Bank Mutual (BKMU) 10-Q 7 Nov 17 2017 Q3 Quarterly report Financial data

Document And Entity Information

Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2017	Nov. 07, 2017
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 30, 2017
Document Fiscal Year Focus	2,017
Document Fiscal Period Focus	Q3
Entity Registrant Name	BANK MUTUAL CORP
Entity Central Index Key	1,123,270
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Trading Symbol	BKMU
Entity Common Stock, Shares Outstanding		46,009,090

Condensed Consolidated Statemen

Condensed Consolidated Statements of Financial Condition - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Assets
Cash and due from banks	$ 27,695	$ 31,284
Interest-earning deposits	27,837	18,803
Cash and cash equivalents	55,532	50,087
Mortgage-related securities available-for-sale, at fair value	386,481	371,880
Mortgage-related securities held-to-maturity, at amortized cost (fair value of $92,561 in 2017 and $94,266 in 2016)	91,617	93,234
Loans held-for-sale	4,026	5,952
Loans receivable (net of allowance for loan losses of $21,326 in 2017 and $19,940 in 2016)	1,984,823	1,942,907
Mortgage servicing rights, net	6,278	6,569
Other assets	164,917	177,895
Total assets	2,693,674	2,648,524
Liabilities:
Deposit liabilities	1,924,552	1,864,730
Borrowings	408,022	439,150
Advance payments by borrowers for taxes and insurance	30,458	4,770
Other liabilities	38,292	53,233
Total liabilities	2,401,324	2,361,883
Shareholders’ equity:
Preferred stock-$0.01 par value: Authorized-20,000,000 shares in 2017 and 2016 Issued and outstanding-none in 2017 and 2016	0	0
Common stock-$0.01 par value: Authorized-200,000,000 shares in 2017 and 2016 Issued-78,783,849 shares in 2017 and 2016 Outstanding-45,938,464 shares in 2017 and 45,691,790 in 2016	788	788
Additional paid-in capital	483,592	484,940
Retained earnings	175,731	171,633
Accumulated other comprehensive loss	(11,234)	(11,139)
Treasury stock-32,845,385 shares in 2017 and 33,092,059 in 2016	(356,527)	(359,581)
Total shareholders’ equity	292,350	286,641
Total liabilities and shareholders’ equity	$ 2,693,674	$ 2,648,524

Condensed Consolidated Stateme3

Condensed Consolidated Statements of Financial Condition [Parenthetical] - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Mortgage-related securities held-to-maturity fair value (in dollars)	$ 92,561	$ 94,266
Loans receivable allowance for loan losses (in dollars)	$ 21,326	$ 19,940
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares Authorized	20,000,000	20,000,000
Preferred stock, shares Issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares Authorized	200,000,000	200,000,000
Common stock, shares Issued	78,783,849	78,783,849
Common stock, shares Outstanding	45,938,464	45,691,790
Treasury stock, shares	32,845,385	33,092,059

Condensed Consolidated Stateme4

Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Interest income:
Loans	$ 20,557	$ 18,209	$ 58,725	$ 52,505
Mortgage-related securities	2,483	3,139	7,503	9,122
Investment securities	163	117	452	338
Interest-earning deposits	25	5	52	23
Total interest income	23,228	21,470	66,732	61,988
Interest expense:
Deposit liabilities	1,773	1,468	4,770	4,319
Borrowings	1,767	1,290	4,679	3,790
Advance payments by borrowers for taxes and insurance			1	1
Total interest expense	3,540	2,758	9,450	8,110
Net interest income	19,688	18,712	57,282	53,878
Provision for loan losses	472	1,395	1,552	1,986
Net interest income after provision for loan losses	19,216	17,317	55,730	51,892
Non-interest income:
Deposit-related fees and charges	2,935	2,991	8,492	8,685
Mortgage banking revenue, net	788	1,354	2,401	3,321
Brokerage, advisory, and insurance revenue	824	816	2,362	2,529
Loan-related fees	381	1,136	1,483	4,001
Income from bank-owned life insurance (“BOLI”)	442	460	1,317	1,387
Gain on real estate held for investment	56	12	325	12
Net loss on sale of retail branch offices, loans, and deposits	(197)	0	(197)	0
Other non-interest income	26	98	181	186
Total non-interest income	5,255	6,867	16,364	20,121
Non-interest expense:
Compensation, payroll taxes, and other employee benefits	10,619	10,452	32,521	31,155
Occupancy, equipment, and data processing costs	3,428	3,317	10,657	10,133
Advertising and marketing	535	737	1,829	2,292
Federal insurance premiums	350	273	1,029	1,078
Losses and expenses on foreclosed real estate, net	15	169	286	80
Merger-related expenses	1,263	0	1,263	0
Other non-interest expense	2,169	2,298	6,350	6,993
Total non-interest expense	18,379	17,246	53,935	51,731
Income before income taxes	6,092	6,938	18,159	20,282
Income tax expense	2,250	2,484	6,485	7,406
Net income	$ 3,842	$ 4,454	$ 11,674	$ 12,876
Per share data:
Earnings per share-basic (in dollars per share)	$ 0.08	$ 0.1	$ 0.25	$ 0.28
Earnings per share-diluted (in dollars per share)	0.08	0.1	0.25	0.28
Cash dividends per share paid (in dollars per share)	$ 0.055	$ 0.055	$ 0.165	$ 0.160

Condensed Consolidated Stateme5

Condensed Consolidated Statements of Total Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net income	$ 3,842	$ 4,454	$ 11,674	$ 12,876
Other comprehensive income (loss), net of tax:
Change in net unrealized gain (loss) on securities available-for-sale, net of deferred income taxes	(78)	(805)	(242)	2,386
Change in net unrealized loss on interest rate swaps, net of deferred income taxes	0	84	(17)	(114)
Amortization of net prior service costs and unrecognized loss included in net periodic benefit cost, net of deferred income taxes	54	51	164	152
Total other comprehensive income (loss), net of tax	(24)	(670)	(95)	2,424
Total comprehensive income	$ 3,818	$ 3,784	$ 11,579	$ 15,300

Condensed Consolidated Stateme6

Condensed Consolidated Statements of Total Comprehensive Income [Parenthetical] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Change in net unrealized gain (loss) on securities available-for-sale, deferred income tax	$ (52)	$ (539)	$ (162)	$ 1,599
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax	0	57	(11)	(76)
Reclassification adjustment for gain on securities included in income, income tax	$ 36	$ 34	$ 109	$ 101

Condensed Consolidated Stateme7

Condensed Consolidated Statements of Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2015	$ 279,394	$ 788	$ 486,273	$ 164,482	$ (9,365)	$ (362,784)
Net income	12,876	0	0	12,876	0	0
Other comprehensive income (loss)	2,424	0	0	0	2,424	0
Purchase of treasury stock	(221)	0	0	0	0	(221)
Issuance of restricted stock	0	0	(1,469)	0	0	1,469
Exercise of stock options	678	0	(1,029)	0	0	1,707
Share based payments	1,013	0	1,013	0	0	0
Cash dividends	(7,291)	0	0	(7,291)	0	0
Balance at Sep. 30, 2016	288,873	788	484,788	170,067	(6,941)	(359,829)
Balance at Dec. 31, 2016	286,641	788	484,940	171,633	(11,139)	(359,581)
Net income	11,674	0	0	11,674	0	0
Other comprehensive income (loss)	(95)	0	0	0	(95)	0
Issuance of restricted stock	0	0	(1,487)	0	0	1,487
Exercise of stock options	462	0	(1,105)	0	0	1,567
Share based payments	1,244	0	1,244	0	0	0
Cash dividends	(7,576)	0	0	(7,576)	0	0
Balance at Sep. 30, 2017	$ 292,350	$ 788	$ 483,592	$ 175,731	$ (11,234)	$ (356,527)

Condensed Consolidated Stateme8

Condensed Consolidated Statements of Equity [Parenthetical] - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Cash dividends per share paid (in dollars per share)	$ 0.055	$ 0.055	$ 0.165	$ 0.160

Condensed Consolidated Stateme9

Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Operating activities:
Net income	$ 11,674	$ 12,876
Adjustments to reconcile net income to net cash from operating activities:
Provision for loan losses	1,552	1,986
Provision for depreciation	2,446	2,527
Amortization of mortgage servicing rights	1,100	1,636
Net premium amortization on securities	1,791	2,039
Loans originated for sale	(64,532)	(112,500)
Proceeds from loan sales	67,311	109,816
Gain on loan sales activities, net	(1,662)	(3,042)
Deferred income tax expense (benefit)	(183)	2,956
Gain on real estate held for investment	(325)	(12)
Net loss on sale of retail branch offices, loans, and deposits	197	0
Other, net	(11,707)	(10,244)
Net cash provided by operating activities	7,662	8,038
Investing activities:
Principal repayments on mortgage-related securities available-for-sale	83,020	86,977
Principal repayments on mortgage-related securities held-to-maturity	1,374	17,493
Purchases of mortgage-related securities available-for-sale	(99,574)	(56,137)
Purchases of FHLB of Chicago stock	(17,471)	(1,614)
Redemptions of FHLB of Chicago stock	19,371	0
Net increase in loans receivable	(44,179)	(188,675)
Proceeds from sale of foreclosed properties	2,754	2,048
Proceeds from sale of real estate held for investment	1,020	0
Net (purchases) dispositions of premises and equipment	4,200	(1,339)
Net cash used by investing activities	(49,485)	(141,247)
Financing activities:
Net increase in deposit liabilities	59,822	71,524
Net increase in short-term borrowings	15,000	115,000
Repayments of long-term borrowings	(46,128)	(72,011)
Net increase in advance payments by borrowers for taxes and insurance	25,688	26,837
Cash dividends	(7,576)	(7,291)
Purchases of treasury stock	0	(221)
Other, net	462	678
Net cash provided by financing activities	47,268	134,516
Increase in cash and cash equivalents	5,445	1,307
Cash and cash equivalents at beginning of period	50,087	44,501
Cash and cash equivalents at end of period	55,532	45,808
Supplemental information:
Interest on deposit liabilities and borrowings	9,591	8,035
Income taxes	5,795	4,278
Non-cash transactions:
Loans transferred to foreclosed properties and repossessed assets	$ 711	$ 1,252

Basis of Presentation

Basis of Presentation	9 Months Ended
	Sep. 30, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block]	1. Basis of Presentation The Unaudited Condensed Consolidated Financial Statements include the accounts of Bank Mutual Corporation (the “Company”), its wholly-owned subsidiary Bank Mutual (the “Bank”), and the Bank’s subsidiaries. The accompanying Unaudited Condensed Consolidated Financial Statements have been prepared in accordance with United States generally accepted accounting principles (“GAAP”) for interim financial information, Rule 10-01 of Regulation S-X, and the instructions to Form 10-Q. The financial statements do not include all of the information and footnotes required by GAAP for complete financial information. However, in the opinion of management, all adjustments (consisting of normal recurring entries) necessary for a fair presentation of operations, cash flows, and financial position have been included in the accompanying financial statements. This report should be read in conjunction with the Company’s 2016 Annual Report on Form 10-K. Operating results for the three and nine months ended September 30, 2017, are not necessarily indicative of the results that may be expected for the full year ending December 31, 2017. In 2014 the Financial Accounting Standards Board (“FASB”) issued new accounting guidance related to the recognition of revenue from contracts with customers. In 2015 the FASB deferred the effective date one year from the date in the original guidance. The guidance is effective for fiscal years and interim periods beginning after December 15, 2017, which will be the first quarter of 2018 for the Company. The Company’s adoption of this item is not expected to have a material impact on its results of operations or financial condition. In 2016 the FASB issued new accounting guidance related to certain aspects of the recognition and measurement of financial assets and liabilities. For public companies the guidance is effective for periods beginning after December 15, 2017, which will be the first quarter of 2018 for the Company. Early application of some aspects of the new guidance is also permitted, although the Company does not intend to adopt the guidance early. The Company’s eventual adoption of this new guidance is not expected to have a material impact on its results of operations or financial condition. In 2016 the FASB issued new accounting guidance related to the accounting for lease assets and liabilities. For public companies the guidance is effective for periods beginning after December 15, 2018, which will be the first quarter of 2019 for the Company. The Company’s adoption of this item is not expected to have a material impact on its results of operations or financial condition. In 2016 the FASB issued new accounting guidance related to the measurement of credit losses on financial instruments. The new guidance replaces the current methodology of measuring credit losses based on incurred losses at the balance sheet date with a methodology that measures credit losses based on the current estimate of expected credit losses. For the Company this guidance is effective for periods beginning after December 15, 2019, which will be the first quarter of 2020. Management has not completed the complex analysis required to determine the impact that adoption of this new guidance could have on the Company’s results of operations or financial condition. In 2017 the FASB issued new accounting guidance related to the accounting for premiums on purchased callable debt securities. For the Company this guidance is effective for periods beginning after December 15, 2018, which will be the first quarter of 2019. The Company’s adoption of this item is not expected to have a material impact on its results of operations or financial condition. In 2017 the FASB issued new accounting guidance related to improving the presentation of net periodic pension costs and net periodic postretirement benefit costs. For the Company this guidance is effective for periods beginning after December 15, 2017, which will be the first quarter of 2018. The Company’s adoption of this item is not expected to have a material impact on its results of operations or financial condition. In 2017 the FASB issued new accounting guidance related to the accounting for modifications of share-based payment awards. For the Company this guidance is effective for periods beginning after December 15, 2017, which will be the first quarter of 2018. The Company’s adoption of this item is not expected to have a material impact on its results of operations or financial condition. In 2017 the FASB issued new accounting guidance related to improving the accounting for hedging activities. For the Company this guidance is effective for periods beginning after December 15, 2018, which will be the first quarter of 2019. The Company’s adoption of this item is not expected to have a material impact on its results of operations, financial condition, or other comprehensive income.

