XML 59 R43.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Employee Benefit Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2017
Multiemployer Plans [Line Items] |
Summary Of Stock Option Activity | A summary of the Company’s stock option activity and related information is presented below:
| 2017 | 2016 | 2015
| Options | Weighted-Average Exercise Price | Options | Weighted-Average Exercise Price | Options | Weighted-Average Exercise Price
Outstanding at January 1 | 86,613 |  | $ | 41.08 |  | 95,015 |  | $ | 38.38 |  | 167,554 |  | $ | 36.74 |
Granted | 17,631 |  | 66.32 |  | 24,348 |  | 43.73 |  | 12,961 |  | 46.41 |
Exercised | (16,639 | ) | 35.91 |  | (32,750 | ) | 35.28 |  | (81,500 | ) | 36.63 |
Forfeited | — |  | — |  | — |  | — |  | (4,000 | ) | 31.66 |
Outstanding at December 31 | 87,605 |  | $ | 47.15 |  | 86,613 |  | $ | 41.08 |  | 95,015 |  | $ | 38.38 |
Exercisable at end of year | 7,887 |  | $ | 37.37 |  | 3,000 |  | $ | 29.45 |  | 19,750 |  | $ | 34.54 |
Nonvested at beginning of year | 83,613 |  | 41.47 |  | 75,265 |  | 39.38 |  | 77,804 |  | 36.76 |
Granted during the year | 17,631 |  | 66.32 |  | 24,348 |  | 43.73 |  | 12,961 |  | 46.41 |
Vested during the year | (21,526 | ) | 37.31 |  | (16,000 | ) | 35.09 |  | (15,500 | ) | 32.09 |
Forfeited during the year | — |  | — |  | — |  | — |  | — |  | — |
Nonvested at end of year | 79,718 |  | $ | 48.08 |  | 83,613 |  | $ | 41.47 |  | 75,265 |  | $ | 39.38 |
Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in millions):
| For the year ended December 31,
| 2017 | 2016 | 2015
Proceeds from stock option exercises | $ | 0.6 |  | $ | 1.2 |  | $ | 3.0 |
Intrinsic value of stock options exercised | 0.5 |  | 0.6 |  | 0.9 |
Stock-based compensation expense associated with stock options | $ | 0.2 |  | $ | 0.2 |  | $ | 0.2 |
Income tax benefit recognized related to stock-based compensation | 0.1 |  | 0.1 |  | 0.1 |
At period-end: | 2017 |  |
Unrecognized stock-based compensation expense | $ | 0.4 |  |  |
Weighted average period in which the above amount is expected to be recognized | 2.6 |  | years |
Stock Options Outstanding And Exercisable | Additional information regarding the Company's stock options outstanding and exercisable at December 31, 2017, is provided in the following table:
Ranges of Exercise Prices | No. of Options Outstanding | Weighted-Average Exercise Price | Weighted-Average Remaining Contractual Life (Months) | Aggregate Intrinsic Value (in thousands) | No. of Options Currently Exercisable | Weighted-Average Exercise Price of Options Currently Exercisable | Weighted-Average Remaining Contractual Life (Months) | Aggregate Intrinsic Value of Options Currently Exercisable (in thousands)
$ 30.00 - 34.99 | 500 |  | $ | 30.38 |  | 0.9 | $ | 19 |  | 500 |  | $ | 30.38 |  | 0.9 |  | $ | 19 |
35.00 - 39.99 | 20,854 |  | 37.13 |  | 4.9 | 633 |  | 5,379 |  | 35.39 |  | 4.2 |  | 173 |
40.00 - 44.99 | 35,659 |  | 43.95 |  | 7.6 | 839 |  | 2,008 |  | 44.43 |  | 6.2 |  | 46 |
45.00 - 49.99 | 12,961 |  | 46.61 |  | 7.2 | 270 |  | — |  | — |  | — |  | — |
50.00 - 69.99 | 17,631 |  | 66.32 |  | 9.2 | $ | 20 |  | — |  | — |  | — |  | — |
| 87,605 |  |  |  | $ | 1,781 |  | 7,887 |  |  |  | $ | 238 |
Weighted Average Assumptions Estimate The Fair Value Of Options Granted | The following weighted average assumptions were used to estimate the fair value of options granted by the Company:
| Year ended December 31,
| 2017 | 2016 | 2015
Risk-free interest rate | 2.12 | % | 1.43 | % | 1.95 | %
Expected dividend yield | 2.60 | % | 3.86 | % | 3.50 | %
Volatility factor | 25.80 | % | 30.76 | % | 45.40 | %
Expected life of option | 7.0 years |  | 7.0 years |  | 7.0 years |
Restricted Shares Activity And Related Information | A summary of the Company’s restricted shares activity and related information is presented below:
