Loans Receivable and Allowance for Loan Losses (Details 11) (Mortgage Loans (Gross), USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014 item	Jun. 30, 2013 item	Jun. 30, 2014 item	Jun. 30, 2013 item
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans	5	42	9	56
Recorded Investment	$ 2,688	$ 12,435	$ 3,397	$ 16,264
Residential Mortgage Loans | Full documentation interest-only loans
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans		11	2	18
Recorded Investment		2,915	399	4,554
Residential Mortgage Loans | Full documentation amortizing loans
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans	2	9	2	9
Recorded Investment	447	2,668	447	2,668
Residential Mortgage Loans | Reduced documentation interest-only loans
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans	1	19	3	24
Recorded Investment	579	6,369	889	8,157
Residential Mortgage Loans | Reduced documentation amortizing loans
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans	1	3	1	5
Recorded Investment	93	483	93	885
Commercial Real Estate
Information about loans receivable by segment and class modified in troubled debt restructuring
Number of Loans	1		1
Recorded Investment	$ 1,569		$ 1,569