Fair Value Disclosures Fair Value Disclosure (Tables)

12 Months Ended

Dec. 31, 2018

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

The following table presents an estimated fair value of the Company's Notes and Credit Facility. The Notes are classified as Level 2 and primarily reflect estimated prices obtained from outside pricing sources. The Company's Credit Facility is classified as Level 3 within the fair value hierarchy. The Company had an outstanding balance of $67.5 million under its Credit Facility at December 31, 2018, and the estimated fair value of the outstanding balance approximated the carrying value due to the short-term nature of LIBOR contracts.

	December 31, 2018				December 31, 2017
	Carrying Amount		Fair Value		Carrying Amount		Fair Value
	(dollars in thousands)
7.25% Senior Notes due 2022, net (1)	$	320,148	$	292,500	$	318,656	$	336,375
Unsecured revolving credit facility	$	67,500	$	67,500	$	—	$	—

(1) The carrying value for the Senior Notes, as presented at December 31, 2018, is net of the unamortized discount of $1.7 million, unamortized premium of $1.3 million, and unamortized debt issuance costs of $4.5 million. The carrying value of the Senior Notes, as presented at December 31, 2017, is net of the unamortized discount of $2.2 million, unamortized premium of $1.8 million, and unamortized debt issuance costs of $5.9 million. The unamortized discount, unamortized premium and debt issuance costs are not factored into the estimated fair value.