Mortgage-Related Securities Ava

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity	9 Months Ended
	Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Mortgage Related Securities Available For Sale And Held To Maturity [Text Block]	2. Mortgage-Related Securities Available-for-Sale and Held-to-Maturity The amortized cost and fair value of mortgage-related securities available-for-sale and held-to-maturity are as follows: September 30, 2017 Gross Gross Estimated Amortized Unrealized Unrealized Fair Cost Gains Losses Value Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 185,816 $ 510 $ (877) $ 185,449 Federal National Mortgage Association 175,284 374 (928) 174,730 Government National Mortgage Association 13,823 3 (143) 13,683 Private-label CMOs 12,488 219 (88) 12,619 Total available-for-sale $ 387,411 $ 1,106 $ (2,036) $ 386,481 Securities held-to-maturity: Federal National Mortgage Association $ 91,617 $ 944 – $ 92,561 Total held-to-maturity $ 91,617 $ 944 – $ 92,561 December 31, 2016 Gross Gross Estimated Amortized Unrealized Unrealized Fair Cost Gains Losses Value Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 187,958 $ 929 $ (1,049) $ 187,838 Federal National Mortgage Association 162,936 759 (1,085) 162,610 Government National Mortgage Association 5,279 3 (80) 5,202 Private-label CMOs 16,233 220 (223) 16,230 Total available-for-sale $ 372,406 $ 1,911 $ (2,437) $ 371,880 Securities held-to-maturity: Federal National Mortgage Association $ 93,234 $ 1,032 – $ 94,266 Total held-to-maturity $ 93,234 $ 1,032 – $ 94,266 The following tables summarize mortgage-related securities by amount of time the securities have had a gross unrealized loss as of the dates indicated: September 30, 2017 Less Than 12 Months Greater Than 12 Months in an Unrealized Loss Position in an Unrealized Loss Position Gross Total Unrealized Number of Estimated Unrealized Number of Estimated Unrealized Estimated Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 825 36 $ 122,852 $ 52 3 $ 3,715 $ 877 $ 126,567 Federal National Mortgage Association 479 31 84,129 449 7 17,866 928 101,995 Government National Mortgage Association 143 6 13,665 – – – 143 13,665 Private-label CMOs 11 1 656 77 8 5,753 88 6,409 Total available-for-sale $ 1,458 74 $ 221,302 $ 578 18 $ 27,334 $ 2,036 $ 248,636 December 31, 2016 Less Than 12 Months Greater Than 12 Months in an Unrealized Loss Position in an Unrealized Loss Position Gross Total Unrealized Number of Estimated Unrealized Number of Estimated Unrealized Estimated Securities available-for-sale: Federal Home Loan Mortgage $ 459 14 $ 35,938 $ 590 17 $ 75,151 $ 1,049 $ 111,089 Federal National Mortgage 345 11 33,559 740 17 58,366 1,085 91,925 Government National Mortgage Association 80 2 5,182 – – – 80 5,182 Private-label CMOs 18 2 2,398 205 11 9,286 223 11,684 Total available-for-sale $ 902 29 $ 77,077 $ 1,535 45 $ 142,803 $ 2,437 $ 219,880 The Company determined that the unrealized losses on its mortgage-related securities were temporary as of September 30, 2017, and December 31, 2016. The Company does not intend to sell these securities and it is unlikely that it will be required to sell these securities before the recovery of their amortized cost. The Company believes it is probable that it will receive all future contractual cash flows related to these securities. This determination was based on management’s judgment regarding the nature of the loan collateral that supports the securities, a review of the current ratings issued on the securities by various credit rating agencies, recent trends in the fair market values of the securities and, in the case of private-label collateralized mortgage obligations (“CMOs”), a review of the actual delinquency and/or default performance of the loan collateral that supports the securities. As of September 30, 2017, and December 31, 2016, the Company had private-label CMOs, with a fair value of $ 8,911 11,625 138 37 The following table contains a summary of other-than-temporary impairment (“OTTI”) related to credit losses that have been recognized in earnings as of the dates indicated for private label CMOs, as well as the end of period values for securities that have experienced such losses: Three Months Ended Nine Months Ended 2017 2016 2017 2016 Beginning balance of unrealized OTTI related to credit losses $ 369 $ 522 $ 460 $ 592 Reductions for increase in cash flows expected to be received (1) (31) (92) (101) Ending balance of unrealized OTTI related to credit losses $ 368 $ 491 $ 368 $ 491 Adjusted cost at end of period $ 2,648 $ 3,653 $ 2,648 $ 3,653 Estimated fair value at end of period $ 2,836 $ 3,922 $ 2,836 $ 3,922 Results of operations included no gross realized gains or losses on the sale of securities during the three and nine months ended September 30, 2017 or 2016. Mortgage-related securities available-for-sale with a fair value of approximately $ 37,741 44,155

