Regulatory and Operating Matters (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Feb. 28, 2013
Regulatory and Operating Matters [Abstract]
Maximum number of days for notification after the end of any quarter under which capital ratios fall below approved capital plan's minimum ratios	30 days
Maximum amount of assets of entity's that issued trust preferred securities	$ 10
Number of preferred shares for each outstanding common share for declared dividend (in shares)	one
Capital Injection For Capital Adequacy		$ 1.0
Risk Based Capital Required For Capital Adequacy		4.00%