Common Stock (Narrative) (Detail) (USD $)	0 Months Ended
	Dec. 04, 2014	Sep. 04, 2014	Feb. 05, 2015
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 0.06	$ 0.06
Dividends declared, date of declaration	Dec. 04, 2014	Sep. 04, 2014
Dividends declared, date of distribution	Dec. 29, 2014	Sep. 29, 2014
Dividends declared, date of record	Dec. 15, 2014	Sep. 15, 2014
Subsequent Event
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared			$ 0.06
Dividends declared, date of declaration			Feb. 05, 2015
Dividends declared, date of distribution			Mar. 26, 2015
Dividends declared, date of record			Mar. 12, 2015