Loans (Details 2) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Ending allowance balance attributable to loans:
Individually evaluated for impairment	$ 662	$ 758
Collectively evaluated for impairment	26,977	25,925
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	27,639	26,683
Loans:
Loans individually evaluated for impairment	49,211	56,608
Loans collectively evaluated for impairment	2,414,386	2,296,053
Loans acquired with deteriorated credit quality	2,341	3,828
Total ending loans balance	2,465,938	2,356,489
One to Four Family Residential Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	190	167
Collectively evaluated for impairment	2,634	2,365
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	2,824	2,532
Loans:
Loans individually evaluated for impairment	6,972	6,910
Loans collectively evaluated for impairment	305,798	267,377
Loans acquired with deteriorated credit quality	1,017	1,069
Total ending loans balance	313,787	275,356
Multi Family Residential Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	2	7
Collectively evaluated for impairment	3,010	2,695
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	3,012	2,702
Loans:
Loans individually evaluated for impairment	1,582	2,278
Loans collectively evaluated for impairment	268,989	245,823
Loans acquired with deteriorated credit quality	297	301
Total ending loans balance	270,868	248,402
Commercial Real Estate [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	97	118
Collectively evaluated for impairment	11,571	10,236
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	11,668	10,354
Loans:
Loans individually evaluated for impairment	26,594	31,821
Loans collectively evaluated for impairment	1,069,197	956,238
Loans acquired with deteriorated credit quality	850	2,121
Total ending loans balance	1,096,641	990,180
Construction Loans [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	615	647
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	615	647
Loans:
Loans individually evaluated for impairment	0	0
Loans collectively evaluated for impairment	130,516	149,174
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	130,516	149,174
Commercial Loan [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	117	187
Collectively evaluated for impairment	7,044	7,778
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	7,161	7,965
Loans:
Loans individually evaluated for impairment	12,950	14,373
Loans collectively evaluated for impairment	478,336	513,218
Loans acquired with deteriorated credit quality	177	337
Total ending loans balance	491,463	527,928
Home Equity and Home Improvement [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	255	279
Collectively evaluated for impairment	1,816	1,976
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	2,071	2,255
Loans:
Loans individually evaluated for impairment	1,082	1,176
Loans collectively evaluated for impairment	129,100	135,098
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	130,182	136,274
Consumer Finance [Member]
Ending allowance balance attributable to loans:
Individually evaluated for impairment	1	0
Collectively evaluated for impairment	287	228
Acquired with deteriorated credit quality	0	0
Total ending allowance balance	288	228
Loans:
Loans individually evaluated for impairment	31	50
Loans collectively evaluated for impairment	32,450	29,125
Loans acquired with deteriorated credit quality	0	0
Total ending loans balance	$ 32,481	$ 29,175

The valuation allowance for financing receivables that are acquired with deteriorated credit quality.

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- Definition

The balance of financing receivables that were acquired with deteriorated credit quality.

+ References

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A valuation allowance for financing receivables that are expected to be uncollectible.

+ References

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-Publisher FASB
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-Topic 310
-SubTopic 10
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-Name Accounting Standards Codification
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The balance of financing receivables that were collectively evaluated for impairment.

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Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

+ References

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-Publisher FASB
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-SubTopic 10
-Section S99
-Paragraph 1
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