Fair Value of Financial Instruments (Fair Value, Assets Measured On Recurring Basis Using Significant Unobservable Inputs) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended		3 Months Ended	6 Months Ended					3 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Trust Preferred Securities [Member]	Jun. 30, 2012 Trust Preferred Securities [Member]	Jun. 30, 2011 Trust Preferred Securities [Member]	Jun. 30, 2012 Corporate bonds [Member]	Jun. 30, 2011 Corporate bonds [Member]	Dec. 31, 2010 Corporate bonds [Member]	Jun. 30, 2012 Fair Value, Inputs, Level 3 [Member] Trust Preferred Securities [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 3 [Member] Trust Preferred Securities [Member]	Jun. 30, 2012 Fair Value, Inputs, Level 3 [Member] Corporate bonds [Member]	Mar. 31, 2012 Fair Value, Inputs, Level 3 [Member] Corporate bonds [Member]	Jun. 30, 2011 Fair Value, Inputs, Level 3 [Member] Corporate bonds [Member]	Mar. 31, 2011 Fair Value, Inputs, Level 3 [Member] Corporate bonds [Member]
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance,						$ 3,410	$ 3,450	$ 3,004	$ 3,000	$ 3,000	$ 3,399	$ 3,601	$ 3,007	$ 3,007	$ 3,000	$ 3,000
Unrealized gains (losses)						(111)	217	3			(117)	66
Paydowns					(93)	(93)
Impairment charges on level 3	16	4	33	4		(31)	(2)				(14)	(2)
Balance,					$ 3,175	$ 3,175	$ 3,665	$ 3,007	$ 3,000	$ 3,000	$ 3,175	$ 3,665	$ 3,007	$ 3,007	$ 3,000	$ 3,000