Loans Receivable Held for Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	$ 344,373	$ 307,956
Single family
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	115,388	130,891
Non-impaired purchased loans	89,000	99,500
Multi-family
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	173,438	118,616
Commercial real estate
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	10,733	11,442
Church
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	44,175	46,390
Construction
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	320	343
Commercial - other
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	304	270
Consumer
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	$ 15	$ 4