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Stock-Based Compensation Plans and Employee Benefits - Directors' Awards (Details) - Directors $ / shares in Units, $ in Millions | 9 Months Ended
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Sep. 30, 2020 USD ($) $ / shares shares
CSE |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares granted (in shares) | 2,438
Grant date fair value (in dollars per share) | $ / shares | $ 11.48
CSE and Restricted Stock Awards |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Non-vested, outstanding (in shares) | 178,864
Non-vested, aggregate intrinsic value | $ | $ 2.1
Award Date One |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares granted (in shares) | 79,138
Grant date fair value (in dollars per share) | $ / shares | $ 9.75
Award Date Two |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Number of shares granted (in shares) | 10,710
Grant date fair value (in dollars per share) | $ / shares | $ 11.52

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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date. + 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)(2)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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. + Details
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- Definition Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References No definition available. + Details
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