Subsequent Events (Narrative) (Details) - USD ($)		1 Months Ended
Oct. 20, 2015	Apr. 30, 2015
Additional Senior Notes [Member]
Subsequent Event [Line Items]
Principal amount		$ 60,000,000
Interest rate		6.875%
Maturity year		2022
Subsequent Event \| Additional Exchange Notes [Member]
Subsequent Event [Line Items]
Principal amount	$ 60,000,000
Interest rate	6.875%
Maturity year	2022

Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant