Loans (Allowance for Credit Losses) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 15,786	$ 14,848	$ 15,057	$ 15,086
Provision for credit losses	(910)		(1,615)	160
Recoveries	1	54	47	215
Charge-offs	(93)	(2)	(115)	(241)
Ending balance	16,604	14,900	16,604	14,900
Allowance for Credit Losses:
Individually evaluated for impairment	309		309		$ 360
Collectively evaluated for impairment	16,295		16,295		14,697
Balances, end of period	16,604	14,900	16,604	14,900	15,057
Loans:
Individually evaluated for impairment	8,138		8,138		10,067
Collectively evaluated for impairment	1,423,384		1,423,384		1,181,592
Balances, end of period	1,431,522		1,431,522		1,191,659
Residential Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	2,366	2,540	2,498	3,408
Provision for credit losses	(1,009)	787	(1,157)	1,434
Recoveries	1	48	33	56
Charge-offs			(16)	(229)
Ending balance	1,358	1,801	1,358	1,801
Allowance for Credit Losses:
Individually evaluated for impairment	160		160		178
Collectively evaluated for impairment	1,198		1,198		2,320
Balances, end of period	1,358	1,801	1,358	1,801	2,498
Loans:
Individually evaluated for impairment	7,257		7,257		9,006
Collectively evaluated for impairment	179,294		179,294		192,353
Balances, end of period	186,551		186,551		201,359
Commercial Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	9,290	8,752	8,758	9,453
Provision for credit losses	(695)	(719)	1,227	(18)
Ending balance	9,985	9,471	9,985	9,471
Allowance for Credit Losses:
Collectively evaluated for impairment	9,985		9,985		8,758
Balances, end of period	9,985	9,471	9,985	9,471	8,758
Loans:
Individually evaluated for impairment	586		586		696
Collectively evaluated for impairment	927,945		927,945		704,292
Balances, end of period	928,531		928,531		704,988
Commercial and Industrial [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	2,671	2,467	2,775	1,689
Provision for credit losses	1,126	(277)	(1,011)	(904)
Recoveries		3	11	154
Charge-offs	(88)		(88)
Ending balance	3,709	2,747	3,709	2,747
Allowance for Credit Losses:
Individually evaluated for impairment	48		48		71
Collectively evaluated for impairment	3,661		3,661		2,704
Balances, end of period	3,709	2,747	3,709	2,747	2,775
Loans:
Individually evaluated for impairment	92		92		141
Collectively evaluated for impairment	121,053		121,053		146,451
Balances, end of period	121,145		121,145		146,592
Foreign Banks [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	651	554	457	348
Provision for credit losses	(74)	29	(268)	(177)
Ending balance	725	525	725	525
Allowance for Credit Losses:
Collectively evaluated for impairment	725		725		457
Balances, end of period	725	525	725	525	457
Loans:
Collectively evaluated for impairment	94,450		94,450		59,491
Balances, end of period	94,450		94,450		59,491
Consumer and Other [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	808	535	569	188
Provision for credit losses	(24)	180	(266)	(175)
Recoveries		3	3	5
Charge-offs	(5)	(2)	(11)	(12)
Ending balance	827	356	827	356
Allowance for Credit Losses:
Individually evaluated for impairment	101		101		111
Collectively evaluated for impairment	726		726		458
Balances, end of period	827	$ 356	827	$ 356	569
Loans:
Individually evaluated for impairment	203		203		224
Collectively evaluated for impairment	100,642		100,642		79,005
Balances, end of period	$ 100,845		$ 100,845		$ 79,229