Loans Receivable, Net (Details 4) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012 Loan	Dec. 31, 2011 Loan
Summary of TDRs
TDRs, Number of Loans	198	338
TDRs, Pre-modification recorded balance	$ 90,747	$ 158,295
TDRs, Post-modification recorded balance	89,558	155,827
TDRs that Subsequently Defaulted, Number of Loans	14	66
TDRs that Subsequently Defaulted, Recorded Balance	8,304	41,236
Residential Real Estate [Member]
Summary of TDRs
TDRs, Number of Loans	11	20
TDRs, Pre-modification recorded balance	2,280	13,500
TDRs, Post-modification recorded balance	2,281	13,452
TDRs that Subsequently Defaulted, Number of Loans	0	4
TDRs that Subsequently Defaulted, Recorded Balance	0	2,291
Commercial Real Estate [Member]
Summary of TDRs
TDRs, Number of Loans	85	120
TDRs, Pre-modification recorded balance	57,382	109,593
TDRs, Post-modification recorded balance	56,120	107,778
TDRs that Subsequently Defaulted, Number of Loans	4	29
TDRs that Subsequently Defaulted, Recorded Balance	6,192	32,615
Other Commercial [Member]
Summary of TDRs
TDRs, Number of Loans	75	149
TDRs, Pre-modification recorded balance	28,639	20,446
TDRs, Post-modification recorded balance	28,711	20,434
TDRs that Subsequently Defaulted, Number of Loans	6	22
TDRs that Subsequently Defaulted, Recorded Balance	1,753	2,718
Home Equity [Member]
Summary of TDRs
TDRs, Number of Loans	10	22
TDRs, Pre-modification recorded balance	1,358	9,198
TDRs, Post-modification recorded balance	1,358	9,200
TDRs that Subsequently Defaulted, Number of Loans	3	7
TDRs that Subsequently Defaulted, Recorded Balance	301	3,202
Other Consumer [Member]
Summary of TDRs
TDRs, Number of Loans	17	27
TDRs, Pre-modification recorded balance	1,088	5,558
TDRs, Post-modification recorded balance	1,088	4,963
TDRs that Subsequently Defaulted, Number of Loans	1	4
TDRs that Subsequently Defaulted, Recorded Balance	$ 58	$ 410