Employee Benefit and Deferred Compensation Plans (Tables)

6 Months Ended

Jun. 30, 2017

Retirement Benefits [Abstract]

Plan expense for non-contributory benefit pension plan and post-retirement health and life plans

The plan expense for the legacy Renasant defined benefit pension plan (“Pension Benefits - Renasant”), the assumed HeritageBank defined pension plan (“Pension Benefits - HeritageBank”) and post-retirement health and life plans (“Other Benefits”) for the periods presented was as follows:

	Pension Benefits						Pension Benefits
	Renasant						HeritageBank					Other Benefits
	Three Months Ended						Three Months Ended					Three Months Ended
	June 30,						June 30,					June 30,
	2017			2016			2017		2016			2017			2016
Service cost	$	—		$	—		$	—	$	—		$	1		$	4
Interest cost	291			302			—		69			8			15
Expected return on plan assets	(487		)	(467		)	—		(45		)	—			—
Recognized actuarial loss (gain)	100			102			—		—			(10		)	17
Net periodic benefit (return) cost	$	(96	)	$	(63	)	$	—	$	24		$	(1	)	$	36

	Pension Benefits						Pension Benefits
	Renasant						HeritageBank					Other Benefits
	Six Months Ended						Six Months Ended					Six Months Ended
	June 30,						June 30,					June 30,
	2017			2016			2017		2016			2017		2016
Service cost	$	—		$	—		$	—	$	—		$	4	$	8
Interest cost	584			608			—		138			21		29
Expected return on plan assets	(971		)	(936		)	—		(90		)	—		—
Recognized actuarial loss	200			202			—		—			3		34
Net periodic benefit (return) cost	$	(187	)	$	(126	)	$	—	$	48		$	28	$	71

Schedule of other share-based compensation activity

The following table summarizes the changes in stock options as of and for the six months ended June 30, 2017:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	185,625		$	15.97
Granted	—		—
Exercised	(88,625	)	16.14
Forfeited	—		—
Options outstanding at end of period	97,000		$	15.82

The following table summarizes the changes in restricted stock as of and for the six months ended June 30, 2017:

	Performance-Based Restricted Stock	Weighted Average Grant-Date Fair Value		Time- Based Restricted Stock		Weighted Average Grant-Date Fair Value
Nonvested at beginning of period	—	$	—	117,345		$	31.76
Awarded	54,450	42.22		99,093		42.34
Vested	—	—		(40,790	)	32.26
Cancelled	—	—		(350	)	28.93
Nonvested at end of period	54,450	$	42.22	175,298		$	37.63