Loans Receivable

Loans Receivable	9 Months Ended
	Sep. 30, 2017
Receivables [Abstract]
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]	3. Loans Receivable September 30 December 31 2017 2016 Commercial loans: Commercial and industrial $ 272,283 $ 241,689 Commercial real estate 359,168 375,459 Multi-family real estate 569,739 506,136 Construction and development loans: Commercial real estate 27,229 34,125 Multi-family real estate 219,568 328,186 Land and land development 10,077 12,484 Total construction and development 256,874 374,795 Total commercial loans 1,458,064 1,498,079 Retail loans: One- to four-family first mortgages: Permanent 460,907 457,014 Construction 54,686 42,961 Total one- to four-family first mortgages 515,593 499,975 Home equity loans: Fixed term home equity 96,009 105,544 Home equity lines of credit 63,898 70,043 Total home equity loans 159,907 175,587 Other consumer loans: Student 5,995 6,810 Other 10,724 11,373 Total other consumer loans 16,719 18,183 Total retail loans 692,219 693,745 Gross loans receivable 2,150,283 2,191,824 Undisbursed loan proceeds (142,824) (227,537) Allowance for loan losses (21,326) (19,940) Deferred fees and costs, net (1,310) (1,440) Total loans receivable, net $ 1,984,823 $ 1,942,907 The Company’s commercial and retail borrowers are primarily located in the Company’s local lending areas in Wisconsin, Illinois, Michigan, Minnesota, and Iowa, as is the real estate and non-real estate collateral that secures the Company’s loans. At September 30, 2017, and December 31, 2016, certain one- to four-family mortgage loans, multi-family mortgage loans, and home equity loans with aggregate carrying values of approximately $ 544,000 586,000 The unpaid principal balance of loans serviced for others was $ 957,819 996,985 At or for the Nine Months Ended September 30, 2017 Commercial Commercial Multi- Construction One- to Home Equity Total Allowance for loan losses: Beginning balance $ 3,840 $ 4,630 $ 5,307 $ 2,680 $ 2,518 $ 965 $ 19,940 Provision (recovery) 1,198 223 853 (768) 7 39 1,552 Charge-offs (31) – – – (55) (295) (381) Recoveries – 13 32 – 67 103 215 Ending balance $ 5,007 $ 4,866 $ 6,192 $ 1,912 $ 2,537 $ 812 $ 21,326 Loss allowance individually evaluated for impairment – $ 130 – – $ 2 $ 45 $ 177 Loss allowance collectively evaluated for impairment $ 5,007 $ 4,736 $ 6,192 $ 1,912 $ 2,535 $ 767 $ 21,149 Loan receivable balances at Loans individually evaluated for impairment $ 8,367 $ 11,094 $ 3,808 $ 1,001 $ 3,687 $ 230 $ 28,187 Loans collectively evaluated for impairment 263,916 348,074 565,931 149,319 475,636 176,396 1,979,272 Total loans receivable $ 272,283 $ 359,168 $ 569,739 $ 150,320 $ 479,323 $ 176,626 $ 2,007,459 At or for the Nine Months Ended September 30, 2016 Commercial Commercial Multi- Construction One- to Home Equity Total Allowance for loan losses: Beginning balance $ 3,658 $ 4,796 $ 3,337 $ 2,835 $ 1,835 $ 1,180 $ 17,641 Provision (recovery) 166 (608) 2,112 (48) 291 73 1,986 Charge-offs – (179) – – (84) (334) (597) Recoveries 5 28 30 – 42 67 172 Ending balance $ 3,829 $ 4,037 $ 5,479 $ 2,787 $ 2,084 $ 986 $ 19,202 Loss allowance individually evaluated for impairment $ 167 – – $ 1 $ 11 $ 44 $ 223 Loss allowance collectively evaluated for impairment $ 3,662 $ 4,037 $ 5,479 $ 2,786 $ 2,073 $ 942 $ 18,979 Loan receivable balances at Loans individually evaluated for impairment $ 5,658 $ 6,250 $ 3,957 $ 1,889 $ 4,616 $ 644 $ 23,014 Loans collectively evaluated for impairment 224,456 358,101 521,782 146,802 472,735 199,585 1,923,461 Total loans receivable $ 230,114 $ 364,351 $ 525,739 $ 148,691 $ 477,351 $ 200,229 $ 1,946,475 The Company adjusts certain factors used to determine the allowance for loan losses on loans that are collectively evaluated for impairment. Management considered these adjustments necessary and prudent in light of trends in net charge-offs, real estate values, economic conditions, and unemployment. The Company estimates that these changes, as well as overall changes in the balance of loans to which these factors were applied, resulted in an increase in the total allowance for loan losses of $ 399 1,367 1,213 1,873 September 30, 2017 Loans Unpaid Related Average Loan Interest Impaired loans with an allowance recorded: Commercial and industrial: Term loans – – – – – Lines of credit – – – – – Total commercial and industrial – – – – – Commercial real estate: Office – – – – – Retail/wholesale/mixed $ 715 $ 729 $ 130 $ 456 $ 20 Industrial/warehouse – – – – – Other – – – – – Total commercial real estate 715 729 130 456 20 Multi-family real estate – – – – – Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development – – – – – Total construction and development – – – – – One- to four-family 1,277 1,277 2 1,884 – Home equity and other consumer: Home equity 151 151 45 122 – Student – – – – – Other – – – – – Total home equity and other consumer 151 151 45 122 – Total with an allowance recorded $ 2,143 $ 2,157 $ 177 $ 2,462 $ 20 Impaired loans with no allowance recorded: Commercial and industrial: Term loans $ 3 $ 53 – $ 47 – Lines of credit 400 431 – 475 22 Total commercial and industrial 403 484 – 522 22 Commercial real estate: Office 2,428 3,003 – 2,244 130 Retail/wholesale/mixed 812 1,536 – 884 72 Industrial/warehouse 174 265 – 200 7 Other – 147 – 37 9 Total commercial real estate 3,414 4,951 – 3,365 218 Multi-family real estate 257 292 – 274 16 Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 501 578 – 450 25 Total construction and development 501 578 – 450 25 One- to four-family 2,946 3,148 – 2,849 62 Home equity and other consumer: Home equity 869 924 – 869 4 Student – – – – – Other 62 89 – 65 1 Total home equity and other consumer 931 1,013 – 934 5 Total with no allowance recorded $ 8,452 $ 10,466 – $ 8,394 $ 348 December 31, 2016 Loans Unpaid Related Average Loan Interest Impaired loans with an allowance recorded: Commercial and industrial: Term loans $ 354 $ 360 $ 96 $ 144 $ 20 Lines of credit – – – – – Total commercial and industrial 354 360 96 144 20 Commercial real estate: Office – – – – – Retail/wholesale/mixed – – – – – Industrial/warehouse – – – – – Other – – – – – Total commercial real estate – – – – – Multi-family real estate – – – – – Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 119 119 1 48 – Total construction and development 119 119 1 48 – One- to four-family 2,214 2,214 17 889 – Home equity and other consumer: Home equity 152 148 44 46 – Student – – – – – Other – – – – – Total home equity and other consumer 152 148 44 46 – Total with an allowance recorded $ 2,839 $ 2,841 $ 158 $ 1,127 $ 20 Impaired loans with no allowance recorded: Commercial and industrial: Term loans $ 67 $ 103 – $ 94 $ 3 Lines of credit 567 578 – 983 28 Total commercial and industrial 634 681 – 1,077 31 Commercial real estate: Office 1,967 2,413 – 2,044 146 Retail/wholesale/mixed 691 1,381 – 1,348 96 Industrial/warehouse 181 265 – 188 14 Other – 151 – 4 14 Total commercial real estate 2,839 4,210 – 3,584 270 Multi-family real estate 274 292 – 226 24 Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 260 322 – 203 16 Total construction and development 260 322 – 203 16 One- to four-family 3,054 3,316 – 2,739 20 Home equity and other consumer: Home equity 798 835 – 805 9 Student – – – – – Other 46 62 – 75 – Total home equity and other consumer 844 897 – 880 9 Total with no allowance recorded $ 7,905 $ 9,718 – $ 8,709 $ 370 September 30, 2017 Pass Watch Special Substandard Total Commercial and industrial: Term loans $ 64,666 $ 11,677 $ 1,382 $ 1,474 $ 79,199 Lines of credit 155,816 14,631 15,744 6,893 193,084 Total commercial and industrial 220,482 26,308 17,126 8,367 272,283 Commercial real estate: Office 109,627 12,954 – 3,353 125,934 Retail/wholesale/mixed use 136,086 1,874 15,167 2,760 155,887 Industrial/warehouse 43,094 19,372 4,228 4,981 71,675 Other 5,672 – – – 5,672 Total commercial real estate 294,479 34,200 19,395 11,094 359,168 Multi-family real estate 530,955 27,316 7,660 3,808 569,739 Construction and development: Commercial real estate 10,804 1,842 – – 12,646 Multi-family real estate 110,448 17,172 – – 127,620 Land and land development 8,999 54 – 1,001 10,054 Total construction/development 130,251 19,068 – 1,001 150,320 One- to four-family 474,362 368 906 3,687 479,323 Home equity and other consumer: Home equity 159,739 – – 168 159,907 Student 5,995 – – – 5,995 Other 10,650 12 – 62 10,724 Total home equity and other 176,384 12 – 230 176,626 Total $ 1,826,913 $ 107,272 $ 45,087 $ 28,187 $ 2,007,459 December 31, 2016 Pass Watch Special Substandard Total Commercial and industrial: Term loans $ 59,774 $ 3,215 $ 174 $ 733 $ 63,896 Lines of credit 139,517 22,806 11,356 4,114 177,793 Total commercial and industrial 199,291 26,021 11,530 4,847 241,689 Commercial real estate: Office 119,792 4,549 14,379 2,703 141,423 Retail/wholesale/mixed use 141,223 11,639 14,847 3,913 171,622 Industrial/warehouse 42,921 7,242 4,976 576 55,715 Other 6,699 – – – 6,699 Total commercial real estate 310,635 23,430 34,202 7,192 375,459 Multi-family real estate 494,437 – 7,783 3,916 506,136 Construction and development: Commercial real estate 15,232 1,200 – – 16,432 Multi-family real estate 145,097 – – – 145,097 Land and land development 10,945 181 – 1,355 12,481 Total construction/development 171,274 1,381 – 1,355 174,010 One- to four-family 467,237 437 881 4,668 473,223 Home equity and other consumer: Home equity 175,145 – – 442 175,587 Student 6,810 – – – 6,810 Other 11,309 18 – 46 11,373 Total home equity and other consumer 193,264 18 – 488 193,770 Total $ 1,836,138 $ 51,287 $ 54,396 $ 22,466 $ 1,964,287 Loans rated “pass” or “watch” are generally current on contractual loan and principal payments and comply with other contractual loan terms. Pass loans generally have no noticeable credit deficiencies or potential weaknesses. Loans rated watch, however, will typically exhibit early signs of credit deficiencies or potential weaknesses that deserve management’s close attention. Loans rated “special mention” do not currently expose the Company to a sufficient degree of risk to warrant a lower rating, but possess clear trends in credit deficiencies or potential weaknesses that deserve management’s close attention. The allowance for loan losses on loans rated pass, watch, or special mention is typically evaluated collectively for impairment using a homogenous pool approach. This approach utilizes quantitative factors developed by management from its assessment of historical loss experience, qualitative factors, and other considerations. Loans rated “substandard” involve a distinct possibility that the Company could sustain some loss if deficiencies associated with the loan are not corrected. Loans rated “doubtful” indicate that full collection is highly questionable or improbable. The Company did not have any loans that were rated doubtful at September 30, 2017, or December 31, 2016. Loans rated substandard or doubtful that are also considered in management’s judgment to be impaired are generally analyzed individually to determine an appropriate allowance for loan loss. A loan rated “loss” is considered uncollectible, even if a partial recovery could be expected in the future. The Company generally charges off loans that are rated as a loss. As such, the Company did not have any loans that were rated loss at September 30, 2017, or December 31, 2016. September 30, 2017 Past Due Status Total 30-59 60-89 > 90 Total Total Total Non- Commercial and industrial: Term loans $ 750 – $ 3 $ 753 $ 78,446 $ 79,199 $ 3 Lines of credit 1,286 $ 373 – 1,659 191,425 193,084 400 Total commercial and industrial 2,036 373 3 2,412 269,871 272,283 403 Commercial real estate: Office – – – – 125,934 125,934 2,428 Retail/wholesale/mixed – 715 – 715 155,172 155,887 1,527 Industrial/warehouse – – – – 71,675 71,675 174 Other – – – – 5,672 5,672 – Total commercial real estate – 715 – 715 358,453 359,168 4,129 Multi-family real estate 389 – – 389 569,350 569,739 257 Construction and development: Commercial real estate – – – – 12,646 12,646 – Multi-family real estate – – – – 127,620 127,620 – Land and land development – – 10,054 10,054 501 Total construction – – – – 150,320 150,320 501 One- to four-family 6,197 1,629 2,146 9,972 469,351 479,323 2,291 Home equity and other consumer: Home equity 834 177 168 1,179 158,728 159,907 169 Student 112 114 231 457 5,538 5,995 – Other 57 28 62 147 10,577 10,724 62 Total home equity and other consumer 1,003 319 461 1,783 174,843 176,626 231 Total $ 9,625 $ 3,036 $ 2,610 $ 15,271 $ 1,992,188 $ 2,007,459 $ 7,812 December 31, 2016 Past Due Status Total 30-59 60-89 > 90 Total Total Total Non- Commercial and industrial: Term loans – – $ 48 $ 48 $ 63,848 $ 63,896 $ 422 Lines of credit – – – – 177,793 177,793 567 Total commercial and industrial – – 48 48 241,641 241,689 989 Commercial real estate: Office – – 1,667 1,667 139,756 141,423 1,967 Retail/wholesale/mixed $ 852 $ 235 – 1,087 170,535 171,622 691 Industrial/warehouse – – 181 181 55,534 55,715 181 Other – – – – 6,699 6,699 – Total commercial real estate 852 235 1,848 2,935 372,524 375,459 2,839 Multi-family real estate 438 – – 438 505,698 506,136 274 Construction and development: Commercial real estate – – – – 16,432 16,432 – Multi-family real estate – – – – 145,097 145,097 – Land and land development – – – – 12,481 12,481 148 Total construction – – – – 174,010 174,010 148 One- to four-family 5,803 2,195 3,082 11,080 462,143 473,223 3,191 Home equity and other consumer: Home equity 330 237 442 1,009 174,578 175,587 442 Student 168 98 295 561 6,249 6,810 – Other 61 40 46 147 11,226 11,373 46 Total home equity and other consumer 559 375 783 1,717 192,053 193,770 488 Total $ 7,652 $ 2,805 $ 5,761 $ 16,218 $ 1,948,069 $ 1,964,287 $ 7,929 As of September 30, 2017, and December 31, 2016, $ 231 295 The Company classifies a loan modification as a troubled debt restructuring (“TDR”) when it has granted a borrower experiencing financial difficulties a concession that it would otherwise not consider. Loan modifications that result in insignificant delays in the receipt of payments (generally six months or less) are not considered TDRs under the Company’s TDR policy. TDRs are relatively insignificant and/or infrequent in the Company and generally consist of loans placed in interest-only status for a short period of time or payment forbearance for greater than six months. As of September 30, 2017, and December 31, 2016, TDRs were $ 6,042 5,772 2,783 2,815

Mortgage Servicing Rights

Mortgage Servicing Rights	9 Months Ended
	Sep. 30, 2017
Finite-Lived Intangible Assets, Net [Abstract]
Mortgage Servicing Rights [Text Block]	Mortgage Servicing Rights Nine Months Ended September 30 2017 2016 MSRs at beginning of the period, net $ 6,569 $ 7,205 Additions 809 1,042 Amortization (1,100) (1,636) MSRs at end of the period, net $ 6,278 $ 6,611 Amount Estimate for three months ending December 31: 2017 $ 244 Estimate for years ending December 31: 2018 889 2019 783 2020 677 2021 582 2022 518 Thereafter 2,585 Total $ 6,278 The projection of amortization for mortgage servicing rights is based future contractual principal and interest cash flows expected as of September 30, 2017. Future amortization expense may be significantly different depending upon changes in the mortgage servicing portfolio, mortgage interest rates, and market conditions.

Other Assets

Other Assets	9 Months Ended
	Sep. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Assets Disclosure [Text Block]	The following table summarizes the components of other assets as of the dates indicated: September 30 December 31 2017 2016 Accrued interest: Loans receivable $ 5,344 $ 5,357 Mortgage-related securities 1,067 1,015 Total accrued interest 6,411 6,372 Foreclosed properties and repossessed assets: Commercial real estate 186 1,559 Land and land development – 598 One-to four-family 659 787 Total foreclosed properties and repossessed assets 845 2,944 Bank-owned life insurance 64,826 63,494 Premises and equipment, net 40,697 47,343 Federal Home Loan Bank stock, at cost 18,361 20,261 Deferred tax asset, net 14,281 14,543 Other assets 19,496 22,938 Total other assets $ 164,917 $ 177,895 Residential one-to four-family mortgage loans that were in the process of foreclosure were $ 803 2,424

Deposit Liabilities

Deposit Liabilities	9 Months Ended
	Sep. 30, 2017
Deposits, Interest-bearing and Noninterest-bearing, Alternative [Abstract]
Deposit Liabilities Disclosures [Text Block]	6. Deposit Liabilities The following table summarizes the components of deposit liabilities as of the dates indicated: September 30 December 31 2017 2016 Checking accounts: Non-interest-bearing $ 305,565 $ 309,137 Interest-bearing 240,650 238,142 Total checking accounts 546,215 547,279 Money market accounts 529,871 558,905 Savings accounts 238,409 234,038 Certificates of deposit: Due within one year 447,694 325,408 After one but within two years 137,203 162,138 After two but within three years 21,392 31,938 After three but within four years 2,303 2,246 After four but within five years 1,465 2,778 Total certificates of deposits 610,057 524,508 Total deposit liabilities $ 1,924,552 $ 1,864,730

Borrowings

Borrowings	9 Months Ended
	Sep. 30, 2017
Advances from Federal Home Loan Banks [Abstract]
Debt Disclosure [Text Block]	7. Borrowings September 30, 2017 December 31, 2016 Weighted- Weighted- Average Average Balance Rate Balance Rate FHLB short-term advances $ 320,000 1.16 % $ 285,000 0.70 % FHLB term advances maturing in: 2017 – 63,397 0.89 2018 22,547 1.60 22,547 1.60 2019 15,308 2.88 16,838 3.09 2020 23,547 3.67 24,338 3.72 2021 14,520 3.01 14,674 3.03 2022 5,838 5.11 5,967 5.11 Thereafter 6,262 4.04 6,389 4.04 Total borrowings $ 408,022 1.56 % $ 439,150 1.22 % All of the Company’s term advances from the FHLB of Chicago are subject to prepayment penalties if voluntarily repaid by the Company prior to stated maturity. The Company is required to pledge certain unencumbered mortgage loans and mortgage-related securities as collateral against its outstanding advances from the FHLB of Chicago. Advances are also collateralized by the shares of capital stock of the FHLB of Chicago that are owned by the Company. The Company’s borrowings at the FHLB of Chicago are limited to the lesser of: (i) 35% of total assets 22.2 times the FHLB of Chicago capital stock owned by the Company the total of 73% of the book value of one- to four-family mortgage loans 73% of the book value of certain multi-family mortgage loans 51% of the book value of certain home equity loans 98% of the fair value of certain mortgage-related securities

