Loans (Summary of Loan Modifications by Concession Type) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	169	112	98
Pre- modification recorded investment	$ 17,872	$ 10,057	$ 20,819
Post- modification recorded investment	17,582	9,656	20,819
Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	6,946	3,853	15,269
Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	458	37	3,393
A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			43
Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	7,787	2,637	364
Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 2,391	$ 3,129	$ 1,750
Commercial Loan Portfolio
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	88	53	70
Pre- modification recorded investment	$ 15,727	$ 8,549	$ 19,712
Post- modification recorded investment	15,547	8,343	19,712
Commercial Loan Portfolio | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	6,016	3,049	14,526
Commercial Loan Portfolio | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	66	0	3,393
Commercial Loan Portfolio | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			43
Commercial Loan Portfolio | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	7,074	2,165	0
Commercial Loan Portfolio | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 2,391	$ 3,129	$ 1,750
Commercial Loan Portfolio | Commercial
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	67	36	54
Pre- modification recorded investment	$ 10,566	$ 6,416	$ 14,853
Post- modification recorded investment	10,534	6,311	14,853
Commercial Loan Portfolio | Commercial | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	4,967	2,308	11,533
Commercial Loan Portfolio | Commercial | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	0	0	1,527
Commercial Loan Portfolio | Commercial | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			43
Commercial Loan Portfolio | Commercial | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	4,129	1,827	0
Commercial Loan Portfolio | Commercial | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 1,438	$ 2,176	$ 1,750
Commercial Loan Portfolio | Commercial real estate:
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	21	16	16
Pre- modification recorded investment	$ 5,161	$ 2,097	$ 4,859
Post- modification recorded investment	5,013	1,997	4,859
Commercial Loan Portfolio | Commercial real estate: | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	1,049	706	2,993
Commercial Loan Portfolio | Commercial real estate: | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	66	0	1,866
Commercial Loan Portfolio | Commercial real estate: | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Commercial Loan Portfolio | Commercial real estate: | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	2,945	338	0
Commercial Loan Portfolio | Commercial real estate: | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 953	$ 953	$ 0
Commercial Loan Portfolio | Real estate construction and land development
Financing Receivable, Modifications [Line Items]
Total number of loans | loan		1
Pre- modification recorded investment		$ 36
Post- modification recorded investment		35
Commercial Loan Portfolio | Real estate construction and land development | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment		35
Commercial Loan Portfolio | Real estate construction and land development | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment		0
Commercial Loan Portfolio | Real estate construction and land development | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment		0
Commercial Loan Portfolio | Real estate construction and land development | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment		$ 0
Consumer Loan Portfolio
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	81	59	28
Pre- modification recorded investment	$ 2,145	$ 1,508	$ 1,107
Post- modification recorded investment	2,035	1,313	1,107
Consumer Loan Portfolio | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	930	804	743
Consumer Loan Portfolio | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	392	37	0
Consumer Loan Portfolio | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Consumer Loan Portfolio | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	713	472	364
Consumer Loan Portfolio | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 0	$ 0	$ 0
Consumer Loan Portfolio | Residential mortgage
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	9	11	4
Pre- modification recorded investment	$ 577	$ 763	$ 477
Post- modification recorded investment	567	680	477
Consumer Loan Portfolio | Residential mortgage | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	269	297	477
Consumer Loan Portfolio | Residential mortgage | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	151	0	0
Consumer Loan Portfolio | Residential mortgage | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Consumer Loan Portfolio | Residential mortgage | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	147	383	0
Consumer Loan Portfolio | Residential mortgage | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 0	$ 0	$ 0
Consumer Loan Portfolio | Consumer installment
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	47	34	14
Pre- modification recorded investment	$ 492	$ 208	$ 87
Post- modification recorded investment	473	192	87
Consumer Loan Portfolio | Consumer installment | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	192	118	87
Consumer Loan Portfolio | Consumer installment | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	168	37	0
Consumer Loan Portfolio | Consumer installment | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Consumer Loan Portfolio | Consumer installment | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	113	37	0
Consumer Loan Portfolio | Consumer installment | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 0	$ 0	$ 0
Consumer Loan Portfolio | Home equity
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	25	14	10
Pre- modification recorded investment	$ 1,076	$ 537	$ 543
Post- modification recorded investment	995	441	543
Consumer Loan Portfolio | Home equity | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	469	389	179
Consumer Loan Portfolio | Home equity | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	73	0	0
Consumer Loan Portfolio | Home equity | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Consumer Loan Portfolio | Home equity | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	453	52	364
Consumer Loan Portfolio | Home equity | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 0	$ 0	$ 0
Non-owner occupied | Commercial Loan Portfolio | Commercial
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	2	3	3
Pre- modification recorded investment	$ 143	$ 629	$ 485
Post- modification recorded investment	134	592	485
Non-owner occupied | Commercial Loan Portfolio | Commercial | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	68	194	485
Non-owner occupied | Commercial Loan Portfolio | Commercial | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	66	0	0
Non-owner occupied | Commercial Loan Portfolio | Commercial | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Non-owner occupied | Commercial Loan Portfolio | Commercial | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	0	27	0
Non-owner occupied | Commercial Loan Portfolio | Commercial | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 0	$ 371	$ 0
Owner-occupied | Commercial Loan Portfolio | Commercial
Financing Receivable, Modifications [Line Items]
Total number of loans | loan	19	13	13
Pre- modification recorded investment	$ 5,018	$ 1,468	$ 4,374
Post- modification recorded investment	4,879	1,405	4,374
Owner-occupied | Commercial Loan Portfolio | Commercial | Principal deferral
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	981	512	2,508
Owner-occupied | Commercial Loan Portfolio | Commercial | Principal reduction
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	0	0	1,866
Owner-occupied | Commercial Loan Portfolio | Commercial | A/B Note Restructure
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment			0
Owner-occupied | Commercial Loan Portfolio | Commercial | Interest rate
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	2,945	311	0
Owner-occupied | Commercial Loan Portfolio | Commercial | Forbearance agreement
Financing Receivable, Modifications [Line Items]
Post- modification recorded investment	$ 953	$ 582	$ 0