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Stock-Based Compensation - RSU (Details) $ / shares in Units, shares in Thousands | 6 Months Ended
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Jun. 30, 2020 USD ($) $ / shares shares
Weighted Average Grant Date Fair Value [Roll Forward] |
Unrecognized compensation expense related to restricted stock awards | $ | $ 3,500,000
Weighted average remaining contractual terms | 1 year 3 months 18 days
Restricted Stock Awards |
Shares [Roll Forward] |
Non-vested, beginning of period (in shares) | shares | 939
Granted (in shares) | shares | 53
Vested (in shares) | shares | (125)
Forfeited (in shares) | shares | (12)
Non-vested, end of period (in shares) | shares | 855
Weighted Average Grant Date Fair Value [Roll Forward] |
Non-vested, beginning of period (in dollars per share) | $ / shares | $ 5.02
Granted (in dollars per share) | $ / shares | 5.22
Vested (in dollars per share) | $ / shares | 6.02
Forfeited (in dollars per share) | $ / shares | 5.69
Non-vested, end of period (in dollars per share) | $ / shares | $ 4.88
Options |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Compensation costs related to unvested stock options not yet recognized | $ | $ 1,100,000
Value of estimated forfeitures | $ | $ 93,000
Weighted-average period of amortization | 2 years 7 months 6 days

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + 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 (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit 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 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment 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 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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 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=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for equity-based awards excluding options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (e)(1) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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