Loans, Troubled Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts In Period	0	2
Financing Receivable Modifications In Period Pre Modification Recorded Investment	$ 0	$ 284
Financing Receivable Modifications In Period Post Modification Recorded Investment1	0	281
Financing Receivable Modifications Subsequent Default In Period Number Of Contracts	0	2
Financing Receivable Modifications Subsequent Default In Period Recorded Investment	0	114
Number of notes created		2
Commercial RE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts In Period	0	1
Financing Receivable Modifications In Period Pre Modification Recorded Investment	0	57
Financing Receivable Modifications In Period Post Modification Recorded Investment1	0	57
Residential RE [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Number Of Contracts In Period	0	1
Financing Receivable Modifications In Period Pre Modification Recorded Investment	0	227
Financing Receivable Modifications In Period Post Modification Recorded Investment1	0	224
Financing Receivable Modifications Subsequent Default In Period Number Of Contracts	0	1
Financing Receivable Modifications Subsequent Default In Period Recorded Investment	0	50
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Financing Receivable Modifications Subsequent Default In Period Number Of Contracts	0	1
Financing Receivable Modifications Subsequent Default In Period Recorded Investment	$ 0	$ 64