XML 42 R30.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Capital Transactions (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Schedule of assumptions used and weighted average fair value for stock option grants |
|  | 2016 |
Expected annual dividend rate |  |  | 1.08 | %
Risk-free interest rate |  |  | 1.15 | %
Average expected life (years) |  |  | 5.7 |
Expected volatility of common stock |  |  | 0.412 |
Forfeiture rate |  |  | 0.0 | %
Weighted average fair value of option grants |  | $ | 5.27 |
Schedule of stock option activity |
|  | 2018 |  | 2017 |  | 2016 |
|  |  |  |  |  |  | Weighted |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  | Weighted |  | Average |  | Aggregate |  |  |  | Weighted |  |  |  | Weighted |
|  |  |  | Average |  | Remaining |  | Intrinsic |  |  |  | Average |  |  |  | Average |
|  | Number of |  | Exercise |  | Contractual |  | Value |  | Number of |  | Exercise |  | Number of |  | Exercise |
|  | Options |  | Price |  | Term |  | ($000) |  | Options |  | Price |  | Options |  | Price |
Outstanding at beginning of year |  | 458,103 |  | $ | 13.73 |  | 4.0 | years | $ | 18,034.1 |  | 819,981 |  | $ | 13.58 |  | 1,064,429 |  | $ | 13.64 |
Granted |  | — |  |  | — |  |  |  |  |  |  | — |  |  | — |  | 206,021 |  |  | 14.90 |
Exercised |  | (157,523) |  |  | 13.80 |  |  |  |  |  |  | (356,209) |  |  | 13.36 |  | (351,296) |  |  | 14.17 |
Cancelled |  | — |  |  | — |  |  |  |  |  |  | (5,669) |  |  | 14.33 |  | (99,173) |  |  | 14.90 |
Outstanding at end of year |  | 300,580 |  |  | 13.70 |  | 3.0 | years | $ | 9,249.4 |  | 458,103 |  |  | 13.73 |  | 819,981 |  |  | 13.58 |
Exercisable at December 31, 2018 |  | 235,672 |  |  | 13.36 |  | 2.7 | years | $ | 7,330.7 |  |  |  |  |  |  |  |  |  |  |
Exercisable at December 31, 2017 |  | 254,192 |  |  | 13.17 |  | 3.4 | years | $ | 10,150.8 |  |  |  |  |  |  |  |  |  |  |
Schedule of non-vested stock options |
|  |  |  | Weighted-Average |
|  | Number of |  | Grant-Date |
|  | Shares |  | Fair Value |
Non-vested shares at beginning of year |  | 203,911 |  | $ | 5.17 |
Granted |  | — |  |  | — |
Vested |  | (139,003) |  |  | 5.10 |
Cancelled |  | — |  |  | — |
Non-vested shares at end of year |  | 64,908 |  | $ | 5.32 |
Schedule of stock options outstanding |
|  |  |  | Options Outstanding |  | Options Exercisable |
|  |  |  |  |  | Weighted Average |  |  |  |  |  |  |  |  |
|  |  |  | Number |  | Remaining |  | Weighted Average |  | Number |  | Weighted Average |
Range of Exercise Prices |  | Outstanding |  | Contractual Life |  | Exercise Price |  | Exercisable |  | Exercise Price |
$12.00 | to | $13.99 |  | 193,231 |  | 2.4 | years |  | $ | 13.04 |  | 193,231 |  | $ | 13.04 |
$14.00 | to | $15.99 |  | 104,159 |  | 4.1 | years |  |  | 14.78 |  | 41,292 |  |  | 14.78 |
$16.00 | to | $19.00 |  | 3,190 |  | 3.8 | years |  |  | 18.31 |  | 1,149 |  |  | 17.25 |
$12.00 | to | $19.00 |  | 300,580 |  | 3.0 | years |  | $ | 13.70 |  | 235,672 |  | $ | 13.36 |
Schedule of restricted stock activity |
: |  |  |  |  |  |
|  |  |  |  | Weighted-Average |
|  |  |  |  | Grant-Date Fair |
|  | Number of RSUs |  |  | Value |
Non-vested RSUs outstanding at December 31, 2015 |  | 809,299 |  | $ | 13.13 |
Granted |  | 384,148 |  |  | 14.81 |
Vested |  | (215,146) |  |  | 13.29 |
Cancelled |  | (51,370) |  |  | 13.72 |
Non-vested RSUs outstanding at December 31, 2016 |  | 926,931 |  | $ | 13.65 |
Granted |  | 160,137 |  |  | 35.81 |
Vested |  | (230,903) |  |  | 12.01 |
Cancelled |  | (40,575) |  |  | 15.78 |
Non-vested RSUs outstanding at December 31, 2017 |  | 815,590 |  | $ | 18.35 |
Granted |  | 115,044 |  |  | 53.40 |
Vested |  | (330,580) |  |  | 13.57 |
Cancelled |  | (24,273) |  |  | 27.77 |
Non-vested RSUs outstanding at December 31, 2018 |  | 575,781 |  | $ | 27.71 |
Performance stock units |
Schedule of non-vested stock options | The following table summarizes the activity of performance share units granted at target as of December 31, 2018.
|  |  |  |  | Weighted-Average
|  |  |  |  | Grant-Date
|  | Number of PSUs |  |  | Fair Value
Non-vested PSUs outstanding at December 31, 2015 |  | 202,829 |  | $ | 13.62
Granted |  | 183,577 |  |  | 14.89
Vested |  | — |  |  | —
Cancelled |  | (22,413) |  |  | 14.16
Non-vested PSUs outstanding at December 31, 2016 |  | 363,993 |  | $ | 14.23
Granted |  | 119,315 |  |  | 35.81
Vested |  | — |  |  | —
Cancelled |  | (14,732) |  |  | 15.00
Non-vested PSUs outstanding at December 31, 2017 |  | 468,576 |  | $ | 19.70
Granted |  | 90,264 |  |  | 53.41
Additional PSUs awarded from the 2015 grant |  | 92,335 |  |  | 13.62
Vested |  | (277,029) |  |  | 13.62
Cancelled |  | (3,229) |  |  | 30.09
Non-vested PSUs outstanding at December 31, 2018 |  | 370,917 |  | $ | 30.84

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=109197908&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 option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=109197908&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=109197908&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=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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=109197908&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfSharebasedCompensationRestrictedStockAndRestrictedStockUnitsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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