Goodwill (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying value of goodwill

The following schedule discloses the changes in the carrying value of goodwill:

	Three Months ended			Six Months ended
(Dollars in thousands)	June 30, 2019		June 30, 2018	June 30, 2019	June 30, 2018
Net carrying value at beginning of period	$	289,586	289,535	289,586	177,811
Acquisitions	41,301		—	41,301	111,724
Net carrying value at end of period	$	330,887	289,535	330,887	289,535