Loans Receivable (Narrative) (Details) $ in Thousands	3 Months Ended	12 Months Ended			36 Months Ended
	Mar. 31, 2012 USD ($)	Dec. 31, 2014 USD ($) segment	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($) loan	Dec. 31, 2014 USD ($) loan
Financing Receivable, Recorded Investment [Line Items]
Loans charged off subsequent to change in valuation of collateral dependent loans	$ 66,500
Period of evaluation for impairment prior to appraisal date		1 year
Period of appraisal postponement if property is in the process of foreclosure		1 year
Collateral dependent loans		$ 13,700			$ 13,700
Number of Reportable Segments | segment		4
Collateral dependent loans measured for impairment using previous appraisals adjustment		$ 4,100			4,100
Total non-accrual loans		17,780	$ 51,896		$ 17,780
Troubled debt restructurings		$ 0	0	$ 28,004
Loans modified, troubled debt restructurings, number | loan				15	0
Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Number of Reportable Segments | segment		5
Small Business Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Small business loans charged down				$ 1,100
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total non-accrual loans		$ 1,990	$ 2,972		$ 1,990
Maximum [Member] | Small Business Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Total loans receivable		$ 2,000			$ 2,000