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Pension and Equity Incentive Plans (Summary of Stock Option Activity) (Details) - $ / shares | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018
Pension and Equity Incentive Plans [Abstract] |  |  |  |
Outstanding, Beginning Balance - Number of Options | 1,200,975 | 1,104,600 | 1,104,600 |
Options Forfeited - Number of Options |  |  |  |
Options Exercised - Number of Options | (500) |  |  |
Options Granted - Number of Options |  |  |  |
Options Expired - Number of Options |  |  |  |
Outstanding, Ending Balance - Number of Options | 1,200,475 | 1,104,600 | 1,200,975 | 1,104,600
Outstanding, Range of Exercise Price, Lower Range Limit (per share) | $ 8.93 | $ 8.93 | $ 8.93 | $ 8.93
Outstanding, Range of Exercise Price, Upper Range Limit (per share) | 13.32 | 13.32 | 13.32 | 13.32
Options Exercised - Exercise Price | 10.55 |  |  |
Outstanding Number of Options, Beginning Balance - Weighted Average Exercise Price | 11.45 | 11.36 | 11.36 |
Number of Options, Exercised - Weighted Average Exercise Price | 10.55 |  |  |
Outstanding Number of Options, Ending Balance - Weighted Average Exercise Price | $ 11.45 | $ 11.36 | $ 11.45 | $ 11.36

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- Definition Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(4) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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