Investment Securities, Available-for-sale Securities, Gross Unrealized Loss Position (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	$ 132,446	$ 276,277
12 months or more - Fair Value	336,501	197,631
Total - Fair Value	468,947	473,908
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	4,267	16,767
12 months or more - Gross Unrealized Loss	34,059	26,785
Total - Gross Unrealized Loss	38,326	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	53,231	57,849
12 months or more - Fair Value	60,899	55,337
Total - Fair Value	114,130	113,186
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	932	1,290
12 months or more - Gross Unrealized Loss	4,087	4,647
Total - Gross Unrealized Loss	5,019	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	59,807	164,772
12 months or more - Fair Value	193,110	93,009
Total - Fair Value	252,917	257,781
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	2,760	13,010
12 months or more - Gross Unrealized Loss	24,669	18,139
Total - Gross Unrealized Loss	27,429	31,149
Corporate Bonds [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	19,360	52,805
12 months or more - Fair Value	62,104	28,542
Total - Fair Value	81,464	81,347
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	573	2,395
12 months or more - Gross Unrealized Loss	3,480	1,900
Total - Gross Unrealized Loss	4,053	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	19,821	20,175
Total - Fair Value	19,821	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	1,791	2,067
Total - Gross Unrealized Loss	1,791	2,138
Other [Member]
Available for sale securities unrealized loss position - Fair Value [Abstract]
Less than 12 months - Fair Value	48	49
12 months or more - Fair Value	567	568
Total - Fair Value	615	617
Available for sale securities unrealized loss position - Gross Unrealized Loss [Abstract]
Less than 12 months - Gross Unrealized Loss	2	1
12 months or more - Gross Unrealized Loss	32	32
Total - Gross Unrealized Loss	$ 34	$ 33