Allowance for Loan Losses (Loans Individually Evaluated for Impairment) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Financing Receivable, Impaired [Line Items]
Recorded investment with no related allowance	$ 14,192		$ 16,768
Recorded investment with related allowance	812		1,102
Total recorded investment	15,004		17,870
Contractual principal balance	15,980		19,247
Related allowance	340		385
Average Recorded Investment	16,396	$ 19,081
Interest Income Recognized	20	16
Cash Basis Interest Recognized	18	397
Commercial real estate
Financing Receivable, Impaired [Line Items]
Recorded investment with no related allowance	3,721		4,832
Recorded investment with related allowance	0		0
Total recorded investment	3,721		4,832
Contractual principal balance	4,014		5,156
Related allowance	0		0
Average Recorded Investment	4,015	5,467
Interest Income Recognized	0	0
Cash Basis Interest Recognized	0	173
Commercial and industrial
Financing Receivable, Impaired [Line Items]
Recorded investment with no related allowance	9,279		10,739
Recorded investment with related allowance	624		913
Total recorded investment	9,903		11,652
Contractual principal balance	10,437		12,521
Related allowance	318		363
Average Recorded Investment	10,998	10,868
Interest Income Recognized	11	9
Cash Basis Interest Recognized	18	224
Residential real estate
Financing Receivable, Impaired [Line Items]
Recorded investment with no related allowance	1,192		1,197
Recorded investment with related allowance	188		189
Total recorded investment	1,380		1,386
Contractual principal balance	1,529		1,570
Related allowance	22		22
Average Recorded Investment	1,383	2,746
Interest Income Recognized	9	7
Cash Basis Interest Recognized	0	$ 0
PCI Loans
Financing Receivable, Impaired [Line Items]
Total recorded investment	6,738		5,973
PCI Loans \| Commercial real estate
Financing Receivable, Impaired [Line Items]
Total recorded investment	2,990		2,884
PCI Loans \| Commercial and industrial
Financing Receivable, Impaired [Line Items]
Total recorded investment	779		135
PCI Loans \| Residential real estate
Financing Receivable, Impaired [Line Items]
Total recorded investment	$ 2,969		$ 2,954

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Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5212-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118936363&loc=d3e5258-111524

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
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-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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Amount of investment in impaired financing receivables for which there is no related allowance for credit losses.

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