Regulatory Capital Requirements

Regulatory Capital Requirements	9 Months Ended
	Sep. 30, 2017
Regulatory Capital Requirements [Abstract]
Regulatory Capital Requirements under Banking Regulations [Text Block]	8. Regulatory Capital Requirements The Company and Bank are subject to various regulatory capital requirements administered by federal banking agencies and as defined in applicable regulations. Failure to meet minimum capital requirements can initiate certain mandatory actions and possible additional discretionary actions by regulators that, if undertaken, could have a direct material effect on the Company's financial statements. Under capital adequacy guidelines and the regulatory framework for prompt corrective action, the Company and Bank must meet specific capital guidelines that involve quantitative measures of assets, liabilities, and certain off-balance sheet items as calculated under regulatory accounting practices. The Company and Bank’s capital amounts and classification are also subject to qualitative judgments by the regulators about components, risk weightings, and other factors. Management believes that, as of September 30, 2017, and December 31, 2016, the Company and the Bank met or exceeded all regulatory capital adequacy requirements to which it is subject. The following table presents the Company and the Bank’s actual and required regulatory capital amounts and ratios as of the dates indicated. Actual Required to be Required to be Well Amount Ratio Amount Ratio Amount Ratio As of September 30, 2017: At the Company: Total risk-weighted capital $ 320,491 16.02 % $ 160,074 8.00 % $ 200,093 10.00 % Tier 1 risk-weighted capital 299,165 14.95 120,056 6.00 160,074 8.00 CET1 risk-weighted capital 299,165 14.95 90,042 4.50 130,060 6.50 Tier 1 leverage capital 299,165 11.08 108,001 4.00 135,002 5.00 At the Bank: Total risk-weighted capital $ 296,003 14.80 % $ 160,021 8.00 % $ 200,026 10.00 % Tier 1 risk-weighted capital 274,677 13.73 120,016 6.00 160,021 8.00 CET1 risk-weighted capital 274,677 13.73 90,012 4.50 130,017 6.50 Tier 1 leverage capital 274,677 10.18 107,937 4.00 134,921 5.00 Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016: At the Company: Total risk-weighted capital $ 312,503 15.50 % $ 161,329 8.00 % $ 201,661 10.00 % Tier 1 risk-weighted capital 292,563 14.51 120,997 6.00 161,329 8.00 CET1 risk-weighted capital 292,563 14.51 90,747 4.50 131,080 6.50 Tier 1 leverage capital 292,563 11.11 105,333 4.00 131,666 5.00 At the Bank: Total risk-weighted capital $ 285,016 14.14 % $ 161,247 8.00 % $ 201,559 10.00 % Tier 1 risk-weighted capital 265,076 13.15 120,936 6.00 161,247 8.00 CET1 risk-weighted capital 265,076 13.15 90,702 4.50 131,014 6.50 Tier 1 leverage capital 265,076 10.09 105,108 4.00 131,385 5.00

Earnings Per Share

Earnings Per Share	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Earnings Per Share [Text Block]	9. Earnings Per Share The following table summarizes the computation of basic and diluted earnings per share for the periods indicated: Three Months Ended Nine Months Ended September 30 September 30 2017 2016 2017 2016 Net income $ 3,842 $ 4,454 $ 11,674 $ 12,876 Weighted average shares outstanding 45,401,416 45,116,082 45,392,526 45,077,767 Vested restricted stock for period 160,649 123,485 145,601 111,223 Basic shares outstanding 45,562,065 45,239,567 45,538,127 45,188,990 Net dilutive effect of: Stock option shares 447,208 379,310 454,435 392,738 Non-vested restricted stock 55,777 45,972 61,064 49,190 Diluted shares outstanding 46,065,050 45,664,849 46,053,626 45,630,918 Basic earnings per share $ 0.08 $ 0.10 $ 0.25 $ 0.28 Diluted earnings per share $ 0.08 $ 0.10 $ 0.25 $ 0.28 The Company had stock options for 82,000 359,834 11.69 8.18

Employee Benefit Plans

Employee Benefit Plans	9 Months Ended
	Sep. 30, 2017
Compensation and Retirement Disclosure [Abstract]
Pension and Other Postretirement Benefits Disclosure [Text Block]	Employee Benefit Plans The Company has a discretionary, defined contribution savings plan (the “Savings Plan”). The Savings Plan is qualified under Sections 401(a) and 401(k) of the Internal Revenue Code and provides employees meeting certain minimum age and service requirements the ability to make contributions to the Savings Plan on a pretax basis. The Company then matches a percentage of the employee’s contributions. Matching contributions expensed by the Company were $ 280 205 881 630 The Company also has a qualified defined benefit pension plan covering employees that have met certain minimum age and service requirements and a supplemental defined benefit pension plan for certain eligible employees. The supplemental pension plan is funded through a "rabbi trust" arrangement. The benefits under these plans are generally based on the employee’s years of service and average annual wages, as defined in the plan. The Company’s funding policy is to contribute annually the amount necessary to satisfy the requirements of the Employee Retirement Income Security Act of 1974. In prior periods the Company closed the qualified defined benefit pension plan to new participants and froze the benefits of all existing participants. These changes resulted in the future benefits under the Company’s supplemental defined benefit pension plan also being effectively frozen. Three Months Ended Nine Months Ended 2017 2016 2017 2016 Service cost – – – – Interest cost $ 647 $ 669 $ 1,941 $ 2,007 Expected return on plan assets (801) (861) (2,403) (2,583) Amortization of net loss from earlier periods 70 57 210 171 Net periodic benefit cost $ (84) $ (135) $ (252) $ (405) Three Months Ended Nine Months Ended 2017 2016 2017 2016 Interest cost $ 85 $ 93 $ 255 $ 279 Amortization of net loss from earlier periods 20 26 60 78 Net periodic benefit cost $ 105 $ 119 $ 315 $ 357 A contribution of $ 1,750,000

Stock-Based Benefit Plans

Stock-Based Benefit Plans	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]	11. Stock-Based Benefit Plans In 2004 the Company’s shareholders approved the 2004 Stock Incentive Plan (the “2004 Plan”). Options and restricted stock granted under the 2004 Plan vested over five years and options had expiration terms of ten years. The 2004 Plan terminated in 2014 in accordance with the terms of the plan. Options awarded under the 2004 Plan will remain outstanding until exercised, forfeited, or expired. In 2014 the Company’s shareholders approved the 2014 Incentive Compensation Plan (the “2014 Plan”), which provides for the award of stock options, stock appreciation rights, restricted stock, restricted stock units, performance shares, and cash awards. Stock-related awards under the 2014 Plan vest over a period of three or more years, subject to earlier vesting on a change in control, and, if applicable, have a maximum term of ten years. The number of shares of common stock of the Company that may be issued under the 2014 Plan is limited to 3,000,000 2,372,560 Restricted stock grants are amortized to compensation expense as the Company’s employees and directors become vested in the granted shares. The amount amortized to expense was $ 342 265 1,033 744 3,321 1,586 0.97 During the three months ended September 30, 2017 and 2016, the Company recorded stock option compensation expense of $ 67 89 211 270 222 0.60 The following table summarizes the activity in the Company’s stock options during the periods indicated: Nine Months Ended September 30 2017 2016 Stock Weighted Stock Weighted Outstanding at beginning of period 1,303,434 $ 5.5923 1,421,500 $ 5.4378 Granted – – 56,300 7.2900 Exercised (135,534) 4.0201 (138,834) 4.8840 Forfeited (4,967) 7.2900 (13,132) 5.0412 Outstanding at end of period 1,162,933 $ 5.7683 1,325,834 $ 5.5783 The following table provides additional information regarding the Company’s outstanding options as of September 30, 2017. Remaining Non-Vested Options Vested Options Contractual Stock Intrinsic Stock Intrinsic Exercise price: $11.160 0.6 – – 32,000 – $12.025 0.9 – – 50,000 – $7.226 2.6 – – 50,000 $ 147 $4.740 3.2 – – 70,000 379 $5.050 3.3 – – 149,000 760 $3.720 3.8 – – 2,500 16 $3.390 4.3 – – 220,500 1,491 $3.800 4.5 – – 10,000 64 $4.820 5.3 46,600 $ 248 173,600 925 $5.360 5.6 4,000 19 8,000 38 $5.700 5.7 4,000 18 16,000 71 $6.340 5.8 2,000 8 8,000 30 $7.170 6.3 73,200 218 107,700 321 $6.010 6.6 3,000 12 4,500 19 $5.850 6.6 – – 20,000 86 $6.100 6.9 – – 20,000 81 $6.700 7.3 9,995 34 20,005 69 $7.190 7.8 2,333 7 4,667 14 $7.290 8.3 33,739 96 17,594 50 Total 178,867 $ 660 984,066 $ 4,561 Weighted-average remaining contractual life 6.50 Years 4.40 Years Weighted-average exercise price $ 6.4523 $ 5.6440 There were 135,534 762 138,834 367 1.99 206,961 4,967 The Company uses the Black-Scholes option-pricing model to estimate the fair value of granted options. This model was developed for use in estimating the fair value of traded options that have no vesting restrictions and are fully transferable. However, the Company's stock options have characteristics significantly different from traded options and changes in the subjective input assumptions can materially affect the fair value estimate. Option valuation models such as Black-Scholes require the input of highly subjective assumptions including the expected stock price volatility, which is computed using ten years of actual price activity in the Company’s stock. The Company uses historical data of employee behavior as a basis to estimate the expected life of the options, as well as forfeitures due to employee terminations. The Company also uses its actual dividend yield at the time of the grant, as well as actual U.S. Treasury yields in effect at the time of the grant to estimate the risk-free rate. The following weighted-average assumptions were used to value 56,300 1.80 2.74 31 7.5 2.28

Financial Instruments with Off-

Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments [Text Block]	12. Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments The Company is party to financial instruments with off-balance-sheet risk in the normal course of business to meet the financing needs of its customers. These financial instruments consist of commitments to extend credit and involve, to varying degrees, elements of credit and interest rate risk in excess of the amounts recognized in the Consolidated Statements of Financial Condition. The contract amounts reflect the extent of involvement the Company has in particular classes of financial instruments and also represents the Company’s maximum exposure to credit loss. Commitments to extend credit are agreements to lend to a customer as long as there is no violation of any condition established in the contract. Commitments generally have fixed expiration dates or other termination clauses and generally require payment of a fee. As some commitments expire without being drawn upon, the total commitment amounts do not necessarily represent future cash requirements. The Company evaluates the collateral needed and creditworthiness of each customer on a case by case basis. The Company generally extends credit only on a secured basis. Collateral obtained varies, but consists principally of one- to four-family residences. Off-balance sheet financial instruments or obligations whose contract amounts represent credit and/or interest rate are summarized in the following table as of the dates indicated: September 30 December 31 2017 2016 Unused commercial lines of credit $ 184,439 $ 177,672 Commercial loans 2,412 3,709 Standby letters of credit 7,446 7,821 Real estate loan commitments: Fixed rate 22,715 34,074 Adjustable rate 228,188 303,546 Unused consumer lines of credit 163,438 160,898 The Company sells substantially all of its long-term, fixed-rate, one- to four-family loan originations in the secondary market. The Company uses interest rate lock commitments (“IRLCs”) and forward commitments to sell loans to manage interest rate risk associated with its loan sales activities, both of which are considered to be free-standing derivative financial instruments under GAAP. Changes in the fair value of the derivative instruments are recognized currently through earnings. During the three months ended September 30, 2017 and 2016, net unrealized gains (losses) of $ (37) 86 (170) 119 (31) 36 119 172 The Company enters into interest rate swap arrangements to manage the interest rate risk exposure associated with specific commercial loan relationships at the time such loans are originated. These interest rate swaps, as well as the embedded derivatives associated with certain of its commercial loan relationships, are free-standing derivative instruments under GAAP. As such, changes in the fair value of these derivative instruments are recognized currently through earnings. During the three months ended September 30, 2017 and 2016, net unrealized gains of $ 235 206 235 206 2,443 247 2,443 247 The following table summarizes the Company’s derivative assets and liabilities as of the dates indicated: September 30, 2017 December 31, 2016 Notional Fair Value Notional Fair Value Interest rate lock commitments $ 7,150 $ 132 $ 6,806 $ 145 Forward commitments to sell loans 10,066 (105) 11,861 52 Embedded free-standing derivatives on commercial loans 8,597 184 8,765 258 Receive-fixed free-standing interest rate swaps 323,789 (605) 299,595 (3,122) Pay-fixed free-standing interest rate swaps 332,386 421 308,360 2,864 Pay-fixed cash flow hedge interest rate swaps – – 20,000 28 Net unrealized gains $ 27 $ 225 The unrealized gains shown in the above table were included as a component of other assets as of the dates indicated. The unrealized losses were included in other liabilities as of the dates indicated.

Fair Value Measurements

Fair Value Measurements	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Fair Value Of Financial Instruments [Text Block]	Fair value is the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (exit price). The Company utilizes market data or assumptions that market participants would use in pricing the asset or liability, including assumptions about risk and the risks inherent in the inputs to the valuation technique. These inputs can be readily observable, market corroborated, or generally unobservable. The Company primarily applies the market approach for recurring value measurements and endeavors to utilize the best available information. Accordingly, the Company utilizes valuation techniques that maximize the use of observable inputs and minimize the use of unobservable inputs. The Company is able to classify fair value measurements based on the observability of those inputs. Accounting guidance establishes a fair value hierarchy that prioritizes the inputs used to measure fair value. The hierarchy gives the highest priority to unadjusted quoted prices in active markets for identical assets or liabilities (Level 1), the next highest priority is given to prices based on models, methodologies, and/or management judgments that rely on direct or indirect observable inputs (Level 2), and the lowest priority to prices derived from models, methodologies, and/or management judgments that rely on significant unobservable inputs (Level 3). There were no transfers of assets or liabilities between categories of the fair value hierarchy during the nine months ended September 30, 2017. The methods and assumptions used by the Company in estimating the fair value of its financial instruments, whether or not such fair values are recognized in the consolidated financial statements, are summarized below: Cash and Cash Equivalents Mortgage-Related Securities Available-for-Sale and Held-to-Maturity Loans Receivable Mortgage Servicing Rights The following table summarizes the significant inputs utilized by the Company to estimate the fair value of its MSRs as of September 30, 2017: Weighted- Range Loan size $ 139 $14-$424 Contractual interest rate 3.64 % 2.50%-7.10% Constant prepayment rate (“CPR”) 8.08 % 1.44%-22.38% Remaining maturity in months 210 1-480 Servicing fee 0.25 % – Annual servicing cost per loan (not in thousands) $ 60 – Annual ancillary income per loan (not in thousands) $ 30 – Discount rate 9.54 % 9.50%-11.25% MSR pools with an amortized cost basis greater than fair value are carried at fair value in the Company’s financial statements. There were no pools determined to be impaired at September 30, 2017, or December 31, 2016. Accordingly, the Company had no valuation allowance as of September 30, 2017, or December 31, 2016. Federal Home Loan Bank Stock Accrued Interest Receivable and Payable Deposit Liabilities and Advance Payments by Borrowers for Taxes and Insurance Borrowings Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments The carrying values and fair values of the Company’s financial instruments are presented in the following table as of the indicated dates. September 30 December 31 Carrying Fair Carrying Fair Cash and cash equivalents $ 55,532 $ 55,532 $ 50,087 $ 50,087 Mortgage related securities available-for-sale 386,481 386,481 371,880 371,880 Mortgage related securities held-to-maturity 91,617 92,561 93,234 94,266 Loans held-for-sale 4,026 4,026 5,952 5,952 Loans receivable, net 1,984,823 2,000,290 1,942,907 1,949,534 Mortgage servicing rights, net 6,278 $ 9,073 6,569 9,329 Federal Home Loan Bank stock 18,361 18,361 20,261 20,261 Accrued interest receivable 6,411 6,411 6,372 6,372 Deposit liabilities 1,924,552 1,862,077 1,864,730 1,823,592 Borrowings 408,022 411,708 439,150 443,732 Advance payments by borrowers 30,458 30,458 4,770 4,770 Accrued interest payable 894 894 1,124 1,124 Unrealized gain (loss) on off-balance-sheet items: Interest rate lock commitments 132 132 145 145 Forward commitments to sell loans (105) (105) 52 52 Embedded free-standing derivatives on commercial loans 184 184 258 258 Receive-fixed free-standing interest rate swaps (605) (605) (3,122) (3,122) Pay-fixed free-standing interest rate swaps 421 421 2,864 2,864 Pay-fixed cash flow hedge interest rate swaps – – 28 28 The following table segregates by fair value hierarchy (i.e., Level 1, 2, or 3) all of the Company's assets and liabilities that were accounted for at fair value on a recurring basis as of the dates indicated: At September 30, 2017 Level 1 Level 2 Level 3 Total Loans held-for-sale – $ 4,026 – $ 4,026 Mortgage-related securities available-for-sale – 386,481 – 386,481 At December 31, 2016 Level 1 Level 2 Level 3 Total Loans held-for-sale – $ 5,952 – $ 5,952 Mortgage-related securities available-for-sale – 371,880 – 371,880 Impaired Loans 10 5 11 177 28,187 158 22,466 Foreclosed Properties 239 1,882

Pending Merger

Pending Merger	9 Months Ended
	Sep. 30, 2017
Business Combinations [Abstract]
Business Combination Disclosure [Text Block]	14. Pending Merger On July 20, 2017, the Company entered into a definitive merger agreement with Associated Banc-Corp (“Associated”). On October 24, 2017, the shareholders of the Company approved the agreement and other related matters. However, the merger remains subject to regulatory approval and other closing conditions. Upon receipt of regulatory approval and satisfaction of all other closing conditions the Company will be merged into Associated. Upon the completion of the merger each share of common stock of the Company will be converted into 0.422 shares of common stock of Associated in accordance with the terms of the merger agreement.

Mortgage-Related Securities A24

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity (Tables)	9 Months Ended
	Sep. 30, 2017
Investments, Debt and Equity Securities [Abstract]
Available-for-sale Securities [Table Text Block]	The amortized cost and fair value of mortgage-related securities available-for-sale and held-to-maturity are as follows: September 30, 2017 Gross Gross Estimated Amortized Unrealized Unrealized Fair Cost Gains Losses Value Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 185,816 $ 510 $ (877) $ 185,449 Federal National Mortgage Association 175,284 374 (928) 174,730 Government National Mortgage Association 13,823 3 (143) 13,683 Private-label CMOs 12,488 219 (88) 12,619 Total available-for-sale $ 387,411 $ 1,106 $ (2,036) $ 386,481 Securities held-to-maturity: Federal National Mortgage Association $ 91,617 $ 944 – $ 92,561 Total held-to-maturity $ 91,617 $ 944 – $ 92,561 December 31, 2016 Gross Gross Estimated Amortized Unrealized Unrealized Fair Cost Gains Losses Value Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 187,958 $ 929 $ (1,049) $ 187,838 Federal National Mortgage Association 162,936 759 (1,085) 162,610 Government National Mortgage Association 5,279 3 (80) 5,202 Private-label CMOs 16,233 220 (223) 16,230 Total available-for-sale $ 372,406 $ 1,911 $ (2,437) $ 371,880 Securities held-to-maturity: Federal National Mortgage Association $ 93,234 $ 1,032 – $ 94,266 Total held-to-maturity $ 93,234 $ 1,032 – $ 94,266
Schedule of Unrealized Loss on Investments [Table Text Block]	The following tables summarize mortgage-related securities by amount of time the securities have had a gross unrealized loss as of the dates indicated: September 30, 2017 Less Than 12 Months Greater Than 12 Months in an Unrealized Loss Position in an Unrealized Loss Position Gross Total Unrealized Number of Estimated Unrealized Number of Estimated Unrealized Estimated Securities available-for-sale: Federal Home Loan Mortgage Corporation $ 825 36 $ 122,852 $ 52 3 $ 3,715 $ 877 $ 126,567 Federal National Mortgage Association 479 31 84,129 449 7 17,866 928 101,995 Government National Mortgage Association 143 6 13,665 – – – 143 13,665 Private-label CMOs 11 1 656 77 8 5,753 88 6,409 Total available-for-sale $ 1,458 74 $ 221,302 $ 578 18 $ 27,334 $ 2,036 $ 248,636 December 31, 2016 Less Than 12 Months Greater Than 12 Months in an Unrealized Loss Position in an Unrealized Loss Position Gross Total Unrealized Number of Estimated Unrealized Number of Estimated Unrealized Estimated Securities available-for-sale: Federal Home Loan Mortgage $ 459 14 $ 35,938 $ 590 17 $ 75,151 $ 1,049 $ 111,089 Federal National Mortgage 345 11 33,559 740 17 58,366 1,085 91,925 Government National Mortgage Association 80 2 5,182 – – – 80 5,182 Private-label CMOs 18 2 2,398 205 11 9,286 223 11,684 Total available-for-sale $ 902 29 $ 77,077 $ 1,535 45 $ 142,803 $ 2,437 $ 219,880
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Table Text Block]	The following table contains a summary of other-than-temporary impairment (“OTTI”) related to credit losses that have been recognized in earnings as of the dates indicated for private label CMOs, as well as the end of period values for securities that have experienced such losses: Three Months Ended Nine Months Ended 2017 2016 2017 2016 Beginning balance of unrealized OTTI related to credit losses $ 369 $ 522 $ 460 $ 592 Reductions for increase in cash flows expected to be received (1) (31) (92) (101) Ending balance of unrealized OTTI related to credit losses $ 368 $ 491 $ 368 $ 491 Adjusted cost at end of period $ 2,648 $ 3,653 $ 2,648 $ 3,653 Estimated fair value at end of period $ 2,836 $ 3,922 $ 2,836 $ 3,922

Loans Receivable (Tables)

