Loans (Schedule of Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2019	Dec. 31, 2018
Financing Receivable, Impaired [Line Items]
Recorded Investment	$ 38,560	$ 43,356
Unpaid Principal Balance	38,576	43,607
Related Allowance	1,222	2,142
Average Impaired Balance	39,836	37,972
Interest Income Recognized while impaired	1,812	1,680
Commercial [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,813	1,019
Without a related allowance, Unpaid Principal Balance	4,813	1,253
Without a related allowance, Average Impaired Balance	5,193	321
Without a related allowance, Interest Income Recognized while impaired	304	16
With a related allowance, Recorded Investment	116	3,343
With a related allowance, Unpaid Principal Balance	116	3,342
With a related allowance, Related Allowance	12	682
With a related allowance, Average Impaired Balance	54	705
With a related allowance, Interest Income Recognized while impaired	2	39
Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	7,245	8,600
Without a related allowance, Unpaid Principal Balance	7,246	8,605
Without a related allowance, Average Impaired Balance	7,637	7,730
Without a related allowance, Interest Income Recognized while impaired	229	318
With a related allowance, Recorded Investment	3,884	2,969
With a related allowance, Unpaid Principal Balance	3,888	2,969
With a related allowance, Related Allowance	414	462
With a related allowance, Average Impaired Balance	3,903	2,397
With a related allowance, Interest Income Recognized while impaired	113	117
Non-Owner Occupied [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	10,683	9,666
Without a related allowance, Unpaid Principal Balance	10,690	9,673
Without a related allowance, Average Impaired Balance	10,127	9,753
Without a related allowance, Interest Income Recognized while impaired	502	493
With a related allowance, Recorded Investment	0	189
With a related allowance, Unpaid Principal Balance	0	191
With a related allowance, Related Allowance	0	9
With a related allowance, Average Impaired Balance	0	226
With a related allowance, Interest Income Recognized while impaired	0	16
Land and Land Improvements [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	954	4,767
Without a related allowance, Unpaid Principal Balance	954	4,767
Without a related allowance, Average Impaired Balance	1,209	4,947
Without a related allowance, Interest Income Recognized while impaired	70	102
With a related allowance, Recorded Investment	1,025	1,057
With a related allowance, Unpaid Principal Balance	1,026	1,057
With a related allowance, Related Allowance	595	298
With a related allowance, Average Impaired Balance	1,036	1,073
With a related allowance, Interest Income Recognized while impaired	52	56
Construction [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0
Without a related allowance, Unpaid Principal Balance	0	0
Without a related allowance, Average Impaired Balance	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Non-Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	3,472	3,279
Without a related allowance, Unpaid Principal Balance	3,478	3,284
Without a related allowance, Average Impaired Balance	3,966	3,401
Without a related allowance, Interest Income Recognized while impaired	217	180
With a related allowance, Recorded Investment	1,831	2,982
With a related allowance, Unpaid Principal Balance	1,829	2,981
With a related allowance, Related Allowance	201	585
With a related allowance, Average Impaired Balance	2,145	2,539
With a related allowance, Interest Income Recognized while impaired	72	98
Jumbo [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	4,000	4,132
Without a related allowance, Unpaid Principal Balance	3,999	4,130
Without a related allowance, Average Impaired Balance	4,029	3,517
Without a related allowance, Interest Income Recognized while impaired	221	166
With a related allowance, Recorded Investment	0	821
With a related allowance, Unpaid Principal Balance	0	822
With a related allowance, Related Allowance	0	106
With a related allowance, Average Impaired Balance	0	827
With a related allowance, Interest Income Recognized while impaired	0	48
Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	523	523
Without a related allowance, Unpaid Principal Balance	523	523
Without a related allowance, Average Impaired Balance	523	523
Without a related allowance, Interest Income Recognized while impaired	29	30
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Mortgage Warehouse Lines [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	0	0
Without a related allowance, Unpaid Principal Balance	0	0
Without a related allowance, Average Impaired Balance	0	0
Without a related allowance, Interest Income Recognized while impaired	0	0
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Consumer Portfolio Segment [Member]
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	14	9
Without a related allowance, Unpaid Principal Balance	14	10
Without a related allowance, Average Impaired Balance	14	13
Without a related allowance, Interest Income Recognized while impaired	1	1
With a related allowance, Recorded Investment	0	0
With a related allowance, Unpaid Principal Balance	0	0
With a related allowance, Related Allowance	0	0
With a related allowance, Average Impaired Balance	0	0
With a related allowance, Interest Income Recognized while impaired	0	0
Total Without a Related Allowance
Financing Receivable, Impaired [Line Items]
Without a related allowance, Recorded Investment	31,704	31,995
Without a related allowance, Unpaid Principal Balance	31,717	32,245
Without a related allowance, Average Impaired Balance	32,698	30,205
Without a related allowance, Interest Income Recognized while impaired	1,573	1,306
Total With a Related Allowance
Financing Receivable, Impaired [Line Items]
With a related allowance, Recorded Investment	6,856	11,361
With a related allowance, Unpaid Principal Balance	6,859	11,362
With a related allowance, Related Allowance	1,222	2,142
With a related allowance, Average Impaired Balance	7,138	7,767
With a related allowance, Interest Income Recognized while impaired	239	374
Total Commercial
Financing Receivable, Impaired [Line Items]
Recorded Investment	28,720	31,610
Unpaid Principal Balance	28,733	31,857
Related Allowance	1,021	1,451
Average Impaired Balance	29,159	27,152
Interest Income Recognized while impaired	1,272	1,157
Total Residential Real Estate
Financing Receivable, Impaired [Line Items]
Recorded Investment	9,826	11,737
Unpaid Principal Balance	9,829	11,740
Related Allowance	201	691
Average Impaired Balance	10,663	10,807
Interest Income Recognized while impaired	539	522
Total Consumer
Financing Receivable, Impaired [Line Items]
Recorded Investment	14	9
Unpaid Principal Balance	14	10
Related Allowance	0	0
Average Impaired Balance	14	13
Interest Income Recognized while impaired	$ 1	$ 1