Merger, Integration and Other Costs (Tables)

9 Months Ended

Sep. 30, 2018

Merger Integration And Other Costs [Abstract]

Summary of Merger and Restructuring Costs

(Dollars in thousands)	For the Three Months Ended September 30, 2018		For the Nine Months Ended September 30, 2018
Merger costs	$	892	$	11,515
Restructuring costs:
Termination benefits		—		8,782
Professional services		23		678
Other		57		270
		80		9,730
Total merger and restructuring costs	$	972	$	21,245

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Summary of Changes in Accrued Severance Related to Restructuring

Changes in accrued severance related to restructuring were as follows:

(Dollars in thousands)
Accrued severance as of December 31, 2017	$	—
Charges		8,782
Payments		(8,375	)
Accrued severance as of September 30, 2018	$	407