Loans Receivable (Tables)	9 Months Ended
	Sep. 30, 2017
Receivables [Abstract]
Schedule Of Classification Of Loans Receivable [Table Text Block]	The following table summarizes the components of loans receivable as of the dates indicated: September 30 December 31 2017 2016 Commercial loans: Commercial and industrial $ 272,283 $ 241,689 Commercial real estate 359,168 375,459 Multi-family real estate 569,739 506,136 Construction and development loans: Commercial real estate 27,229 34,125 Multi-family real estate 219,568 328,186 Land and land development 10,077 12,484 Total construction and development 256,874 374,795 Total commercial loans 1,458,064 1,498,079 Retail loans: One- to four-family first mortgages: Permanent 460,907 457,014 Construction 54,686 42,961 Total one- to four-family first mortgages 515,593 499,975 Home equity loans: Fixed term home equity 96,009 105,544 Home equity lines of credit 63,898 70,043 Total home equity loans 159,907 175,587 Other consumer loans: Student 5,995 6,810 Other 10,724 11,373 Total other consumer loans 16,719 18,183 Total retail loans 692,219 693,745 Gross loans receivable 2,150,283 2,191,824 Undisbursed loan proceeds (142,824) (227,537) Allowance for loan losses (21,326) (19,940) Deferred fees and costs, net (1,310) (1,440) Total loans receivable, net $ 1,984,823 $ 1,942,907
Allowance for Credit Losses on Financing Receivables [Table Text Block]	The following tables summarize the activity in the allowance for loan losses by loan portfolio segment for the periods indicated. The tables also summarize the allowance for loan loss and loans receivable by the nature of the impairment evaluation, either individually or collectively, at the dates indicated (the loans receivable amounts in the table are net of undisbursed loan proceeds). At or for the Nine Months Ended September 30, 2017 Commercial Commercial Multi- Construction One- to Home Equity Total Allowance for loan losses: Beginning balance $ 3,840 $ 4,630 $ 5,307 $ 2,680 $ 2,518 $ 965 $ 19,940 Provision (recovery) 1,198 223 853 (768) 7 39 1,552 Charge-offs (31) – – – (55) (295) (381) Recoveries – 13 32 – 67 103 215 Ending balance $ 5,007 $ 4,866 $ 6,192 $ 1,912 $ 2,537 $ 812 $ 21,326 Loss allowance individually evaluated for impairment – $ 130 – – $ 2 $ 45 $ 177 Loss allowance collectively evaluated for impairment $ 5,007 $ 4,736 $ 6,192 $ 1,912 $ 2,535 $ 767 $ 21,149 Loan receivable balances at Loans individually evaluated for impairment $ 8,367 $ 11,094 $ 3,808 $ 1,001 $ 3,687 $ 230 $ 28,187 Loans collectively evaluated for impairment 263,916 348,074 565,931 149,319 475,636 176,396 1,979,272 Total loans receivable $ 272,283 $ 359,168 $ 569,739 $ 150,320 $ 479,323 $ 176,626 $ 2,007,459 At or for the Nine Months Ended September 30, 2016 Commercial Commercial Multi- Construction One- to Home Equity Total Allowance for loan losses: Beginning balance $ 3,658 $ 4,796 $ 3,337 $ 2,835 $ 1,835 $ 1,180 $ 17,641 Provision (recovery) 166 (608) 2,112 (48) 291 73 1,986 Charge-offs – (179) – – (84) (334) (597) Recoveries 5 28 30 – 42 67 172 Ending balance $ 3,829 $ 4,037 $ 5,479 $ 2,787 $ 2,084 $ 986 $ 19,202 Loss allowance individually evaluated for impairment $ 167 – – $ 1 $ 11 $ 44 $ 223 Loss allowance collectively evaluated for impairment $ 3,662 $ 4,037 $ 5,479 $ 2,786 $ 2,073 $ 942 $ 18,979 Loan receivable balances at Loans individually evaluated for impairment $ 5,658 $ 6,250 $ 3,957 $ 1,889 $ 4,616 $ 644 $ 23,014 Loans collectively evaluated for impairment 224,456 358,101 521,782 146,802 472,735 199,585 1,923,461 Total loans receivable $ 230,114 $ 364,351 $ 525,739 $ 148,691 $ 477,351 $ 200,229 $ 1,946,475
Impaired Financing Receivables [Table Text Block]	The following tables present information regarding impaired loans that have a related allowance for loan loss and those that do not as of the dates indicated (the loans receivable amounts in the table are net of undisbursed loan proceeds). September 30, 2017 Loans Unpaid Related Average Loan Interest Impaired loans with an allowance recorded: Commercial and industrial: Term loans – – – – – Lines of credit – – – – – Total commercial and industrial – – – – – Commercial real estate: Office – – – – – Retail/wholesale/mixed $ 715 $ 729 $ 130 $ 456 $ 20 Industrial/warehouse – – – – – Other – – – – – Total commercial real estate 715 729 130 456 20 Multi-family real estate – – – – – Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development – – – – – Total construction and development – – – – – One- to four-family 1,277 1,277 2 1,884 – Home equity and other consumer: Home equity 151 151 45 122 – Student – – – – – Other – – – – – Total home equity and other consumer 151 151 45 122 – Total with an allowance recorded $ 2,143 $ 2,157 $ 177 $ 2,462 $ 20 Impaired loans with no allowance recorded: Commercial and industrial: Term loans $ 3 $ 53 – $ 47 – Lines of credit 400 431 – 475 22 Total commercial and industrial 403 484 – 522 22 Commercial real estate: Office 2,428 3,003 – 2,244 130 Retail/wholesale/mixed 812 1,536 – 884 72 Industrial/warehouse 174 265 – 200 7 Other – 147 – 37 9 Total commercial real estate 3,414 4,951 – 3,365 218 Multi-family real estate 257 292 – 274 16 Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 501 578 – 450 25 Total construction and development 501 578 – 450 25 One- to four-family 2,946 3,148 – 2,849 62 Home equity and other consumer: Home equity 869 924 – 869 4 Student – – – – – Other 62 89 – 65 1 Total home equity and other consumer 931 1,013 – 934 5 Total with no allowance recorded $ 8,452 $ 10,466 – $ 8,394 $ 348 December 31, 2016 Loans Unpaid Related Average Loan Interest Impaired loans with an allowance recorded: Commercial and industrial: Term loans $ 354 $ 360 $ 96 $ 144 $ 20 Lines of credit – – – – – Total commercial and industrial 354 360 96 144 20 Commercial real estate: Office – – – – – Retail/wholesale/mixed – – – – – Industrial/warehouse – – – – – Other – – – – – Total commercial real estate – – – – – Multi-family real estate – – – – – Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 119 119 1 48 – Total construction and development 119 119 1 48 – One- to four-family 2,214 2,214 17 889 – Home equity and other consumer: Home equity 152 148 44 46 – Student – – – – – Other – – – – – Total home equity and other consumer 152 148 44 46 – Total with an allowance recorded $ 2,839 $ 2,841 $ 158 $ 1,127 $ 20 Impaired loans with no allowance recorded: Commercial and industrial: Term loans $ 67 $ 103 – $ 94 $ 3 Lines of credit 567 578 – 983 28 Total commercial and industrial 634 681 – 1,077 31 Commercial real estate: Office 1,967 2,413 – 2,044 146 Retail/wholesale/mixed 691 1,381 – 1,348 96 Industrial/warehouse 181 265 – 188 14 Other – 151 – 4 14 Total commercial real estate 2,839 4,210 – 3,584 270 Multi-family real estate 274 292 – 226 24 Construction and development: Commercial real estate – – – – – Multi-family real estate – – – – – Land and land development 260 322 – 203 16 Total construction and development 260 322 – 203 16 One- to four-family 3,054 3,316 – 2,739 20 Home equity and other consumer: Home equity 798 835 – 805 9 Student – – – – – Other 46 62 – 75 – Total home equity and other consumer 844 897 – 880 9 Total with no allowance recorded $ 7,905 $ 9,718 – $ 8,709 $ 370
Financing Receivable Credit Quality Indicators [Table Text Block]	The following tables present information relating to the Company’s internal risk ratings of its loans receivable as of the dates indicated (all amounts in the tables are net of undisbursed loan proceeds): September 30, 2017 Pass Watch Special Substandard Total Commercial and industrial: Term loans $ 64,666 $ 11,677 $ 1,382 $ 1,474 $ 79,199 Lines of credit 155,816 14,631 15,744 6,893 193,084 Total commercial and industrial 220,482 26,308 17,126 8,367 272,283 Commercial real estate: Office 109,627 12,954 – 3,353 125,934 Retail/wholesale/mixed use 136,086 1,874 15,167 2,760 155,887 Industrial/warehouse 43,094 19,372 4,228 4,981 71,675 Other 5,672 – – – 5,672 Total commercial real estate 294,479 34,200 19,395 11,094 359,168 Multi-family real estate 530,955 27,316 7,660 3,808 569,739 Construction and development: Commercial real estate 10,804 1,842 – – 12,646 Multi-family real estate 110,448 17,172 – – 127,620 Land and land development 8,999 54 – 1,001 10,054 Total construction/development 130,251 19,068 – 1,001 150,320 One- to four-family 474,362 368 906 3,687 479,323 Home equity and other consumer: Home equity 159,739 – – 168 159,907 Student 5,995 – – – 5,995 Other 10,650 12 – 62 10,724 Total home equity and other 176,384 12 – 230 176,626 Total $ 1,826,913 $ 107,272 $ 45,087 $ 28,187 $ 2,007,459 December 31, 2016 Pass Watch Special Substandard Total Commercial and industrial: Term loans $ 59,774 $ 3,215 $ 174 $ 733 $ 63,896 Lines of credit 139,517 22,806 11,356 4,114 177,793 Total commercial and industrial 199,291 26,021 11,530 4,847 241,689 Commercial real estate: Office 119,792 4,549 14,379 2,703 141,423 Retail/wholesale/mixed use 141,223 11,639 14,847 3,913 171,622 Industrial/warehouse 42,921 7,242 4,976 576 55,715 Other 6,699 – – – 6,699 Total commercial real estate 310,635 23,430 34,202 7,192 375,459 Multi-family real estate 494,437 – 7,783 3,916 506,136 Construction and development: Commercial real estate 15,232 1,200 – – 16,432 Multi-family real estate 145,097 – – – 145,097 Land and land development 10,945 181 – 1,355 12,481 Total construction/development 171,274 1,381 – 1,355 174,010 One- to four-family 467,237 437 881 4,668 473,223 Home equity and other consumer: Home equity 175,145 – – 442 175,587 Student 6,810 – – – 6,810 Other 11,309 18 – 46 11,373 Total home equity and other consumer 193,264 18 – 488 193,770 Total $ 1,836,138 $ 51,287 $ 54,396 $ 22,466 $ 1,964,287
Past Due Financing Receivables [Table Text Block]	The following tables contain information relating to the past due and non-accrual status of the Company’s loans receivable as of the dates indicated (all amounts in the table are net of undisbursed loan proceeds): September 30, 2017 Past Due Status Total 30-59 60-89 > 90 Total Total Total Non- Commercial and industrial: Term loans $ 750 – $ 3 $ 753 $ 78,446 $ 79,199 $ 3 Lines of credit 1,286 $ 373 – 1,659 191,425 193,084 400 Total commercial and industrial 2,036 373 3 2,412 269,871 272,283 403 Commercial real estate: Office – – – – 125,934 125,934 2,428 Retail/wholesale/mixed – 715 – 715 155,172 155,887 1,527 Industrial/warehouse – – – – 71,675 71,675 174 Other – – – – 5,672 5,672 – Total commercial real estate – 715 – 715 358,453 359,168 4,129 Multi-family real estate 389 – – 389 569,350 569,739 257 Construction and development: Commercial real estate – – – – 12,646 12,646 – Multi-family real estate – – – – 127,620 127,620 – Land and land development – – 10,054 10,054 501 Total construction – – – – 150,320 150,320 501 One- to four-family 6,197 1,629 2,146 9,972 469,351 479,323 2,291 Home equity and other consumer: Home equity 834 177 168 1,179 158,728 159,907 169 Student 112 114 231 457 5,538 5,995 – Other 57 28 62 147 10,577 10,724 62 Total home equity and other consumer 1,003 319 461 1,783 174,843 176,626 231 Total $ 9,625 $ 3,036 $ 2,610 $ 15,271 $ 1,992,188 $ 2,007,459 $ 7,812 December 31, 2016 Past Due Status Total 30-59 60-89 > 90 Total Total Total Non- Commercial and industrial: Term loans – – $ 48 $ 48 $ 63,848 $ 63,896 $ 422 Lines of credit – – – – 177,793 177,793 567 Total commercial and industrial – – 48 48 241,641 241,689 989 Commercial real estate: Office – – 1,667 1,667 139,756 141,423 1,967 Retail/wholesale/mixed $ 852 $ 235 – 1,087 170,535 171,622 691 Industrial/warehouse – – 181 181 55,534 55,715 181 Other – – – – 6,699 6,699 – Total commercial real estate 852 235 1,848 2,935 372,524 375,459 2,839 Multi-family real estate 438 – – 438 505,698 506,136 274 Construction and development: Commercial real estate – – – – 16,432 16,432 – Multi-family real estate – – – – 145,097 145,097 – Land and land development – – – – 12,481 12,481 148 Total construction – – – – 174,010 174,010 148 One- to four-family 5,803 2,195 3,082 11,080 462,143 473,223 3,191 Home equity and other consumer: Home equity 330 237 442 1,009 174,578 175,587 442 Student 168 98 295 561 6,249 6,810 – Other 61 40 46 147 11,226 11,373 46 Total home equity and other consumer 559 375 783 1,717 192,053 193,770 488 Total $ 7,652 $ 2,805 $ 5,761 $ 16,218 $ 1,948,069 $ 1,964,287 $ 7,929

Mortgage Servicing Rights (Tabl

Mortgage Servicing Rights (Tables) - Mortgage Servicing Rights [Member]	9 Months Ended
	Sep. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Schedule Of Mortgage Servicing Rights [Table Text Block]	The following table presents the activity in the Company’s mortgage servicing rights (“MSRs”) for the periods indicated: Nine Months Ended September 30 2017 2016 MSRs at beginning of the period, net $ 6,569 $ 7,205 Additions 809 1,042 Amortization (1,100) (1,636) MSRs at end of the period, net $ 6,278 $ 6,611
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]	The following table shows the estimated future amortization expense for MSRs for the periods indicated: Amount Estimate for three months ending December 31: 2017 $ 244 Estimate for years ending December 31: 2018 889 2019 783 2020 677 2021 582 2022 518 Thereafter 2,585 Total $ 6,278

Other Assets (Tables)

Other Assets (Tables)	9 Months Ended
	Sep. 30, 2017
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Schedule of Other Assets [Table Text Block]	The following table summarizes the components of other assets as of the dates indicated: September 30 December 31 2017 2016 Accrued interest: Loans receivable $ 5,344 $ 5,357 Mortgage-related securities 1,067 1,015 Total accrued interest 6,411 6,372 Foreclosed properties and repossessed assets: Commercial real estate 186 1,559 Land and land development – 598 One-to four-family 659 787 Total foreclosed properties and repossessed assets 845 2,944 Bank-owned life insurance 64,826 63,494 Premises and equipment, net 40,697 47,343 Federal Home Loan Bank stock, at cost 18,361 20,261 Deferred tax asset, net 14,281 14,543 Other assets 19,496 22,938 Total other assets $ 164,917 $ 177,895

Deposit Liabilities (Tables)

Deposit Liabilities (Tables)	9 Months Ended
	Sep. 30, 2017
Deposits, Interest-bearing and Noninterest-bearing, Alternative [Abstract]
Schedule Of Deposit Liabilities [Table Text Block]	The following table summarizes the components of deposit liabilities as of the dates indicated: September 30 December 31 2017 2016 Checking accounts: Non-interest-bearing $ 305,565 $ 309,137 Interest-bearing 240,650 238,142 Total checking accounts 546,215 547,279 Money market accounts 529,871 558,905 Savings accounts 238,409 234,038 Certificates of deposit: Due within one year 447,694 325,408 After one but within two years 137,203 162,138 After two but within three years 21,392 31,938 After three but within four years 2,303 2,246 After four but within five years 1,465 2,778 Total certificates of deposits 610,057 524,508 Total deposit liabilities $ 1,924,552 $ 1,864,730

Borrowings (Tables)

