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Loans Receivable - Credit Quality Indicators (Details) - USD ($) $ in Thousands | Jun. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 2,508 | $ 4,451
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,294,826 | 1,321,751
One-to-four family residential real estate loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 2,273 | 1,986
Financing Receivable Credit Quality Indicators |  |
Total loans | 84,048 | 97,814
One to Four Family Residential Real Estate Loans-Owner occupied [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 66,982 | 76,606
One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 98 | 99
Financing Receivable Credit Quality Indicators |  |
Total loans | 17,066 | 21,208
Multi-family mortgage loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 536
Financing Receivable Credit Quality Indicators |  |
Total loans | 571,886 | 588,383
Multi Family Mortgage Loans without wholesale [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 271,224 | 291,358
Wholesale commercial lending [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 300,662 | 297,025
Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 155,627 | 169,971
Construction loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,086 | 1,099
Land loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 230 | 259
Commercial loans - Secured [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 46,303 | 40,901
Commercial Loans - Municipal loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 48,998 | 39,923
Commercial Loans - Warehouse Lines [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans |  |
Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 68,624 | 71,728
Commercial loans - other [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 288
Financing Receivable Credit Quality Indicators |  |
Total loans | 118,809 | 102,616
Commercial Leases - Investment Rated [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 81 | 934
Financing Receivable Credit Quality Indicators |  |
Total loans | 197,746 | 207,460
Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,469 | 1,597
Nonaccrual [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,636 | 2,391
Nonaccrual [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,489 | 1,914
Nonaccrual [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 46 | 109
Nonaccrual [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 96 | 368
Nonaccrual [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Nonaccrual [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 5 | 0
Substandard [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 4,434 | 2,922
Substandard [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 257 | 255
Substandard [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 38 | 40
Substandard [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 218 | 225
Substandard [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 100 | 154
Substandard [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 3,820 | 2,248
Substandard [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Substandard [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1 | 0
Pass [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,279,505 | 1,311,910
Pass [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 65,236 | 74,437
Pass [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 16,982 | 21,059
Pass [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 270,910 | 290,765
Pass [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 300,662 | 297,025
Pass [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 155,527 | 169,817
Pass [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,086 | 1,099
Pass [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 230 | 259
Pass [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 37,052 | 36,373
Pass [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 48,998 | 39,923
Pass [Member] | Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 64,804 | 69,480
Pass [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 118,809 | 102,616
Pass [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 197,746 | 207,460
Pass [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,463 | 1,597
Special Mention [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 9,251 | 4,528
Special Mention [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Construction loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 9,251 | 4,528
Special Mention [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Special Mention [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 291 | 2,098
Financing Receivables, 30 to 59 Days Past Due [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 153 | 86
Financing Receivables, 30 to 59 Days Past Due [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 8 | 10
Financing Receivables, 30 to 59 Days Past Due [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 172
Financing Receivables, 30 to 59 Days Past Due [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Construction loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Land loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial loans - other [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 288
Financing Receivables, 30 to 59 Days Past Due [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 81 | $ 934

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- Definition Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522 + Details
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