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Loans Receivable - Credit Quality Indicators (Details) - USD ($) $ in Thousands | Sep. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | $ 3,897 | $ 4,931
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,220,609 | 1,331,194
One-to-four family residential real estate loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1,275 | 3,179
Financing Receivable Credit Quality Indicators |  |
Total loans | 60,757 | 70,371
One to Four Family Residential Real Estate Loans-Owner occupied [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 49,325 | 57,169
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 | 410 | 475
Financing Receivable Credit Quality Indicators |  |
Total loans | 11,432 | 13,202
Multi-family mortgage loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 458
Financing Receivable Credit Quality Indicators |  |
Total loans | 577,656 | 619,870
Multi Family Mortgage Loans without wholesale [Member] [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 257,901 | 279,237
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 | 319,755 | 340,633
Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 140,410 | 152,442
Land loans [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 0 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 88 | 172
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 | 28,094 | 39,574
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 | 60,390 | 62,489
Commercial Loans - Warehouse Lines [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans |  |
Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 75,362 | 85,343
Commercial loans - other [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1,710 | 0
Financing Receivable Credit Quality Indicators |  |
Total loans | 142,751 | 133,185
Commercial Leases - Investment Rated [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 211 | 505
Financing Receivable Credit Quality Indicators |  |
Total loans | 133,049 | 166,209
Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 2,052 | 1,539
Nonaccrual [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,219 | 1,517
Nonaccrual [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 799 | 993
Nonaccrual [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 136 | 254
Nonaccrual [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 0
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 | 284 | 270
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 | 0 | 0
Substandard [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 884 | 1,028
Substandard [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 541 | 328
Substandard [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 36 | 37
Substandard [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 211 | 216
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 | 93 | 98
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 | 0 | 342
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 | 3 | 7
Pass [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,214,945 | 1,322,359
Pass [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 47,584 | 55,353
Pass [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 11,230 | 12,911
Pass [Member] | Multi-family mortgage loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 257,690 | 279,021
Pass [Member] | Wholesale commercial lending [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 319,344 | 340,633
Pass [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 140,033 | 151,793
Pass [Member] | Land loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 88 | 172
Pass [Member] | Commercial loans - Secured [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 28,094 | 34,764
Pass [Member] | Commercial Loans - Municipal loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 60,390 | 62,489
Pass [Member] | Commercial Loans - Health Care [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 74,767 | 85,001
Pass [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 141,187 | 133,185
Pass [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 132,493 | 165,508
Pass [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 2,045 | 1,529
Special Mention [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 3,561 | 6,290
Special Mention [Member] | One-to-four family residential real estate loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 401 | 495
Special Mention [Member] | One-to-four family residential real estate loans - non-owner occupied loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 30 | 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 | 411 | 0
Special Mention [Member] | Nonresidential Real Estate Loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 0 | 281
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 | 0 | 4,810
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 | 595 | 0
Special Mention [Member] | Commercial loans - other [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 1,564 | 0
Special Mention [Member] | Commercial Leases - Investment Rated [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 556 | 701
Special Mention [Member] | Consumer loans [Member] |  |
Financing Receivable Credit Quality Indicators |  |
Total loans | 4 | 3
Financing Receivables, 30 to 59 Days Past Due [Member] |  |
Financing Receivable, Recorded Investment [Line Items] |  |
Financing Receivable, Recorded Investment, Past Due | 1,920 | 2,770
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 | 3 | 1,380
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 | 4 | 387
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 | 458
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] | 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 | 1,710 | 0
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 | $ 197 | $ 505

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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