Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financial Assets
Securities available for sale	$ 1,427,677	$ 575,600
Fair Value, Measurements, Recurring
Financial Assets
Total investment securities	1,442,626	582,481
Corporate bonds
Financial Assets
Securities available for sale	4,030	3,712
Corporate bonds \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	4,030	3,712
Collateralized mortgage obligations \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	13,385	26,393
Small Business Administration
Financial Assets
Securities available for sale	5,430	5,562
Small Business Administration \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	5,430	5,562
Other equity investments measured at net asset value \| Fair Value, Measurements, Recurring
Financial Assets
Equity securities	14,721	6,343
U.S. Treasury and U.S. government sponsored entities
Financial Assets
Securities available for sale	90,831	11,845
U.S. Treasury and U.S. government sponsored entities \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	90,831	11,845
State and political subdivisions
Financial Assets
Securities available for sale	658,815	366,306
State and political subdivisions \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	658,815	366,306
Mortgage-backed securities - residential
Financial Assets
Securities available for sale	655,186	161,782
Mortgage-backed securities - residential \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	655,186	161,782
Equity securities at fair value \| Fair Value, Measurements, Recurring
Financial Assets
Equity securities	228	538
Interest rate swaps
Financial Assets
Derivative Assets	4,261	4,221
Interest rate swaps \| Fair Value, Measurements, Recurring
Financial Liabilities
Derivative liabilities	4,261	4,221
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Fair Value, Measurements, Recurring
Financial Assets
Total investment securities	228	538
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Corporate bonds \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Collateralized mortgage obligations \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Small Business Administration \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| U.S. Treasury and U.S. government sponsored entities \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| State and political subdivisions \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Mortgage-backed securities - residential \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Equity securities at fair value \| Fair Value, Measurements, Recurring
Financial Assets
Equity securities	228	538
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate swaps
Financial Assets
Derivative Assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) \| Interest rate swaps \| Fair Value, Measurements, Recurring
Financial Liabilities
Derivative liabilities	0	0
Significant Other Observable Inputs (Level 2) \| Fair Value, Measurements, Recurring
Financial Assets
Total investment securities	1,427,674	575,596
Significant Other Observable Inputs (Level 2) \| Corporate bonds \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	4,030	3,712
Significant Other Observable Inputs (Level 2) \| Collateralized mortgage obligations \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	13,385	26,393
Significant Other Observable Inputs (Level 2) \| Small Business Administration \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	5,430	5,562
Significant Other Observable Inputs (Level 2) \| U.S. Treasury and U.S. government sponsored entities \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	90,831	11,845
Significant Other Observable Inputs (Level 2) \| State and political subdivisions \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	658,815	366,306
Significant Other Observable Inputs (Level 2) \| Mortgage-backed securities - residential \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	655,183	161,778
Significant Other Observable Inputs (Level 2) \| Equity securities at fair value \| Fair Value, Measurements, Recurring
Financial Assets
Equity securities	0	0
Significant Other Observable Inputs (Level 2) \| Interest rate swaps
Financial Assets
Derivative Assets	4,261	4,221
Significant Other Observable Inputs (Level 2) \| Interest rate swaps \| Fair Value, Measurements, Recurring
Financial Liabilities
Derivative liabilities	4,261	4,221
Significant Unobservable Inputs (Level 3) \| Fair Value, Measurements, Recurring
Financial Assets
Total investment securities	3	4
Significant Unobservable Inputs (Level 3) \| Corporate bonds \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Significant Unobservable Inputs (Level 3) \| Collateralized mortgage obligations \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Significant Unobservable Inputs (Level 3) \| Small Business Administration \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Significant Unobservable Inputs (Level 3) \| U.S. Treasury and U.S. government sponsored entities \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Significant Unobservable Inputs (Level 3) \| State and political subdivisions \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	0	0
Significant Unobservable Inputs (Level 3) \| Mortgage-backed securities - residential \| Fair Value, Measurements, Recurring
Financial Assets
Securities available for sale	3	4
Significant Unobservable Inputs (Level 3) \| Equity securities at fair value \| Fair Value, Measurements, Recurring
Financial Assets
Equity securities	0	0
Significant Unobservable Inputs (Level 3) \| Interest rate swaps
Financial Assets
Derivative Assets	0	0
Significant Unobservable Inputs (Level 3) \| Interest rate swaps \| Fair Value, Measurements, Recurring
Financial Liabilities
Derivative liabilities	$ 0	$ 0

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