Employee Benefit and Deferred Compensation Plans (Tables)

3 Months Ended

Mar. 31, 2018

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”) and post-retirement health and life plans (“Other Benefits”) for the periods presented was as follows:

	Pension Benefits
	Renasant						Other Benefits
	Three Months Ended						Three Months Ended
	March 31,						March 31,
	2018			2017			2018		2017
Service cost	$	—		$	—		$	2	$	3
Interest cost	266			293			9		13
Expected return on plan assets	(518		)	(484		)	—		—
Recognized actuarial loss	87			100			—		13
Settlement/curtailment/termination gains	—			—			—		—
Net periodic benefit (return) cost	$	(165	)	$	(91	)	$	11	$	29

Summary of the changes in stock options and restricted stock

The following table summarizes the changes in restricted stock as of and for the three months ended March 31, 2018:

	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	—	$	—	218,075		$	39.08
Awarded	95,183	40.89		110,833		40.93
Vested	—	—		(35,099	)	35.61
Cancelled	—	—		(7,501	)	42.99
Nonvested at end of period	95,183	$	40.89	286,308		$	40.12

The following table summarizes the changes in stock options as of and for the three months ended March 31, 2018:

	Shares		Weighted Average Exercise Price
Options outstanding at beginning of period	89,750		$	15.67
Granted	—		—
Exercised	(27,000	)	15.76
Forfeited	—		—
Options outstanding at end of period	62,750		$	15.64