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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Summary of Option Activity | A summary of option activity as of December 31, 2021, 2020 and 2019, and changes during each year, is presented below:
|  | Shares |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value |
|  | (In thousands) |  |  |  |  |  |  |  | (In thousands) |
Outstanding at December 31, 2018 |  |  | 1,294 |  |  | $ | 8.60 |  |  | 8.1 years |  | $ | 667 |
Granted |  |  | 591 |  |  |  | 9.70 |  |  |  |  |  |
Exercised |  |  | (111 | ) |  |  | 5.91 |  |  |  |  |  |
Forfeited or expired |  |  | (80 | ) |  |  | 9.24 |  |  |  |  |  |
Outstanding at December 31, 2019 |  |  | 1,694 |  |  |  | 9.13 |  |  | 7.9 years |  |  | 3,969 |
Granted |  |  | 660 |  |  |  | 8.73 |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |
Forfeited or expired |  |  | (458 | ) |  |  | 9.05 |  |  |  |  |  |
Outstanding at December 31, 2020 |  |  | 1,896 |  |  |  | 9.01 |  |  | 7.4 years |  |  | 114 |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |
Forfeited or expired |  |  | (278 | ) |  |  | 8.90 |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 1,618 |  |  | $ | 8.99 |  |  | 6.5 years |  | $ | 143 |
Vested and Exercisable at December 31, 2021 |  |  | 1,208 |  |  | $ | 9.02 |  |  | 6.0 years |  | $ | 80 |
Schedule of Weighted-Average Assumptions to Estimate Fair Value of Each Option | The fair value of each option was estimated on the date of grant using the Black-Scholes-Merton option-pricing formula, with the following weighted average assumptions. There were no stock options granted in 2021:
|  | 2021 |  |  | 2020 |  |  | 2019 |
Expected dividend yield |  |  | — |  |  |  | 3.02 | % |  |  | 3.80 | %
Expected volatility |  |  | — |  |  |  | 35.48 | % |  |  | 36.73 | %
Risk-free interest rate |  |  | — |  |  |  | 1.38 | % |  |  | 2.56 | %
Expected term of options |  |  | — |  |  | 7 years |  |  | 7 years |
Nonvested Performance Shares | A summary of the status of the Company's nonvested performance shares as of December 31, 2021, 2020 and 2019, and changes during each year, is presented below:
|  | Shares |  |  | Weighted-Average Grant-Date Fair Value |
Nonvested at December 31, 2018 |  |  | 988,837 |  |  | $ | 8.07 |
Granted |  |  | 626,776 |  |  |  | 8.87 |
Vested |  |  | (214,824 | ) |  |  | 8.49 |
Forfeited or unearned |  |  | (427,010 | ) |  |  | 8.34 |
Nonvested at December 31, 2019 |  |  | 973,779 |  |  |  | 8.38 |
Granted |  |  | 1,616,902 |  |  |  | 8.01 |
Vested |  |  | (224,681 | ) |  |  | 8.33 |
Forfeited or unearned |  |  | (1,466,729 | ) |  |  | 8.10 |
Nonvested at December 31, 2020 |  |  | 899,271 |  |  |  | 8.19 |
Granted |  |  | 935,825 |  |  |  | 8.38 |
Vested |  |  | (507,191 | ) |  |  | 8.85 |
Forfeited or unearned |  |  | (151,514 | ) |  |  | 6.52 |
Nonvested at December 31, 2021 |  |  | 1,176,391 |  |  | $ | 8.25 |
Restricted Shares | A summary of the status of the Company's restricted shares of CRD-A as of December 31, 2021, 2020 and 2019 and changes during each year, is presented below:
|  | Shares |  |  | Weighted-Average Grant-Date Fair Value |
Nonvested at December 31, 2018 |  |  | 72,109 |  |  | $ | 7.76 |
Granted |  |  | 149,496 |  |  |  | 9.38 |
Vested |  |  | (108,610 | ) |  |  | 9.04 |
Forfeited or unearned |  |  | (31,387 | ) |  |  | 9.55 |
Nonvested at December 31, 2019 |  |  | 81,608 |  |  |  | 8.35 |
Granted |  |  | 117,279 |  |  |  | 8.34 |
Vested |  |  | (119,327 | ) |  |  | 8.52 |
Forfeited or unearned |  |  | — |  |  |  | — |
Nonvested at December 31, 2020 |  |  | 79,560 |  |  |  | 8.08 |
Granted |  |  | 94,654 |  |  |  | 9.03 |
Vested |  |  | (138,635 | ) |  |  | 8.91 |
Forfeited or unearned |  |  | (10,579 | ) |  |  | 8.99 |
Nonvested at December 31, 2021 |  |  | 25,000 |  |  | $ | 7.23 |

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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=120381028&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 (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: 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) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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