Investment Securities, Available-for-sale Securities, Gross Unrealized Loss Position (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	$ 102,731	$ 276,277
12 months or more - Fair Value	347,405	197,631
Total - Fair Value	450,136	473,908
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	4,229	16,767
12 months or more - Gross Unrealized Loss	37,768	26,785
Total - Gross Unrealized Loss	41,997	43,552
Available-for-sale, allowance for credit loss	0
U. S. Government Sponsored Enterprises [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	52,728	57,849
12 months or more - Fair Value	60,841	55,337
Total - Fair Value	113,569	113,186
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	1,459	1,290
12 months or more - Gross Unrealized Loss	4,146	4,647
Total - Gross Unrealized Loss	5,605	5,937
Mortgage-Backed Securities and Collateralized Mortgage Obligations - Residential [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	40,282	164,772
12 months or more - Fair Value	200,666	93,009
Total - Fair Value	240,948	257,781
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	2,477	13,010
12 months or more - Gross Unrealized Loss	28,047	18,139
Total - Gross Unrealized Loss	30,524	31,149
Corporate Bonds [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	9,721	52,805
12 months or more - Fair Value	66,897	28,542
Total - Fair Value	76,618	81,347
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	293	2,395
12 months or more - Gross Unrealized Loss	3,483	1,900
Total - Gross Unrealized Loss	3,776	4,295
Small Business Administration-Guaranteed Participation Securities [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	0	802
12 months or more - Fair Value	18,382	20,175
Total - Fair Value	18,382	20,977
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	0	71
12 months or more - Gross Unrealized Loss	2,062	2,067
Total - Gross Unrealized Loss	2,062	2,138
Other [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	0	49
12 months or more - Fair Value	619	568
Total - Fair Value	619	617
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	0	1
12 months or more - Gross Unrealized Loss	30	32
Total - Gross Unrealized Loss	$ 30	$ 33