Business Segments - Schedule of the wealth management division's revenue and expenses (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Segment Reporting Information [Line Items]
Net interest income (Expense)	$ 13,157			$ 12,907			$ 37,728	$ 37,977
Gain on sales of loans							1,280	913
Other noninterest income	48			246			242	447
Provision for credit losses	1,544			216			2,200	1,283
Noninterest expense	12,890			14,133			37,777	39,474
Income (loss) before taxes	3,974			2,776			10,787	8,337
Income tax expense (benefit)	550			457			1,630	1,375
Net Income (Loss)	3,424	$ 3,185	$ 2,548	2,319	$ 2,058	$ 2,585	9,157	6,962
Other data:
Total assets	1,881,701						1,881,701		$ 1,825,597
Community Banking [Member]
Segment Reporting Information [Line Items]
Interest Income	20,626			17,770			57,625	49,454
Interest Expense	8,730			7,563			24,239	18,015
Net interest income (Expense)	11,896			10,207			33,386	31,439
Gain on sales of loans	627			253			1,280	589
Other noninterest income	3,108			1,750			7,512	5,487
Net Revenue (Expense)	15,631			12,210			42,178	37,515
Provision for credit losses	1,609			453			1,902	1,405
Noninterest expense	11,957			11,131			34,936	32,247
Income (loss) before taxes	2,065			626			5,340	3,863
Income tax expense (benefit)	145			3			466	443
Net Income (Loss)	1,920			623			4,874	3,420
Other data:
Capital expenditures	231			1,120			743	1,091
Depreciation and amortization	431			715			1,014	989
Total assets	1,646,503						1,646,503		1,562,600
Marine Lending [Member]
Segment Reporting Information [Line Items]
Interest Income	3,060			4,412			9,702	11,634
Interest Expense	1,445			1,358			4,297	4,033
Net interest income (Expense)	1,615			3,054			5,405	7,601
Gain on sales of loans	0			12			0	324
Other noninterest income	0			1,013			0	1,106
Net Revenue (Expense)	1,615			4,079			5,405	9,031
Provision for credit losses	(65)			(237)			298	(122)
Noninterest expense	114			2,285			467	4,925
Income (loss) before taxes	1,566			2,031			4,640	4,228
Income tax expense (benefit)	328			427			974	888
Net Income (Loss)	1,238			1,604			3,666	3,340
Other data:
Capital expenditures	0			0			0	36
Depreciation and amortization	0			32			0	224
Total assets	233,065						233,065		261,011
Wealth Management [Member]
Segment Reporting Information [Line Items]
Interest Income	0			0			0	0
Interest Expense	0			0			0	0
Net interest income (Expense)	0			0			0	0
Gain on sales of loans	0			0			0	0
Other noninterest income	1,516			1,190			4,244	3,611
Net Revenue (Expense)	1,516			1,190			4,244	3,611
Provision for credit losses	0			0			0	0
Noninterest expense	727			629			2,074	1,902
Income (loss) before taxes	789			561			2,170	1,709
Income tax expense (benefit)	166			117			456	359
Net Income (Loss)	623			444			1,714	1,350
Other data:
Capital expenditures	0			0			3	0
Depreciation and amortization	32			31			95	94
Total assets	987						987		1,080
All Other [Member]
Segment Reporting Information [Line Items]
Interest Income	0			0			0	0
Interest Expense	354			354			1,063	1,063
Net interest income (Expense)	(354)			(354)			(1,063)	(1,063)
Gain on sales of loans	0			0			0	0
Other noninterest income	0			0			0	0
Net Revenue (Expense)	(354)			(354)			(1,063)	(1,063)
Provision for credit losses	0			0			0	0
Noninterest expense	92			88			300	400
Income (loss) before taxes	(446)			(442)			(1,363)	(1,463)
Income tax expense (benefit)	(89)			(90)			(266)	(315)
Net Income (Loss)	(357)			(352)			(1,097)	(1,148)
Other data:
Capital expenditures	0			0			0	0
Depreciation and amortization	17			17			51	51
Total assets	1,146						1,146		906
Eliminations [Member]
Segment Reporting Information [Line Items]
Interest Income	0			0			0	0
Interest Expense	0			0			0	0
Net interest income (Expense)	0			0			0	0
Gain on sales of loans	0			0			0	0
Other noninterest income	0			0			0	0
Net Revenue (Expense)	0			0			0	0
Provision for credit losses	0			0			0	0
Noninterest expense	0			0			0	0
Income (loss) before taxes	0			0			0	0
Income tax expense (benefit)	0			0			0	0
Net Income (Loss)	0			0			0	0
Other data:
Capital expenditures	0			0			0	0
Depreciation and amortization	0			0			0	0
Total assets	0						0		0
Consolidated [Member]
Segment Reporting Information [Line Items]
Interest Income	23,686			22,182			67,327	61,088
Interest Expense	10,529			9,275			29,599	23,111
Net interest income (Expense)	13,157			12,907			37,728	37,977
Gain on sales of loans	627			265			1,280	913
Other noninterest income	4,624			3,953			11,756	10,204
Net Revenue (Expense)	18,408			17,125			50,764	49,094
Provision for credit losses	1,544			216			2,200	1,283
Noninterest expense	12,890			14,133			37,777	39,474
Income (loss) before taxes	3,974			2,776			10,787	8,337
Income tax expense (benefit)	550			457			1,630	1,375
Net Income (Loss)	3,424			2,319			9,157	6,962
Other data:
Capital expenditures	231			1,120			746	1,127
Depreciation and amortization	480			$ 795			1,160	$ 1,358
Total assets	$ 1,881,701						$ 1,881,701		$ 1,825,597