Borrowings (Tables)	9 Months Ended
	Sep. 30, 2017
Advances from Federal Home Loan Banks [Abstract]
Federal Home Loan Bank, Advances [Table Text Block]	The following table summarizes borrowings as of the dates indicated: September 30, 2017 December 31, 2016 Weighted- Weighted- Average Average Balance Rate Balance Rate FHLB short-term advances $ 320,000 1.16 % $ 285,000 0.70 % FHLB term advances maturing in: 2017 – 63,397 0.89 2018 22,547 1.60 22,547 1.60 2019 15,308 2.88 16,838 3.09 2020 23,547 3.67 24,338 3.72 2021 14,520 3.01 14,674 3.03 2022 5,838 5.11 5,967 5.11 Thereafter 6,262 4.04 6,389 4.04 Total borrowings $ 408,022 1.56 % $ 439,150 1.22 %

Regulatory Capital Requiremen30

Regulatory Capital Requirements (Tables)	9 Months Ended
	Sep. 30, 2017
Regulatory Capital Requirements [Abstract]
Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block]	The following table presents the Company and the Bank’s actual and required regulatory capital amounts and ratios as of the dates indicated. Actual Required to be Required to be Well Amount Ratio Amount Ratio Amount Ratio As of September 30, 2017: At the Company: Total risk-weighted capital $ 320,491 16.02 % $ 160,074 8.00 % $ 200,093 10.00 % Tier 1 risk-weighted capital 299,165 14.95 120,056 6.00 160,074 8.00 CET1 risk-weighted capital 299,165 14.95 90,042 4.50 130,060 6.50 Tier 1 leverage capital 299,165 11.08 108,001 4.00 135,002 5.00 At the Bank: Total risk-weighted capital $ 296,003 14.80 % $ 160,021 8.00 % $ 200,026 10.00 % Tier 1 risk-weighted capital 274,677 13.73 120,016 6.00 160,021 8.00 CET1 risk-weighted capital 274,677 13.73 90,012 4.50 130,017 6.50 Tier 1 leverage capital 274,677 10.18 107,937 4.00 134,921 5.00 Amount Ratio Amount Ratio Amount Ratio As of December 31, 2016: At the Company: Total risk-weighted capital $ 312,503 15.50 % $ 161,329 8.00 % $ 201,661 10.00 % Tier 1 risk-weighted capital 292,563 14.51 120,997 6.00 161,329 8.00 CET1 risk-weighted capital 292,563 14.51 90,747 4.50 131,080 6.50 Tier 1 leverage capital 292,563 11.11 105,333 4.00 131,666 5.00 At the Bank: Total risk-weighted capital $ 285,016 14.14 % $ 161,247 8.00 % $ 201,559 10.00 % Tier 1 risk-weighted capital 265,076 13.15 120,936 6.00 161,247 8.00 CET1 risk-weighted capital 265,076 13.15 90,702 4.50 131,014 6.50 Tier 1 leverage capital 265,076 10.09 105,108 4.00 131,385 5.00

Earnings Per Share (Tables)

Earnings Per Share (Tables)	9 Months Ended
	Sep. 30, 2017
Earnings Per Share [Abstract]
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]	The following table summarizes the computation of basic and diluted earnings per share for the periods indicated: Three Months Ended Nine Months Ended September 30 September 30 2017 2016 2017 2016 Net income $ 3,842 $ 4,454 $ 11,674 $ 12,876 Weighted average shares outstanding 45,401,416 45,116,082 45,392,526 45,077,767 Vested restricted stock for period 160,649 123,485 145,601 111,223 Basic shares outstanding 45,562,065 45,239,567 45,538,127 45,188,990 Net dilutive effect of: Stock option shares 447,208 379,310 454,435 392,738 Non-vested restricted stock 55,777 45,972 61,064 49,190 Diluted shares outstanding 46,065,050 45,664,849 46,053,626 45,630,918 Basic earnings per share $ 0.08 $ 0.10 $ 0.25 $ 0.28 Diluted earnings per share $ 0.08 $ 0.10 $ 0.25 $ 0.28

Employee Benefit Plans (Tables)

Employee Benefit Plans (Tables)	9 Months Ended
	Sep. 30, 2017
Compensation and Retirement Disclosure [Abstract]
Schedule Of Changes In Accumulated Post Employment Benefit Obligations And Plan Assets [Table Text Block]	The following table summarizes the qualified plan’s net periodic benefit cost for the periods indicated: Three Months Ended Nine Months Ended 2017 2016 2017 2016 Service cost – – – – Interest cost $ 647 $ 669 $ 1,941 $ 2,007 Expected return on plan assets (801) (861) (2,403) (2,583) Amortization of net loss from earlier periods 70 57 210 171 Net periodic benefit cost $ (84) $ (135) $ (252) $ (405)
Schedule of Defined Benefit Plans Disclosures [Table Text Block]	The following table summarizes the supplemental plan’s net periodic costs for the periods indicated. Three Months Ended Nine Months Ended 2017 2016 2017 2016 Interest cost $ 85 $ 93 $ 255 $ 279 Amortization of net loss from earlier periods 20 26 60 78 Net periodic benefit cost $ 105 $ 119 $ 315 $ 357

Stock-Based Benefit Plans (Tabl

Stock-Based Benefit Plans (Tables)	9 Months Ended
	Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]	The following table summarizes the activity in the Company’s stock options during the periods indicated: Nine Months Ended September 30 2017 2016 Stock Weighted Stock Weighted Outstanding at beginning of period 1,303,434 $ 5.5923 1,421,500 $ 5.4378 Granted – – 56,300 7.2900 Exercised (135,534) 4.0201 (138,834) 4.8840 Forfeited (4,967) 7.2900 (13,132) 5.0412 Outstanding at end of period 1,162,933 $ 5.7683 1,325,834 $ 5.5783
Schedule of Share-based Compensation, Activity [Table Text Block]	The following table provides additional information regarding the Company’s outstanding options as of September 30, 2017. Remaining Non-Vested Options Vested Options Contractual Stock Intrinsic Stock Intrinsic Exercise price: $11.160 0.6 – – 32,000 – $12.025 0.9 – – 50,000 – $7.226 2.6 – – 50,000 $ 147 $4.740 3.2 – – 70,000 379 $5.050 3.3 – – 149,000 760 $3.720 3.8 – – 2,500 16 $3.390 4.3 – – 220,500 1,491 $3.800 4.5 – – 10,000 64 $4.820 5.3 46,600 $ 248 173,600 925 $5.360 5.6 4,000 19 8,000 38 $5.700 5.7 4,000 18 16,000 71 $6.340 5.8 2,000 8 8,000 30 $7.170 6.3 73,200 218 107,700 321 $6.010 6.6 3,000 12 4,500 19 $5.850 6.6 – – 20,000 86 $6.100 6.9 – – 20,000 81 $6.700 7.3 9,995 34 20,005 69 $7.190 7.8 2,333 7 4,667 14 $7.290 8.3 33,739 96 17,594 50 Total 178,867 $ 660 984,066 $ 4,561 Weighted-average remaining contractual life 6.50 Years 4.40 Years Weighted-average exercise price $ 6.4523 $ 5.6440

Financial Instruments with Of34

Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments (Tables)	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]	Off-balance sheet financial instruments or obligations whose contract amounts represent credit and/or interest rate are summarized in the following table as of the dates indicated: September 30 December 31 2017 2016 Unused commercial lines of credit $ 184,439 $ 177,672 Commercial loans 2,412 3,709 Standby letters of credit 7,446 7,821 Real estate loan commitments: Fixed rate 22,715 34,074 Adjustable rate 228,188 303,546 Unused consumer lines of credit 163,438 160,898
Schedule of Derivative Instruments [Table Text Block]	The following table summarizes the Company’s derivative assets and liabilities as of the dates indicated: September 30, 2017 December 31, 2016 Notional Fair Value Notional Fair Value Interest rate lock commitments $ 7,150 $ 132 $ 6,806 $ 145 Forward commitments to sell loans 10,066 (105) 11,861 52 Embedded free-standing derivatives on commercial loans 8,597 184 8,765 258 Receive-fixed free-standing interest rate swaps 323,789 (605) 299,595 (3,122) Pay-fixed free-standing interest rate swaps 332,386 421 308,360 2,864 Pay-fixed cash flow hedge interest rate swaps – – 20,000 28 Net unrealized gains $ 27 $ 225

Fair Value Measurements (Tables

Fair Value Measurements (Tables)	9 Months Ended
	Sep. 30, 2017
Fair Value Disclosures [Abstract]
Schedule Of Changes In Valuation Inputs Of Mortgage Servicing Rights [Table Text Block]	The following table summarizes the significant inputs utilized by the Company to estimate the fair value of its MSRs as of September 30, 2017: Weighted- Range Loan size $ 139 $14-$424 Contractual interest rate 3.64 % 2.50%-7.10% Constant prepayment rate (“CPR”) 8.08 % 1.44%-22.38% Remaining maturity in months 210 1-480 Servicing fee 0.25 % – Annual servicing cost per loan (not in thousands) $ 60 – Annual ancillary income per loan (not in thousands) $ 30 – Discount rate 9.54 % 9.50%-11.25%
Fair Value, by Balance Sheet Grouping [Table Text Block]	The carrying values and fair values of the Company’s financial instruments are presented in the following table as of the indicated dates. September 30 December 31 Carrying Fair Carrying Fair Cash and cash equivalents $ 55,532 $ 55,532 $ 50,087 $ 50,087 Mortgage related securities available-for-sale 386,481 386,481 371,880 371,880 Mortgage related securities held-to-maturity 91,617 92,561 93,234 94,266 Loans held-for-sale 4,026 4,026 5,952 5,952 Loans receivable, net 1,984,823 2,000,290 1,942,907 1,949,534 Mortgage servicing rights, net 6,278 $ 9,073 6,569 9,329 Federal Home Loan Bank stock 18,361 18,361 20,261 20,261 Accrued interest receivable 6,411 6,411 6,372 6,372 Deposit liabilities 1,924,552 1,862,077 1,864,730 1,823,592 Borrowings 408,022 411,708 439,150 443,732 Advance payments by borrowers 30,458 30,458 4,770 4,770 Accrued interest payable 894 894 1,124 1,124 Unrealized gain (loss) on off-balance-sheet items: Interest rate lock commitments 132 132 145 145 Forward commitments to sell loans (105) (105) 52 52 Embedded free-standing derivatives on commercial loans 184 184 258 258 Receive-fixed free-standing interest rate swaps (605) (605) (3,122) (3,122) Pay-fixed free-standing interest rate swaps 421 421 2,864 2,864 Pay-fixed cash flow hedge interest rate swaps – – 28 28
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]	The following table segregates by fair value hierarchy (i.e., Level 1, 2, or 3) all of the Company's assets and liabilities that were accounted for at fair value on a recurring basis as of the dates indicated: At September 30, 2017 Level 1 Level 2 Level 3 Total Loans held-for-sale – $ 4,026 – $ 4,026 Mortgage-related securities available-for-sale – 386,481 – 386,481 At December 31, 2016 Level 1 Level 2 Level 3 Total Loans held-for-sale – $ 5,952 – $ 5,952 Mortgage-related securities available-for-sale – 371,880 – 371,880

Mortgage-Related Securities A36

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Securities available-for-sale:
Amortized Cost	$ 387,411	$ 372,406
Gross Unrealized Gains	1,106	1,911
Gross Unrealized Losses	(2,036)	(2,437)
Estimated Fair Value	386,481	371,880
Securities held-to-maturity:
Amortized Cost	91,617	93,234
Gross Unrealized Gains	944	1,032
Gross Unrealized Losses	0	0
Estimated Fair Value	92,561	94,266
Federal Home Loan Mortgage Corporation [Member]
Securities available-for-sale:
Amortized Cost	185,816	187,958
Gross Unrealized Gains	510	929
Gross Unrealized Losses	(877)	(1,049)
Estimated Fair Value	185,449	187,838
Federal National Mortgage Association [Member]
Securities available-for-sale:
Amortized Cost	175,284	162,936
Gross Unrealized Gains	374	759
Gross Unrealized Losses	(928)	(1,085)
Estimated Fair Value	174,730	162,610
Securities held-to-maturity:
Amortized Cost	91,617	93,234
Gross Unrealized Gains	944	1,032
Gross Unrealized Losses	0	0
Estimated Fair Value	92,561	94,266
Government National Mortgage Association [Member]
Securities available-for-sale:
Amortized Cost	13,823	5,279
Gross Unrealized Gains	3	3
Gross Unrealized Losses	(143)	(80)
Estimated Fair Value	13,683	5,202
Private-label CMOs [Member]
Securities available-for-sale:
Amortized Cost	12,488	16,233
Gross Unrealized Gains	219	220
Gross Unrealized Losses	(88)	(223)
Estimated Fair Value	$ 12,619	$ 16,230

