Investment Securities, Available-for-sale Securities, Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	$ 478,278	$ 429,360
Gross Unrealized Gains	6,773	9,928
Gross Unrealized Losses	2,236	217
Fair Value	482,815	439,071
U. S. Government Sponsored Enterprises [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	74,972	20,000
Gross Unrealized Gains	0	0
Gross Unrealized Losses	393	32
Fair Value	74,579	19,968
State and Political Subdivisions [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	48	103
Gross Unrealized Gains	0	0
Gross Unrealized Losses	0	0
Fair Value	48	103
Mortgage-Backed Securities and Collateralized Mortgage Obligations - Residential [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	312,052	308,432
Gross Unrealized Gains	5,083	7,749
Gross Unrealized Losses	1,479	23
Fair Value	315,656	316,158
Corporate Bonds [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	54,516	59,185
Gross Unrealized Gains	495	916
Gross Unrealized Losses	364	162
Fair Value	54,647	59,939
Small Business Administration-Guaranteed Participation Securities [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	36,004	40,955
Gross Unrealized Gains	1,195	1,262
Gross Unrealized Losses	0	0
Fair Value	37,199	42,217
Other [Member]
Amortized cost and fair value of the securities available for sale [Abstract]
Amortized Cost	686	685
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Value	$ 686	$ 686