Consolidated Statement of Changes in Shareholders' Equity (Unaudited) (Parenthetical) - $ / shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Common stock per share dividend amount	$ 0.70	$ 0.70	$ 2.10	$ 2.10
Common Stock [Member] | Series A Warrants [Member]
Exercise of warrants into shares of common stock	2,315	395,905	2,315	395,905
Exercise of warrants into shares of common stock			904	156,521
Retained Earnings [Member]
Common stock per share dividend amount			$ 2.10	$ 2.10