Debt (Lines-Of-Credit And Notes Payable) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Debt Instrument [Line Items]
Unamortized debt issuance costs	$ (7,261)
Total	138,386	$ 146,160
Carrying Amount of Pledged Assets	238,130	241,818
Lines-Of-Credit And Notes Payable [Member]
Debt Instrument [Line Items]
Unamortized debt issuance costs	(1,267)	(1,410)
NBA Eilan Loan [Member]
Debt Instrument [Line Items]
Balance	$ 15,903	$ 18,820
Interest Rate	4.75%	4.95%
Carrying Amount of Pledged Assets	$ 28,491	$ 31,259
Fifth Third Syndicated LOC [Member]
Debt Instrument [Line Items]
Balance	$ 30,000	$ 30,000
Interest Rate	2.25%	3.85%
Carrying Amount of Pledged Assets	$ 50,822	$ 49,062
Fifth Third Syndicated Term Loan [Member]
Debt Instrument [Line Items]
Balance	$ 93,750	$ 98,750
Interest Rate	2.25%	3.71%
Carrying Amount of Pledged Assets	$ 158,817	$ 161,497

Lines Of Credit And Notes Payable, Gross

No definition available.

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- Definition

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

+ References

+ Details

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- Definition

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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- Definition

Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

+ References

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- Definition

Amount of long-term debt classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16))
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-Section S99
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-Subparagraph (SX 210.9-03(16))
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- Definition

The fair value, as of the date of each statement of financial position presented, of real estate which is owned but transferred to serve as collateral for the payment of the related debt obligation, and that is reclassified and separately reported in the statement of financial position because the transferee has the right by contract or custom to sell or re-pledge it.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

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