Employee Benefits (Tables)

12 Months Ended

Dec. 31, 2015

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Shares to be Issued and Remaining Shares Available for Future Issuance

The following table provides detail of the number of shares to be issued upon exercise of outstanding stock-based awards and remaining shares available for future issuance under all of CTBI's equity compensation plans as of December 31, 2015:

Plan Category (shares in thousands)	Number of Shares to Be Issued Upon Exercise	Weighted Average Price	Shares Available for Future Issuance
Equity compensation plans approved by shareholders:
Stock options	122	$32.29	568	(a)
Restricted stock	(c)	(b)	(a)
Performance units	(d)	(b)	(a)
Stock appreciation rights ("SARs")	(e)	(b)	(a)
Total			568

(a)

Under the 2015 Plan, 550,000 shares are authorized for issuance, none have been issued. Under the 2006 Plan, 1.65 million shares (plus any shares reserved for issuance under the 1998 Stock Option Plan) were authorized for issuance as nonqualified and incentive stock options, SARS, restricted stock and performance units. As of December 31, 2015, 1.5 million shares were available for issuance pursuant to awards granted prior to the termination of the plan on April 28, 2015. In January of 2016, 18,069 restricted stock shares were issued pursuant to these awards. Additional shares will not be issued pursuant to awards granted from prior plans.

(b)	Not applicable

(c)	The maximum number of shares of restricted stock that may be granted is 550,000 shares, and the maximum that may be granted to a participant during any calendar year is 75,000 shares.

(d)	No performance units payable in stock had been issued as of December 31, 2015. The maximum payment that can be made pursuant to performance units granted to any one participant in any calendar year shall be $1,000,000.

(e)	No SARS have been issued. The maximum number of shares with respect to which SARs may be granted to a participant during any calendar year shall be 100,000 shares.

The following table details the shares available for future issuance under the 2006 Plan at December 31, 2015; however as discussed above, the 2006 Plan terminated in April 2015 and only 18,069 shares will be issued in 2016 relative to awards granted and earned under the 2006 Plan.

Plan Category	Shares Available for Future Issuance
Shares available at January 1, 2015		1,563,702
1998 Plan forfeitures in 2015		0
2006 Plan stock option issuances for 2015		(20,000	)
2006 Plan restricted stock issuances in 2015		(10,582	)
2006 Plan forfeitures in 2015		674
2006 Plan shares canceled at plan termination		(1,515,725	)
Shares available for future issuance		18,069

Schedule of Weighted Average Assumptions Used for Estimating Grant-Date Fair Value of Each Option Grant

CTBI uses a Black-Scholes option pricing model with the following weighted average assumptions, which are evaluated and revised as necessary, in estimating the grant-date fair value of each option grant for the year end:

	2015	2014	2013
Expected option life (in years)	7.0	7.0	7.5
Expected volatility	30.77%	30.77%	39.11%
Expected dividend yield	3.72%	3.40%	3.74%
Risk-free interest rate	1.54%	2.01%	1.33%

Schedule of Restricted Stock Activity

The following table shows restricted stock activity for the years ended December 31, 2015, 2014, and 2013:

December 31	2015					2014					2013
	Grants			Weighted Average Fair Value at Grant		Grants			Weighted Average Fair Value at Grant		Grants			Weighted Average Fair Value at Grant
Outstanding at beginning of year		101,309		$	26.19		107,511		$	25.91		106,561		$	25.38
Granted		10,582			32.27		4,561			37.85		11,904			30.64
Vested		(46,482	)		23.66		(8,949	)		28.35		(10,954	)		25.87
Forfeited		(674	)		33.31		(1,814	)		28.38		0			--
Outstanding at end of year		64,735		$	28.92		101,309		$	26.19		107,511		$	25.91

Unrecognized Compensation Cost, Grant-Date Fair Value of Shares Vested, Cash Received from Option Exercises and Actual Tax Benefit Realized for Tax Deductions from Option Exercises

The following table shows the unrecognized compensation cost related to nonvested share-based compensation arrangements granted under the plans at December 31, 2015, 2014, and 2013 and the total grant-date fair value of shares vested, cash received from option exercises under all share-based payment arrangements, and the actual tax benefit realized for the tax deductions from option exercises of the share-based payment arrangements for the years ended December 31, 2015, 2014, and 2013.

(in thousands)	2015		2014		2013
Unrecognized compensation cost of unvested share-based compensation arrangements granted under the plan at year-end	$	495	$	861	$	1,366
Grant date fair value of shares vested for the year		1,111		343		521
Cash received from option exercises under all share-based payment arrangements for the year		1,212		1,163		5,306
Tax benefit realized for the tax deductions from option exercises of the share-based payment arrangements for the year		82		93		303

1998 Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Stock Option Activity

CTBI's stock option activity for the 1998 Plan for the years ended December 31, 2015, 2014, and 2013 is summarized as follows:

December 31	2015					2014					2013
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year		43,960		$	29.43		78,066		$	28.91		195,279		$	28.08
Granted		0			--		0			--		0			--
Exercised		(40,980	)		29.42		(34,106	)		28.25		(117,213	)		27.54
Forfeited/expired		0			--		0			--		0			--
Outstanding at end of year		2,980		$	29.49		43,960		$	29.43		78,066		$	28.91

Exercisable at end of year		2,980		$	29.49		43,960		$	29.43		78,066		$	28.91

Schedule of Intrinsic Values of Options Exercised, Exercisable, and Outstanding

The following table shows the intrinsic values of options exercised, exercisable, and outstanding for the 1998 Plan for the years ended December 31, 2015, 2014, and 2013:

(in thousands)	2015		2014		2013
Options exercised	$	241	$	270	$	1,175
Options exercisable		16		316		948
Outstanding options		16		316		948

2006 Plan [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Schedule of Stock Option Activity

CTBI's stock option activity for the 2006 Plan for the years ended December 31, 2015, 2014, and 2013 is summarized as follows:

December 31	2015					2014					2013
	Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price		Options			Weighted Average Exercise Price
Outstanding at beginning of year		98,821		$	32.35		97,047		$	32.29		163,524		$	31.56
Granted		20,000			32.27		10,000			34.75		1,650			30.64
Exercised		(247	)		24.12		(5,757	)		34.62		(68,127	)		30.52
Forfeited/expired		0			--		(2,469	)		34.29		0			--
Outstanding at end of year		118,574		$	32.36		98,821		$	32.35		97,047		$	32.29

Exercisable at end of year		87,749		$	32.12		86,264		$	32.25		92,997		$	32.56

Summary for Status of Nonvested Options

A summary of the status of CTBI's 2006 Plan for nonvested options as of December 31, 2015, and changes during the year ended December 31, 2015, is presented as follows:

Nonvested Options	Options			Weighted Average Grant Date Fair Value
Nonvested at January 1, 2015		12,557		$	7.61
Granted		20,000			6.60
Vested		(1,732	)		6.48
Forfeited		0			--
Nonvested at December 31, 2015		30,825		$	7.02

Schedule of Intrinsic Values of Options Exercised, Exercisable, and Outstanding

The following table shows the intrinsic values of options exercised, exercisable, and outstanding for the 2006 Plan for the years ended December 31, 2015, 2014, and 2013:

(in thousands)	2015		2014		2013
Options exercised	$	3	$	11	$	477
Options exercisable		275		376		790
Outstanding options		334		421		849