Investment Securities, Available-for-sale Securities, Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	$ 499,182	$ 525,030
Gross Unrealized Gains	2	35
Gross Unrealized Losses	49,049	43,552
Fair Value	450,135	481,513
U. S. Government Sponsored Enterprises [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	126,702	124,123
Gross Unrealized Gains	1	1
Gross Unrealized Losses	5,229	5,937
Fair Value	121,474	118,187
State and Political Subdivisions [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	34	34
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	34	34
Mortgage-Backed Securities and Collateralized Mortgage Obligations - Residential [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	272,012	291,431
Gross Unrealized Gains	1	34
Gross Unrealized Losses	38,294	31,149
Fair Value	233,719	260,316
Corporate Bonds [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	80,270	85,641
Gross Unrealized Gains	0	0
Gross Unrealized Losses	3,335	4,295
Fair Value	76,935	81,346
Small Business Administration-Guaranteed Participation Securities [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	19,477	23,115
Gross Unrealized Gains	0	0
Gross Unrealized Losses	2,161	2,138
Fair Value	17,316	20,977
Other [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	687	686
Gross Unrealized Gains	0	0
Gross Unrealized Losses	30	33
Fair Value	$ 657	$ 653