XML 45 R31.htm IDEA: XBRL DOCUMENT
v3.21.2

Equity Incentive Plan (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2021
Equity Incentive Plan |
Share-based Compensation Arrangements by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block] | A summary of the performance unit awards is as follows:
Date of Award |  | Number of Units Granted |  | Grant Date Fair Value |  | Conversion Range |  | Risk Free Interest Rate |  | Volatility
February 2018 (1) |  | 264,000 |  | $13.99 |  | 0% to 150% |  | 2.42% |  | 27.44%
February 2019 |  | 260,000 |  | $19.16 |  | 0% to 200% |  | 2.52% |  | 27.19%
February 2020 |  | 489,000 |  | $11.59 |  | 0% to 200% |  | 1.08% |  | 23.46%
February 2021 |  | 431,151 |  | $20.90 |  | 0% to 200% |  | 0.23% |  | 69.47%
(1) In February 2021, following the end of the measurement period, the Company met certain threshold criterion and the performance units were converted into approximately 26,000 restricted shares.
Restricted share awards |
Equity Incentive Plan |
Summary of the unvested restricted shares | A summary of the unvested restricted shares as of June 30, 2021 is as follows:
| 2021
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested at January 1, 2021 | 1,252,228 |  |  | $ | 15.17 |
Granted | 1,733,358 |  |  | 15.93 |
Vested | (408,776) |  |  | 15.46 |
Forfeited | (1,382) |  |  | 11.29 |
Unvested at June 30, 2021 | 2,575,428 |  |  | $ | 15.64 |

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding performance-based awards that are fully vested and expected to vest. Includes, but is not limited to, unvested awards for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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=120381028&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationArrangementByShareBasedPaymentAwardPerformanceBasedUnitsVestedAndExpectedToVestTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |