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Equity Compensation, Employment Agreements and Other Benefit Plans (Deferred Compensation Plans) (Details) - Deferred Compensation Plans - USD ($) | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Deferrable compensation by the employee, maximum | 100.00% |  |
Expenses related to Deferred Plans | $ 663,000 | $ (165,000) | $ 171,000
Cash distributed to the participants | 568,900 | 123,700 | 0
Undistributed Income Deferred | 2,349,000 | 2,263,000 |
Liability Under Deferred Plans | 3,071,000 | 2,417,000 |
Non-employee directors |  |  |
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items] |  |  |
Expenses related to Deferred Plans | 663,000 | (165,000) | $ 171,000
Undistributed Income Deferred | 2,349,000 | 2,263,000 |
Liability Under Deferred Plans | $ 3,071,000 | $ 2,417,000 |

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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + Details
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