Loans Receivable, Net Allowance for Loan Losses Summary (Details) - USD ($) $ in Thousands	3 Months Ended							12 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2013
Loans and Leases Receivable, Allowance [Abstract]
Allowance for loan losses				$ 7,233			$ 10,989	$ 7,233	$ 10,989	$ 19,821
Provision for loan losses	$ 365	$ 1,151	$ 713	$ 780	$ (300)	$ 505	$ (831)	(3,010)	(426)	(3,327)
Financing Receivable, Allowance for Credit Losses, Recovery								1,540	1,210	398
Allowance for Loan and Lease Losses, Write-offs								(1,286)	(4,540)	(5,903)
Allowance for loan losses	$ 4,477				$ 7,233			$ 4,477	$ 7,233	$ 10,989