XML 66 R55.htm IDEA: XBRL DOCUMENT v3.7.0.1

Net Income Per Common Share - Additional Information (Detail) - $ / shares		3 Months Ended
	Feb. 17, 2017	Mar. 31, 2017	Mar. 31, 2016
Earnings Per Share [Abstract]
Cash dividend declared per common share (usd per share)	$ 0.10	$ 0.10	$ 0.10

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 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

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

X

- References

No definition available.

+ Details

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