| 2017 | 2016 | 2015
| Restricted Awards | Average Market Price at Grant | Restricted Awards | Average Market Price at Grant | Restricted Awards | Average Market Price at Grant
Outstanding at January 1 | 180,622 |  |  | 172,921 |  |  | 163,431 |  |
Granted | 28,839 |  | $ | 64.42 |  | 30,601 |  | $ | 46.39 |  | 26,840 |  | $ | 46.45 |
Forfeited/Vested | (39,428 | ) |  | (22,900 | ) |  | (17,350 | ) |
Outstanding at December 31 | 170,033 |  |  | 180,622 |  |  | 172,921 |  |
Summary Of Activity Within The Defined Benefit Plan | The following table summarizes activity within the Company's Defined Benefit Plans (dollars in thousands):
| Pension Benefits
| 2017 | 2016
Change in fair value of plan assets: |  |
Fair value at beginning of measurement period | $ | 17,117 |  | $ | 17,435 |
Actual gain (loss) on plan assets | 1,890 |  | 669 |
Contributions | — |  | — |
Benefits paid | (2,647 | ) | (987 | )
Fair value at end of measurement period | 16,360 |  | 17,117 |
Change in benefit obligation: |  |
Benefit obligation at beginning of measurement period | (19,742 | ) | (19,700 | )
Interest cost | (772 | ) | (820 | )
Actuarial (loss) gain | (392 | ) | (263 | )
Assumption changes | (614 | ) | 54 |
Benefits paid | 2,647 |  | 987 |
Settlement loss | 385 |  | — |
Benefit obligation at end of measurement period | (18,488 | ) | (19,742 | )
Funded status | $ | (2,128 | ) | $ | (2,625 | )
Weighted-average assumptions for benefit obligation: |  |
Discount rate | 3.38 | % | 4.01 | %
Expected long-term rate of return | 6.56 | % | 5.83 | %
Weighted-average assumptions for net periodic pension cost: |  |
Discount rate | 4.02 | % | 4.26 | %
Expected long-term rate of return | 5.83 | % | 5.75 | %
Net Periodic Pension Cost Of The Defined Benefit Plan | The following table presents the components of the net periodic pension cost of the Company's Defined Benefit Plans (in thousands):
| 2017 | 2016 | 2015
Components of net periodic benefit: |  |  |
Interest cost | $ | 772 |  | $ | 820 |  | $ | 813 |
Expected return on plan assets | (1,219 | ) | (1,154 | ) | (937 | )
Settlement | (104 | ) | — |  | — |
Net amortization and deferral | 849 |  | 849 |  | 960 |
Net Periodic Pension Cost | $ | 298 |  | $ | 515 |  | $ | 836 |
Schedule of Defined Benefit Plan Amounts Recognized in Other Comprehensive Income (Loss) | Amounts related to the Company's Defined Benefit Pension Plans recognized as a component of other comprehensive income were as follows (in thousands):
| 2017 | 2016 | 2015
Net actuarial gain (loss) | $ | 838 |  | $ | 157 |  | $ | 935 |
Deferred tax (expense) benefit | (1,211 | ) | (58 | ) | (345 | )
Other comprehensive income (loss), net of tax | $ | (373 | ) | $ | 99 |  | $ | 590 |
Amounts recognized as a component of accumulated other comprehensive loss as of December 31, 2017 and 2016 were as follows (in thousands):
| 2017 | 2016
Net actuarial loss | $ | 6,560 |  | $ | 7,399 |
Deferred tax benefit | (1,527 | ) | (2,739 | )
Amounts included in accumulated other comprehensive loss, net of tax | $ | 5,033 |  | $ | 4,660 |
Summary Of Expected Benefit Payments | The following table summarizes the expected benefits to be paid in each of the next five years and in the aggregate for the five years thereafter (in thousands):
Plan Year Ending December 31, | Expected Benefits to be Paid
2018 | $ | 1,057 |
2019 | 4,658 |
2020 | 931 |
2021 | 936 |
2022 | 938 |
2023 through 2026 | 4,721 |
Summary Of Assets Segregated By Level Of Valuation Inputs Within The Fair Value Hierarchy | The major categories of assets in the Company’s Defined Benefit Plans as of year-end are presented in the following table (in thousands). Assets are segregated by the level of the valuation inputs within the fair value hierarchy established by ASC Topic 820 utilized to measure fair value (See Note Eighteen).
