CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) - $ / shares	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY [Abstract]
Preferred Stock, Dividends Per Share	$ 0.53125	$ 0.53125

Aggregate dividends declared during the period for each share of preferred stock outstanding.

No definition available.

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