Fair Value Measurements (Fair Value Inputs, Assets, Quantitative Information) (Details) - USD ($) $ in Thousands	9 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Available For Sale Securities [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Available For Sale Securities [Member] \| Minimum [Member]
Discount rate	7.00%
Available For Sale Securities [Member] \| Maximum [Member]
Discount rate	9.50%
Held-to-maturity [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Held-to-maturity [Member] \| Weighted Average [Member]
Discount rate	8.00%
Federal Home Loan And Atlantic Central Bank Stock [Member]
Fair Value Measurements, Valuation Techniques	Cost
Loans, Net Of Deferred Loan Fees And Costs [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Loans, Net Of Deferred Loan Fees And Costs [Member] \| Minimum [Member]
Discount rate	3.50%
Loans, Net Of Deferred Loan Fees And Costs [Member] \| Maximum [Member]
Discount rate	7.20%
Commercial Loan Held For Sale [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Commercial Loan Held For Sale [Member] \| Minimum [Member]
Discount rate	4.85%
Commercial Loan Held For Sale [Member] \| Maximum [Member]
Discount rate	7.05%
Investment In Unconsolidated Entity, Senior Note [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Investment In Unconsolidated Entity, Senior Note [Member] \| Weighted Average [Member]
Default rate	1.00%
Discount rate	4.75%
Investment In Unconsolidated Entity, Subordinated Note [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Investment In Unconsolidated Entity, Subordinated Note [Member] \| Weighted Average [Member]
Default rate	1.00%
Discount rate	11.00%
Assets Held For Sale [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Assets Held For Sale [Member] \| Minimum [Member]
Discount rate	3.67%
Assets Held For Sale [Member] \| Maximum [Member]
Discount rate	9.32%
Subordinated Debentures [Member]
Fair Value Measurements, Valuation Techniques	Discounted cash flow
Subordinated Debentures [Member] \| Weighted Average [Member]
Discount rate	7.00%
Significant Unobservable Inputs (Level 3) [Member] \| Available For Sale Securities [Member]
Assets, Fair Value Disclosure	$ 43,553
Significant Unobservable Inputs (Level 3) [Member] \| Held-to-maturity [Member]
Assets, Fair Value Disclosure	6,343	$ 6,039
Significant Unobservable Inputs (Level 3) [Member] \| Federal Home Loan And Atlantic Central Bank Stock [Member]
Assets, Fair Value Disclosure	991	1,613
Significant Unobservable Inputs (Level 3) [Member] \| Loans, Net Of Deferred Loan Fees And Costs [Member]
Assets, Fair Value Disclosure	1,373,325	1,219,625
Significant Unobservable Inputs (Level 3) [Member] \| Commercial Loan Held For Sale [Member]
Assets, Fair Value Disclosure	380,272	663,140
Significant Unobservable Inputs (Level 3) [Member] \| Investment In Unconsolidated Entity, Senior Note [Member]
Assets, Fair Value Disclosure	103,950	118,389
Significant Unobservable Inputs (Level 3) [Member] \| Investment In Unconsolidated Entity, Subordinated Note [Member]
Assets, Fair Value Disclosure	3,761	8,541
Significant Unobservable Inputs (Level 3) [Member] \| Assets Held For Sale [Member]
Assets, Fair Value Disclosure	314,994	360,711
Significant Unobservable Inputs (Level 3) [Member] \| Subordinated Debentures [Member]
Assets, Fair Value Disclosure	$ 9,873	$ 9,290

Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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- Definition

Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure fair value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Percentage of likelihood a loan will not be repaid and instead default, used as an input to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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Description of the inputs and valuation technique(s) used to measure fair value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)
-URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258

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