, Recurring [Member] \| Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Financial Assets:
Fair Value	109,347	358,849
Fair Value, Measurements, Recurring [Member] \| Corporate Bond Securities [Member]
Financial Assets:
Fair Value	23,283	22,558
Fair Value, Measurements, Recurring [Member] \| Obligations of U.S. government-sponsored enterprises
Financial Assets:
Fair Value		8,344
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Trading securities	3,990	4,428
Loans Held-for-sale	0	0
Financial Liabilities:
Trading securities	3,990	4,428
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of states and political subdivisions
Financial Assets:
Fair Value	0	0
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member] \| Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises
Financial Assets:
Fair Value	0	0
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member] \| Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Financial Assets:
Fair Value	0	0
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member] \| Corporate Bond Securities [Member]
Financial Assets:
Fair Value	0	0
Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of U.S. government-sponsored enterprises
Financial Assets:
Fair Value		0
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Trading securities	0	0
Loans Held-for-sale	5,197	5,815
Financial Liabilities:
Trading securities	0	0
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of states and political subdivisions
Financial Assets:
Fair Value	49,226	117,478
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member] \| Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises
Financial Assets:
Fair Value	514,019	1,000,257
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member] \| Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Financial Assets:
Fair Value	109,347	358,849
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member] \| Corporate Bond Securities [Member]
Financial Assets:
Fair Value	23,283	22,558
Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of U.S. government-sponsored enterprises
Financial Assets:
Fair Value		8,344
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Trading securities	0	0
Loans Held-for-sale	0	0
Financial Liabilities:
Trading securities	0	0
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of states and political subdivisions
Financial Assets:
Fair Value	0	0
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member] \| Mortgage-backed securities issued or guaranteed by U.S. government sponsored enterprises
Financial Assets:
Fair Value	0	0
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member] \| Collateralized mortgage obligations issued or guaranteed by U.S. government-sponsored enterprises
Financial Assets:
Fair Value	0	0
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member] \| Corporate Bond Securities [Member]
Financial Assets:
Fair Value	0	0
Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member] \| Obligations of U.S. government-sponsored enterprises
Financial Assets:
Fair Value		0
Fixed Rate mortgage interest rate lock commitments \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	31	371
Financial Liabilities:
Customer interest rate swaps	87	91
Fixed Rate mortgage interest rate lock commitments \| Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0	0
Financial Liabilities:
Customer interest rate swaps	0	0
Fixed Rate mortgage interest rate lock commitments \| Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	31	371
Financial Liabilities:
Customer interest rate swaps	87	91
Fixed Rate mortgage interest rate lock commitments \| Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0	0
Financial Liabilities:
Customer interest rate swaps	0	0
Forward delivery commitments \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	114	86
Financial Liabilities:
Customer interest rate swaps	0	6
Forward delivery commitments \| Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0
Financial Liabilities:
Customer interest rate swaps	0	0
Forward delivery commitments \| Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	114	86
Financial Liabilities:
Customer interest rate swaps	0	6
Forward delivery commitments \| Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0
Financial Liabilities:
Customer interest rate swaps	0	0
Customer loan swaps \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	14,802	19,297
Financial Liabilities:
Customer interest rate swaps	14,850	19,485
Customer loan swaps \| Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0	0
Financial Liabilities:
Customer interest rate swaps	0	0
Customer loan swaps \| Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	14,802	19,297
Financial Liabilities:
Customer interest rate swaps	14,850	19,485
Customer loan swaps \| Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps	0	0
Financial Liabilities:
Customer interest rate swaps	0	0
Interest rate contracts
Financial Assets:
Fair Value	13,051	5,589
Financial Liabilities:
Junior subordinated debt interest rate swaps	5,515	7,872
Interest rate contracts \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps		5,589
Fair Value	13,051
Financial Liabilities:
Junior subordinated debt interest rate swaps	5,515	7,872
Interest rate contracts \| Readily Available Market Prices (Level 1) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps		0
Fair Value	0
Financial Liabilities:
Junior subordinated debt interest rate swaps	0	0
Interest rate contracts \| Observable Market Data (Level 2) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps		5,589
Fair Value	13,051
Financial Liabilities:
Junior subordinated debt interest rate swaps	5,515	7,872
Interest rate contracts \| Company Determined Fair Value (Level 3) [Member] \| Fair Value, Measurements, Recurring [Member]
Financial Assets:
Customer interest rate swaps		0
Fair Value	0
Financial Liabilities:
Junior subordinated debt interest rate swaps	$ 0	$ 0

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Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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