Beneficial Ownership Percentage Limit

No definition available.

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- Definition

Common stock dividends declared, quarterly

+ References

No definition available.

+ Details

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- Definition

[Line Items] for Stockholders' Equity [Table]

+ References

No definition available.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

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- Definition

Cash outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Financing Activities
-URI http://asc.fasb.org/extlink&oid=6513228

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585

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- Definition

Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.

+ 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(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

No definition available.

+ Details

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Stockholders' Equity (Details) - USD ($)	12 Months Ended
Stockholders' Equity (Details) - USD ($)	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Feb. 16, 2017	Jan. 02, 2015
Stockholders Equity [Line Items]
Dividends declared, per share			$ 0.50
Common stock dividends declared, quarterly			$ 0.125
Payments of Dividends	$ 0	$ 0	$ 25,434,000
Beneficial Ownership Percentage Limit	4.90%			60.00%
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; no shares issued or outstanding	$ 0	$ 0
Share Price			$ 4.29		$ 16.72
Share Repurchase Program [Domain]
Stockholders Equity [Line Items]
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; no shares issued or outstanding	$ 0.001
Share Price	$ 15.00