XML 29 R76.htm IDEA: XBRL DOCUMENT v2.4.1.9

Stockholders' Equity - Summary of Dividends Declared on its Outstanding Shares of Common Stock to its Shareholders (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Equity [Abstract]
Dividends per share declared on outstanding common stock	$ 0.25us-gaap_CommonStockDividendsPerShareDeclared	$ 0.10us-gaap_CommonStockDividendsPerShareDeclared	$ 0.10us-gaap_CommonStockDividendsPerShareDeclared	$ 0.10us-gaap_CommonStockDividendsPerShareDeclared	$ 0.23us-gaap_CommonStockDividendsPerShareDeclared	$ 0.10us-gaap_CommonStockDividendsPerShareDeclared	$ 0.08us-gaap_CommonStockDividendsPerShareDeclared	$ 0.08us-gaap_CommonStockDividendsPerShareDeclared	$ 0.20us-gaap_CommonStockDividendsPerShareDeclared	$ 0.08us-gaap_CommonStockDividendsPerShareDeclared	$ 0.08us-gaap_CommonStockDividendsPerShareDeclared	$ 0.10us-gaap_CommonStockDividendsPerShareDeclared	$ 0.55us-gaap_CommonStockDividendsPerShareDeclared	$ 0.49us-gaap_CommonStockDividendsPerShareDeclared	$ 0.46us-gaap_CommonStockDividendsPerShareDeclared
Aggregate amount	$ 8,845us-gaap_DividendsCash	$ 3,429us-gaap_DividendsCash	$ 3,502us-gaap_DividendsCash	$ 3,464us-gaap_DividendsCash	$ 8,134us-gaap_DividendsCash	$ 3,511us-gaap_DividendsCash	$ 2,821us-gaap_DividendsCash	$ 3,259us-gaap_DividendsCash	$ 8,174us-gaap_DividendsCash	$ 3,270us-gaap_DividendsCash	$ 3,214us-gaap_DividendsCash	$ 4,012us-gaap_DividendsCash	$ 19,253us-gaap_DividendsCash	$ 17,754us-gaap_DividendsCash	$ 18,956us-gaap_DividendsCash

X

- 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 SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of paid and unpaid cash dividends declared for classes of stock, for example, but not limited to, common and preferred.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3



Reference 2: 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



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 405

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6957935&loc=d3e64057-112817

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration