Employee Benefit and Deferred Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [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
	March 31,						March 31,					March 31,
	2017			2016			2017		2016			2017		2016
Service cost	$	—		$	—		$	—	$	—		$	3	$	4
Interest cost	293			306			—		69			13		14
Expected (return) on plan assets	(484		)	(469		)	—		(45		)	—		—
Prior service cost recognized	—			—			—		—			—		—
Recognized actuarial loss	100			100			—		—			13		17
Settlement/curtailment/termination gains	—			—			—		—			—		—
Net periodic benefit (return) cost	$	(91	)	$	(63	)	$	—	$	24		$	29	$	35

Schedule of other share-based compensation activity

The following table summarizes the changes in stock options as of and for the three months ended March 31, 2017:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	185,625		$	15.97
Granted	—		—
Exercised	(43,250	)	15.69
Forfeited	—		—
Options outstanding at end of period	142,375		$	16.06

The following table summarizes the changes in restricted stock as of and for the three months ended March 31, 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		75,725		42.22
Vested	—	—		(30,500	)	31.65
Cancelled	—	—		—		—
Nonvested at end of period	54,450	$	42.22	162,570		$	36.65