| Total | Level 1 | Level 2 | Level 3
2017 |  |  |  |
Cash and cash equivalents | $ | 1,202 |  | $ | 1,202 |  | $ | — |  | $ | — |
Mutual funds/Investment funds | 5,421 |  | 5,206 |  | 215 |  | — |
Common stocks | 5,575 |  | 3,763 |  | 1,812 |  | — |
Mortgage-backed securities | 301 |  | — |  | 301 |  | — |
U.S. Treasuries | 1,277 |  | — |  | 1,277 |  | — |
Corporate bonds | 1,223 |  | — |  | 1,223 |  | — |
Alternative investments** | 1,361 |  | 759 |  | — |  | — |
Total | $ | 16,360 |  | $ | 10,930 |  | $ | 4,828 |  | $ | — |
2016 |  |  |  |
Cash and cash equivalents | $ | 2,101 |  | $ | 2,101 |  | $ | — |  | $ | — |
Mutual funds/Investment funds | 6,063 |  | 5,797 |  | 266 |  | — |
Common stocks | 4,284 |  | 3,103 |  | 1,181 |  | — |
Mortgage-backed securities | 514 |  | — |  | 514 |  | — |
U.S. Treasuries | 971 |  | — |  | 971 |  | — |
Corporate bonds | 1,597 |  | — |  | 1,597 |  | — |
Alternative investments** | 1,587 |  | 972 |  | — |  | — |
Total | $ | 17,117 |  | $ | 11,973 |  | $ | 4,529 |  | $ | — |
** Includes an investment of $602 and $615 at December 31, 2017 and 2016, respectively, that has not been categorized in the fair value hierarchy, as permitted by ASU No. 2015-07.
Horizon Defined Benefit Plan |
Multiemployer Plans [Line Items] |
Schedule of Allocation of Plan Assets | The target, allowable, and current allocation percentages of plan assets are as follows:
| Target Allocation 2017 | Allowable- Allocation Range | Percentage of Plan Assets At December 31
| 2017 | 2016
Equity securities | 60.0 | % | 35-88% | 55 | % | 48 | %
Fixed income securities | 20.0 | % | 10-40% | 23 | % | 25 | %
Cash and cash equivalents | 5.0 | % | 2-20% | 9 | % | 15 | %
Alternative investments | 15.0 | % | 0-25% | 13 | % | 12 | %
Total | 100.0 | % |  | 100 | % | 100 | %
Community Defined Benefit Plan |
Multiemployer Plans [Line Items] |
Schedule of Allocation of Plan Assets | The target, allowable, and current allocation percentages of plan assets are as follows:
| Target Allocation 2017 | Allowable- Allocation Range | Percentage of Plan Assets At December 31
| 2017 | 2016
Equity securities | 40 | % | 29%-51% | 39 | % | 41 | %
Fixed income securities | 60 | % | 49%-71% | 61 | % | 59 | %
| 100 | % |  | 100 | % | 100 | %

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_MultiemployerPlansLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (d)(5) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAllocationOfPlanAssetsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the assumptions used to determine for pension plans and/or other employee benefit plans the benefit obligation and net benefit cost, including assumed discount rates, rate increase in compensation increase, and expected long-term rates of return on plan assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (k) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfAssumptionsUsedTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in plan assets and benefit obligations recognized in other comprehensive income (loss) during the period. + References No definition available. + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlanAmountsRecognizedInOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2439-114920 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2417-114920 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e2410-114920 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=77993564&loc=d3e4179-114921 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfExpectedBenefitPaymentsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the components of net benefit costs for pension plans and/or other employee benefit plans including service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) recognized due to settlements or curtailments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=82843861&loc=d3e1928-114920 + Details
Name: | us-gaap_ScheduleOfNetBenefitCostsTableTextBlock
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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=96867065&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
- Definition Tabular disclosure of number, weighted-average exercise price or conversion ratio, aggregate intrinsic value, and weighted-average remaining contractual term for outstanding and exercisable options that are fully vested and expected to vest. Includes, but is not limited to, unvested options 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAndExercisableTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_MultiemployerPlanNameAxis=chco_HorizonDefinedBenefitPlanMemberMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_MultiemployerPlanNameAxis=chco_CommunityDefinedBenefitPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |