Loans, Trouble Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract	Jun. 30, 2013 Contract	Jun. 30, 2012 Contract
Financing receivable modifications [Abstract]
Number of contracts	0	1
Pre-modification Outstanding Recorded Investment	$ 0
Post-Modification Outstanding Recorded Investment	0
Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			1	1
Pre-modification Outstanding Recorded Investment		48	72	48
Post-Modification Outstanding Recorded Investment		48	72	48
Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			4	3
Pre-modification Outstanding Recorded Investment		71	2,895	169
Post-Modification Outstanding Recorded Investment		71	2,895	169
Real Estate Loans [Member]
Recidivism receivables [Abstract]
Total recidivism, Number of contracts	1	0	0	1
Total recidivism, Recorded investment	535	0	0	48
Real Estate Loans [Member] | Residential Mortgages [Member] | Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts				1
Pre-modification Outstanding Recorded Investment				48
Post-Modification Outstanding Recorded Investment				48
Real Estate Loans [Member] | Residential Mortgages [Member] | Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts				1
Pre-modification Outstanding Recorded Investment				71
Post-Modification Outstanding Recorded Investment				71
Real Estate Loans [Member] | Mortgages [Member] | Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			1
Pre-modification Outstanding Recorded Investment			72
Post-Modification Outstanding Recorded Investment			72
Real Estate Loans [Member] | Mortgages [Member] | Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			0
Pre-modification Outstanding Recorded Investment			0
Post-Modification Outstanding Recorded Investment			0
Real Estate Loans [Member] | Commercial [Member]
Recidivism receivables [Abstract]
Total recidivism, Number of contracts	1	0	0	1
Total recidivism, Recorded investment	535	0	0	48
Real Estate Loans [Member] | Commercial [Member] | Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			0	0
Pre-modification Outstanding Recorded Investment			0	0
Post-Modification Outstanding Recorded Investment			0	0
Real Estate Loans [Member] | Commercial [Member] | Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			2	2
Pre-modification Outstanding Recorded Investment			1,365	98
Post-Modification Outstanding Recorded Investment			1,365	98
Other Commercial Loans [Member] | Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			0
Pre-modification Outstanding Recorded Investment			0
Post-Modification Outstanding Recorded Investment			0
Other Commercial Loans [Member] | Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts			2
Pre-modification Outstanding Recorded Investment			1,530
Post-Modification Outstanding Recorded Investment			$ 1,530