Borrowings (Schedule of Borrowings) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Total borrowings, gross	$ 64,441	$ 303,430
Unamortized discount on acquired borrowings	(2,625)	(2,759)
Total borrowings	$ 61,816	$ 300,671
Weighted average interest rate	2.26%	2.12%
FHLB Principal Reducing Credit due July 24, 2023
Debt Instrument [Line Items]
Total borrowings, gross	$ 135	$ 168
Fixed rate	1.00%	1.00%
FHLB Principal Reducing Credit due December 22, 2023
Debt Instrument [Line Items]
Total borrowings, gross	$ 1,001	$ 1,029
Fixed rate	1.25%	1.25%
FHLB Principal Reducing Credit due January 15, 2026
Debt Instrument [Line Items]
Total borrowings, gross	$ 5,500	$ 6,500
Fixed rate	1.98%	1.98%
FHLB Principal Reducing Credit due June 26, 2028
Debt Instrument [Line Items]
Total borrowings, gross	$ 237	$ 245
Fixed rate	0.25%	0.00%
FHLB Principal Reducing Credit due July 17, 2028
Debt Instrument [Line Items]
Total borrowings, gross	$ 51	$ 55
Fixed rate	0.00%	0.00%
FHLB Principal Reducing Credit due August 18, 2028
Debt Instrument [Line Items]
Total borrowings, gross	$ 176	$ 181
Fixed rate	1.00%	1.00%
FHLB Principal Reducing Credit due August 22, 2028
Debt Instrument [Line Items]
Total borrowings, gross	$ 176	$ 181
Fixed rate	1.00%	1.00%
FHLB Principal Reducing Credit due December 20, 2028
Debt Instrument [Line Items]
Total borrowings, gross	$ 358	$ 367
Fixed rate	0.50%	0.50%
Other Borrowing due April 7, 2022
Debt Instrument [Line Items]
Total borrowings, gross	$ 103
Fixed rate	1.00%
FHLB Term Note due January 30, 2020
Debt Instrument [Line Items]
Total borrowings, gross		$ 100,000
Fixed rate		1.70%
FHLB Term Note due January 31, 2020
Debt Instrument [Line Items]
Total borrowings, gross		$ 68,000
Fixed rate		1.70%
FHLB Term Note due January 31, 2020
Debt Instrument [Line Items]
Total borrowings, gross		$ 30,000
Fixed rate		1.70%
FHLB Term Note due May 29, 2020
Debt Instrument [Line Items]
Total borrowings, gross		$ 40,000
Fixed rate		1.62%
Trust Preferred Securities due January 23, 2034
Debt Instrument [Line Items]
Total borrowings, gross	$ 20,620	$ 20,620
Weighted average interest rate	2.97%	4.64%
Basis spread on variable rate (as a percent)	2.70%	2.70%
Trust Preferred Securities due June 15, 2036
Debt Instrument [Line Items]
Total borrowings, gross	$ 25,774	$ 25,774
Weighted average interest rate	1.64%	3.28%
Basis spread on variable rate (as a percent)	1.39%	1.39%
Trust Preferred Securities due January 7, 2035
Debt Instrument [Line Items]
Total borrowings, gross	$ 10,310	$ 10,310
Weighted average interest rate	2.28%	3.99%
Basis spread on variable rate (as a percent)	2.00%	2.00%

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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Amount, after accumulated amortization, of debt discount.

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- Definition

Weighted average interest rate of debt outstanding.

+ References

No definition available.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
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-Section 50
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