Notes Payable (Tables)

12 Months Ended

Dec. 31, 2017

Debt Disclosure [Abstract]

Schedule of notes payable

Notes payable consisted of the following:

	December 31,
	2017		2016
	(Dollars in thousands)
7.25% Senior Notes due 2022, net	$	318,656	$	—
Unsecured revolving credit facility	—		118,000
Total Notes Payable	$	318,656	$	118,000

Schedule of Maturities of Long-term Debt [Table Text Block]

Notes payable have stated maturities as follows for the years ending December 31 (dollars in thousands):

2018	$	—
2019	—
2020	—
2021	—
2022	325,000
	$	325,000