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Investments - Textual (Details)	9 Months Ended
	Sep. 30, 2022 USD ($) security Loans	Sep. 30, 2021 USD ($)	Apr. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)
Schedule of Available-for-sale Securities
Income tax impact from the reclassification of unrealized net gains on available-for-sale securities to realized net gains on available-for-sale securities	$ (230,000)	$ 11,000
Threshold period of value decline in available-for-sale securities to be considered other than temporary impairment	12 months
Threshold percentage of value decline in available-for-sale securities to be considered other than temporary impairment	10.00%
Threshold amount of value decline in available-for-sale securities to be considered other than temporary impairment	$ 75,000
Other than temporary impairment losses on investment securities	0
Debt securities, amortized cost	$ 772,677,000			$ 1,098,373,000
Available-for-sale Securities, Number of Securities, Loss Position | Loans	8
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain (Loss), before Tax	$ (104,377,000)			10,835,000
Held-to-maturity investment securities	191,975,000		$ 306,700,000
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	38,064,000		$ 25,300,000
Available-for-sale debt securities	668,300,000			1,109,208,000
Asset Pledged as Collateral
Schedule of Available-for-sale Securities
Available-for-sale debt securities	$ 177,503,000
U.S. Government agencies
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	1
Debt securities, amortized cost	$ 344,000			373,000
Available-for-sale debt securities	$ 333,000			379,000
Obligations of states and political subdivisions
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	97
Debt securities, amortized cost	$ 219,720,000			512,952,000
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	28,121,000
Available-for-sale debt securities	$ 182,598,000			526,467,000
Obligations of states and political subdivisions | Less than 12 months
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security	73
Obligations of states and political subdivisions | More Than Twelve Months
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security	22
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	85
Debt securities, amortized cost	$ 123,093,000			213,471,000
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	1,317,000
Available-for-sale debt securities	$ 115,340,000			214,439,000
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | Less than 12 months
Schedule of Available-for-sale Securities
Debt Securities, Available-For-Sale And Held To Maturity, Unrealized Loss Position, Number Of Securities | security	49
U.S. Government sponsored entities and agencies collateralized by residential mortgage obligations | Greater than 12 months
Schedule of Available-for-sale Securities
Debt Securities, Available-For-Sale And Held To Maturity, Unrealized Loss Position, Number Of Securities | security	15
Private label mortgage and asset backed securities
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	97
Debt securities, amortized cost	$ 419,531,000			317,089,000
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	6,033,000
Available-for-sale debt securities	$ 361,481,000			313,220,000
Private label mortgage and asset backed securities | Less than 12 months
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security	48
Private label mortgage and asset backed securities | Greater than 12 months
Schedule of Available-for-sale Securities
Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions | security	45
Corporate debt securities
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	13
Debt securities, amortized cost				44,500,000
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss	$ 2,593,000
Available-for-sale debt securities				44,778,000
U.S. Treasury securities
Schedule of Available-for-sale Securities
Available-for-sale securities, number of positions | security	1
Debt securities, amortized cost	$ 9,989,000			9,988,000
Available-for-sale debt securities	$ 8,548,000			$ 9,925,000

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