Repurchase Agreements (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial Instruments Pledged as Collateral [Abstract]
Debt securities available-for-sale	$ 1,298,592	$ 1,455,429
Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	230,123	271,088
Securities Sold under Agreements to Repurchase [Member] | Asset Pledged as Collateral [Member]
Financial Instruments Pledged as Collateral [Abstract]
Debt securities available-for-sale	263,900	317,100
Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	120,268	111,240
Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	31,000	500
30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	2,355	105,000
Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	76,500	54,348
U.S. Treasury and Government Agencies [Member]
Financial Instruments Pledged as Collateral [Abstract]
Debt securities available-for-sale	401,772	295,770
U.S. Treasury and Government Agencies [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	19,826	18,632
U.S. Treasury and Government Agencies [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	6,645	3,176
U.S. Treasury and Government Agencies [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	8,153	16
U.S. Treasury and Government Agencies [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	55	5,400
U.S. Treasury and Government Agencies [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	4,973	10,040
State and Political Subdivisions [Member]
Financial Instruments Pledged as Collateral [Abstract]
Debt securities available-for-sale	258,076	334,203
State and Political Subdivisions [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	107,411	106,919
State and Political Subdivisions [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	90,502	83,375
State and Political Subdivisions [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	5,155	484
State and Political Subdivisions [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	1,663	13,633
State and Political Subdivisions [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	10,091	9,427
U.S. Government Sponsored Agency Mortgage-backed Securities [Member]
Financial Instruments Pledged as Collateral [Abstract]
Debt securities available-for-sale	549,039	730,809
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	102,886	145,537
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Overnight and Continuous [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	23,121	24,689
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Up to 30 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	17,692	0
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | 30-90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	637	85,967
U.S. Government Sponsored Agency Mortgage-backed Securities [Member] | Greater Than 90 Days [Member] | Securities Sold under Agreements to Repurchase [Member]
Remaining contractual maturity of securities sold under agreements to repurchase by class of collateral pledged [Abstract]
Repurchase agreements and repurchase-to-maturity transactions	$ 61,436	$ 34,881