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Loans Receivable and Allowance for Loan and Lease Losses Loans Receivable and ALLL (Details) - USD ($)
$ in Thousands

Jun. 30, 2017

Mar. 31, 2017

Jun. 30, 2016

Mar. 31, 2016

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

$ 529,688

$ 541,425

Unamortized premiums, deferred costs and fees, net

4,004

4,127

Allowance for loan losses

(5,133)

(5,060)

$ (5,183)

$ (5,232)

Total loans receivable, net

528,559

540,492

Loans held-for-sale (HFS)

$ 1,020

$ 944

Percentage of Loan Type

100.00%

100.00%

One-to-four family

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

$ 128,936

$ 132,679

Allowance for loan losses

$ (1,518)

$ (1,663)

(1,875)

(1,697)

Percentage of Loan Type

24.30%

24.50%

Multifamily

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

$ 82,392

$ 87,824

Allowance for loan losses

$ (1,227)

$ (1,213)

(530)

(622)

Percentage of Loan Type

15.60%

16.20%

Commercial real estate

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

$ 241,815

$ 241,794

Allowance for loan losses

$ (1,647)

$ (1,496)

(1,858)

(1,808)

Percentage of Loan Type

45.70%

44.70%

Construction

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

$ 0

$ 4,983

Allowance for loan losses

$ 0

$ (106)

(62)

(62)

Percentage of Loan Type

0.00%

0.90%

Business

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

^[1]

$ 68,015

$ 65,151

Allowance for loan losses

$ (724)

$ (573)

(856)

(1,022)

Percentage of Loan Type

^[1]

12.80%

12.00%

Consumer

Accounts, Notes, Loans and Financing Receivable [Line Items]

Loans Receivable, before Fees, Gross

^[2]

$ 8,530

$ 8,994

Allowance for loan losses

$ (17)

$ (9)

$ (2)

$ (21)

Percentage of Loan Type

^[2]

1.60%

1.70%

[1]	(1) Includes business overdrafts
[2]	2) Includes personal loans and consumer overdrafts

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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.

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Amount, before allowance and fees, of loans and leases receivable. Excludes loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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