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Stockholders' Equity (Common and Preferred Stock) (Details)	6 Months Ended	63 Months Ended
	Jun. 30, 2016 Vote $ / shares shares	Dec. 31, 2011 $ / shares shares	Dec. 31, 2015 $ / shares shares
Private Placement [Member]
Common Stock [Abstract]
Sale of Stock, Number of Shares Issued in Transaction		20,000,000
Sale of Stock, Price Per Share | $ / shares		$ 10
Preferred Stock [Member]
Preferred Stock [Abstract]
Preferred shares authorized (in shares)	8,990,000
Common Class A [Member]
Common Stock [Abstract]
Common stock, shares authorized (in shares)	100,000,000		100,000,000
Par value (in dollars per share) | $ / shares	$ 0.01		$ 0.01
Common stock shares issued (in shares)	17,318,848		17,202,228
Number of votes holder is entitled to | Vote	1
Maximum individual common stock ownership (in hundredths)	9.80%
Common Class B [Member]
Common Stock [Abstract]
Common stock, shares authorized (in shares)	1,000
Par value (in dollars per share) | $ / shares	$ 0.01
Common stock shares issued (in shares)	0
Number of votes holder is entitled to | Vote	1
Maximum individual common stock ownership (in hundredths)	9.80%

X

- Definition

The percentage of maximum individual common stock ownership.

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- Definition

The number of votes the holder of a share of stock is entitled to.

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- Definition

Face amount or stated value per share of common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

+ References

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-Name Accounting Standards Codification
-Topic 210
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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Per share amount received by subsidiary or equity investee for each share of common stock issued or sold in the stock transaction.

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