Consolidated Statement of Changes in Equity (Unaudited) (Parenthetical) - 6 months ended Jun. 30, 2015 - $ / shares	Total
Statement of Stockholders' Equity [Abstract]
Common dividends declared per share (in dollars per share)	$ 0.375
Issuance of shares of common stock (in shares)	367,257
Shares issued to Directors (in shares)	15,690