Loans (Details 1) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	$ 25,749	$ 25,668	$ 25,884	$ 25,382
Charge-Offs	(2,258)	(139)	(2,722)	(573)
Recoveries	306	366	581	722
Provisions	2,118	53	2,172	417
Ending Allowance	25,915	25,948	25,915	25,948
One to Four Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	2,621	3,109	2,627	3,212
Charge-Offs	0	(37)	(49)	(92)
Recoveries	33	34	89	120
Provisions	(13)	(267)	(26)	(401)
Ending Allowance	2,641	2,839	2,641	2,839
Multi Family Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	2,122	2,250	2,228	2,151
Charge-Offs	0	0	0	0
Recoveries	0	0	32	0
Provisions	71	115	(67)	214
Ending Allowance	2,193	2,365	2,193	2,365
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	10,210	11,644	10,625	11,772
Charge-Offs	(110)	0	(400)	(13)
Recoveries	83	229	117	406
Provisions	(47)	(969)	(206)	(1,261)
Ending Allowance	10,136	10,904	10,136	10,904
Construction Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	458	489	450	517
Charge-Offs	0	0	0	0
Recoveries	0	0	0	0
Provisions	82	144	90	116
Ending Allowance	540	633	540	633
Commercial Loan [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	7,809	5,820	7,361	5,255
Charge-Offs	(2,027)	(19)	(2,027)	(355)
Recoveries	94	56	210	75
Provisions	2,097	883	2,429	1,765
Ending Allowance	7,973	6,740	7,973	6,740
Home Equity and Improvement [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	2,300	2,232	2,386	2,304
Charge-Offs	(100)	(66)	(154)	(96)
Recoveries	26	34	59	73
Provisions	(27)	78	(92)	(3)
Ending Allowance	2,199	2,278	2,199	2,278
Consumer Finance [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Beginning Allowance	229	124	207	171
Charge-Offs	(21)	(17)	(92)	(17)
Recoveries	70	13	74	48
Provisions	(45)	69	44	(13)
Ending Allowance	$ 233	$ 189	$ 233	$ 189