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Loans Receivable Held for Investment - Activity in the Allowance for Loan Losses by Loan Type (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Allowance for loan losses: |  |
Beginning balance | $ 4,603 | $ 4,828
Provision for (recapture of) loan losses | (1,100) | (550)
Recoveries | 566 | 325
Ending balance | 4,069 | 4,603
Single family |  |
Allowance for loan losses: |  |
Beginning balance | 367 | 597
Provision for (recapture of) loan losses | 197 | (277)
Recoveries | 30 | 47
Ending balance | 594 | 367
Multi-family |  |
Allowance for loan losses: |  |
Beginning balance | 2,659 | 1,658
Provision for (recapture of) loan losses | (359) | 1,001
Ending balance | 2,300 | 2,659
Commercial real estate |  |
Allowance for loan losses: |  |
Beginning balance | 215 | 469
Provision for (recapture of) loan losses | (144) | (502)
Recoveries |  | 248
Ending balance | 71 | 215
Church |  |
Allowance for loan losses: |  |
Beginning balance | 1,337 | 2,083
Provision for (recapture of) loan losses | (792) | (768)
Recoveries | 536 | 22
Ending balance | 1,081 | 1,337
Construction |  |
Allowance for loan losses: |  |
Beginning balance | 8 | 3
Provision for (recapture of) loan losses | 9 | 5
Ending balance | 17 | 8
Commercial - other |  |
Allowance for loan losses: |  |
Beginning balance | 17 | 18
Provision for (recapture of) loan losses | (11) | (9)
Recoveries |  | 8
Ending balance | $ 6 | $ 17

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- Definition Amount of recovery of financing receivables doubtful of collection that were previously charged off. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 + Details
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