Loans Receivable and Allowance for Credit Losses (Loans Held-for-Sale Narrative) (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
LOANS HELD-FOR-SALE
Loans held-for-sale	$ 275	$ 85
Branch assets held-for-sale	0	91,318
Loans | Desert Community Bank
LOANS HELD-FOR-SALE
Loans held-for-sale, including loans pending sales and excluded from discontinued operation		78,200
Branch assets held-for-sale		78,100
Single-family | Residential loan
LOANS HELD-FOR-SALE
Loans held-for-sale	$ 275
Single-family | Consumer Lending | Residential loan
LOANS HELD-FOR-SALE
Loans held-for-sale		$ 85