Debt (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of Debt

Notes Payable. Notes payable consisted of the following:

	December 31, 2017			December 31, 2016
	(Dollars in thousands)
4.75% Senior Notes, due July 15, 2022	$	375,000		$	375,000
Unamortized issuance discount on notes payable		(300	)		(359	)
Total notes payable	$	374,700		$	374,641