Loans Receivable Held for Investment (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	$ 347,774	$ 307,956
Single family
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	109,992	130,891
Non-impaired purchased loans	85,200	99,500
Multi-family
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	189,748	118,616
Commercial real estate
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	8,965	11,442
Church
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	38,443	46,390
Construction
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	308	343
Commercial - other
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	309	270
Consumer
Loans Receivable Held for Investment
Gross loans receivable before deferred loan costs and premiums	$ 9	$ 4