Mortgage-Related Securities A37

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity (Details 1) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017USD ($)	Dec. 31, 2016USD ($)
Securities available-for-sale:
Less Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 1,458	$ 902
Less Than 12 Months in an Unrealized Loss Position, Number of Securities	74	29
Less Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 221,302	$ 77,077
Greater Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 578	$ 1,535
Greater Than 12 Months in an Unrealized Loss Position, Number of Securities	18	45
Greater Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 27,334	$ 142,803
Gross Unrealized Loss Amount	2,036	2,437
Total Estimated Fair Value	248,636	219,880
Federal Home Loan Mortgage Corporation [Member]
Securities available-for-sale:
Less Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 825	$ 459
Less Than 12 Months in an Unrealized Loss Position, Number of Securities	36	14
Less Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 122,852	$ 35,938
Greater Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 52	$ 590
Greater Than 12 Months in an Unrealized Loss Position, Number of Securities	3	17
Greater Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 3,715	$ 75,151
Gross Unrealized Loss Amount	877	1,049
Total Estimated Fair Value	126,567	111,089
Federal National Mortgage Association [Member]
Securities available-for-sale:
Less Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 479	$ 345
Less Than 12 Months in an Unrealized Loss Position, Number of Securities	31	11
Less Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 84,129	$ 33,559
Greater Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 449	$ 740
Greater Than 12 Months in an Unrealized Loss Position, Number of Securities	7	17
Greater Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 17,866	$ 58,366
Gross Unrealized Loss Amount	928	1,085
Total Estimated Fair Value	101,995	91,925
Government National Mortgage Association [Member]
Securities available-for-sale:
Less Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 143	$ 80
Less Than 12 Months in an Unrealized Loss Position, Number of Securities	6	2
Less Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 13,665	$ 5,182
Greater Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 0	$ 0
Greater Than 12 Months in an Unrealized Loss Position, Number of Securities	0	0
Greater Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 0	$ 0
Gross Unrealized Loss Amount	143	80
Total Estimated Fair Value	13,665	5,182
Private Label CMOs [Member]
Securities available-for-sale:
Less Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 11	$ 18
Less Than 12 Months in an Unrealized Loss Position, Number of Securities	1	2
Less Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 656	$ 2,398
Greater Than 12 Months in an Unrealized Loss Position, Unrealized Loss Amount	$ 77	$ 205
Greater Than 12 Months in an Unrealized Loss Position, Number of Securities	8	11
Greater Than 12 Months in an Unrealized Loss Position, Estimated Fair Value	$ 5,753	$ 9,286
Gross Unrealized Loss Amount	88	223
Total Estimated Fair Value	$ 6,409	$ 11,684

Mortgage-Related Securities A38

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance of unrealized OTTI related to credit losses	$ 369	$ 522	$ 460	$ 592
Reductions for increase in cash flows expected to be received	(1)	(31)	(92)	(101)
Ending balance of unrealized OTTI related to credit losses	368	491	368	491
Adjusted cost at end of period	2,648	3,653	2,648	3,653
Estimated fair value at end of period	$ 2,836	$ 3,922	$ 2,836	$ 3,922

Mortgage-Related Securities A39

Mortgage-Related Securities Available-for-Sale and Held-to-Maturity (Details Textual) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Mortgage Related Securities Available For Sale And Held To Maturity [Line Items]
Total Estimated Fair Value	$ 248,636	$ 219,880
Available-for-sale Securities Pledged as Collateral	37,741	44,155
Private Label CMOs [Member]
Mortgage Related Securities Available For Sale And Held To Maturity [Line Items]
Total Estimated Fair Value	6,409	11,684
Private Label CMOs [Member] | Non Investment Grade [Member]
Mortgage Related Securities Available For Sale And Held To Maturity [Line Items]
Total Estimated Fair Value	8,911	11,625
Unrealized Gain (Loss) on Investments	$ 138	$ 37

Loans Receivable (Details)

Loans Receivable (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Commercial loans:
Commercial and industrial	$ 272,283	$ 241,689
Commercial real estate	359,168	375,459
Multi-family real estate	569,739	506,136
Total construction and development	256,874	374,795
Total commercial loans	1,458,064	1,498,079
Retail loans:
One- to four-family first mortgages, Permanent	460,907	457,014
One- to four-family first mortgages, Construction	54,686	42,961
Total one- to four-family first mortgages	515,593	499,975
Total home equity loans	159,907	175,587
Other consumer loans, Student	5,995	6,810
Other consumer loans, Other	10,724	11,373
Total other consumer loans	16,719	18,183
Total retail loans	692,219	693,745
Gross loans receivable	2,150,283	2,191,824
Undisbursed loan proceeds	(142,824)	(227,537)
Allowance for loan losses	(21,326)	(19,940)	$ (19,202)	$ (17,641)
Deferred fees and costs, net	(1,310)	(1,440)
Total loans receivable, net	1,984,823	1,942,907
Fixed term home equity [Member]
Retail loans:
Total home equity loans	96,009	105,544
Home equity lines of credit [Member]
Retail loans:
Total home equity loans	63,898	70,043
Multi-family real estate [Member]
Commercial loans:
Total construction and development	219,568	328,186
Retail loans:
Allowance for loan losses	(6,192)	(5,307)	(5,479)	(3,337)
Commercial Real Estate [Member]
Commercial loans:
Total construction and development	27,229	34,125
Retail loans:
Allowance for loan losses	(4,866)	(4,630)	$ (4,037)	$ (4,796)
Land and land development [Member]
Commercial loans:
Total construction and development	$ 10,077	$ 12,484

Loans Receivable (Details 1)

Loans Receivable (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Allowance for loan losses:
Beginning balance			$ 19,940	$ 17,641
Provision (recovery)	$ 472	$ 1,395	1,552	1,986
Charge-offs			(381)	(597)
Recoveries			215	172
Ending balance	21,326	19,202	21,326	19,202
Loss allowance individually evaluated for impairment	177	223	177	223	$ 158
Loss allowance collectively evaluated for impairment	21,149	18,979	21,149	18,979
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	28,187	23,014	28,187	23,014	22,466
Loans collectively evaluated for impairment	1,979,272	1,923,461	1,979,272	1,923,461
Total loans receivable	2,007,459	1,946,475	2,007,459	1,946,475	1,964,287
Commercial and Industrial [Member]
Allowance for loan losses:
Beginning balance			3,840	3,658
Provision (recovery)			1,198	166
Charge-offs			(31)	0
Recoveries			0	5
Ending balance	5,007	3,829	5,007	3,829
Loss allowance individually evaluated for impairment	0	167	0	167
Loss allowance collectively evaluated for impairment	5,007	3,662	5,007	3,662
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	8,367	5,658	8,367	5,658
Loans collectively evaluated for impairment	263,916	224,456	263,916	224,456
Total loans receivable	272,283	230,114	272,283	230,114	241,689
Commercial Real Estate [Member]
Allowance for loan losses:
Beginning balance			4,630	4,796
Provision (recovery)			223	(608)
Charge-offs			0	(179)
Recoveries			13	28
Ending balance	4,866	4,037	4,866	4,037
Loss allowance individually evaluated for impairment	130	0	130	0
Loss allowance collectively evaluated for impairment	4,736	4,037	4,736	4,037
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	11,094	6,250	11,094	6,250
Loans collectively evaluated for impairment	348,074	358,101	348,074	358,101
Total loans receivable	359,168	364,351	359,168	364,351	375,459
Multi-Family Real Estate [Member]
Allowance for loan losses:
Beginning balance			5,307	3,337
Provision (recovery)			853	2,112
Charge-offs			0	0
Recoveries			32	30
Ending balance	6,192	5,479	6,192	5,479
Loss allowance individually evaluated for impairment	0	0	0	0
Loss allowance collectively evaluated for impairment	6,192	5,479	6,192	5,479
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	3,808	3,957	3,808	3,957
Loans collectively evaluated for impairment	565,931	521,782	565,931	521,782
Total loans receivable	569,739	525,739	569,739	525,739	506,136
Construction and Development [Member]
Allowance for loan losses:
Beginning balance			2,680	2,835
Provision (recovery)			(768)	(48)
Charge-offs			0	0
Recoveries			0	0
Ending balance	1,912	2,787	1,912	2,787
Loss allowance individually evaluated for impairment	0	1	0	1
Loss allowance collectively evaluated for impairment	1,912	2,786	1,912	2,786
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	1,001	1,889	1,001	1,889
Loans collectively evaluated for impairment	149,319	146,802	149,319	146,802
Total loans receivable	150,320	148,691	150,320	148,691	174,010
One-to Four-Family [Member]
Allowance for loan losses:
Beginning balance			2,518	1,835
Provision (recovery)			7	291
Charge-offs			(55)	(84)
Recoveries			67	42
Ending balance	2,537	2,084	2,537	2,084
Loss allowance individually evaluated for impairment	2	11	2	11
Loss allowance collectively evaluated for impairment	2,535	2,073	2,535	2,073
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	3,687	4,616	3,687	4,616
Loans collectively evaluated for impairment	475,636	472,735	475,636	472,735
Total loans receivable	479,323	477,351	479,323	477,351	473,223
Home Equity and Other Consumer [Member]
Allowance for loan losses:
Beginning balance			965	1,180
Provision (recovery)			39	73
Charge-offs			(295)	(334)
Recoveries			103	67
Ending balance	812	986	812	986
Loss allowance individually evaluated for impairment	45	44	45	44
Loss allowance collectively evaluated for impairment	767	942	767	942
Loan receivable balances at the end of the period:
Loans individually evaluated for impairment	230	644	230	644
Loans collectively evaluated for impairment	176,396	199,585	176,396	199,585
Total loans receivable	$ 176,626	$ 200,229	$ 176,626	$ 200,229	$ 193,770

Loans Receivable (Details 2)

Loans Receivable (Details 2) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Impaired loans with an allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	$ 2,143	$ 2,839
Unpaid Principal Balance	2,157	2,841
Related Allowance for Loss	177	158
Average Loan Receivable Balance, Net	2,462	1,127
Interest Income Recognized	20	20
Impaired loans with an allowance recorded [Member] | Home Equity And Other Consumer, Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	151	152
Unpaid Principal Balance	151	148
Related Allowance for Loss	45	44
Average Loan Receivable Balance, Net	122	46
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Home Equity And Other Consumer, Student [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Home Equity And Other Consumer, Other [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Construction and Development, Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Construction and Development, Multi-family Real Estate[Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Construction and Development, Land and Land Development [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	119
Unpaid Principal Balance	0	119
Related Allowance for Loss	0	1
Average Loan Receivable Balance, Net	0	48
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Commercial Real Estate, Office [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Commercial Real Estate, Retail/wholesale/mixed use [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	715	0
Unpaid Principal Balance	729	0
Related Allowance for Loss	130	0
Average Loan Receivable Balance, Net	456	0
Interest Income Recognized	20	0
Impaired loans with an allowance recorded [Member] | Commercial Real Estate, Industrial/Warehouse [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Commercial Real Estate, Other [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Commercial and Industrial, Term Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	354
Unpaid Principal Balance	0	360
Related Allowance for Loss	0	96
Average Loan Receivable Balance, Net	0	144
Interest Income Recognized	0	20
Impaired loans with an allowance recorded [Member] | Commercial and Industrial, Lines Of Credit [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Commercial and Industrial [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	354
Unpaid Principal Balance	0	360
Related Allowance for Loss	0	96
Average Loan Receivable Balance, Net	0	144
Interest Income Recognized	0	20
Impaired loans with an allowance recorded [Member] | Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	715	0
Unpaid Principal Balance	729	0
Related Allowance for Loss	130	0
Average Loan Receivable Balance, Net	456	0
Interest Income Recognized	20	0
Impaired loans with an allowance recorded [Member] | Multi-family real estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Construction and Development [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	119
Unpaid Principal Balance	0	119
Related Allowance for Loss	0	1
Average Loan Receivable Balance, Net	0	48
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | One-to four-family [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	1,277	2,214
Unpaid Principal Balance	1,277	2,214
Related Allowance for Loss	2	17
Average Loan Receivable Balance, Net	1,884	889
Interest Income Recognized	0	0
Impaired loans with an allowance recorded [Member] | Home Equity and Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	151	152
Unpaid Principal Balance	151	148
Related Allowance for Loss	45	44
Average Loan Receivable Balance, Net	122	46
Interest Income Recognized	0	0
Impaired loans with no allowance recorded [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	8,452	7,905
Unpaid Principal Balance	10,466	9,718
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	8,394	8,709
Interest Income Recognized	348	370
Impaired loans with no allowance recorded [Member] | Home Equity And Other Consumer, Home Equity [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	869	798
Unpaid Principal Balance	924	835
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	869	805
Interest Income Recognized	4	9
Impaired loans with no allowance recorded [Member] | Home Equity And Other Consumer, Student [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with no allowance recorded [Member] | Home Equity And Other Consumer, Other [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	62	46
Unpaid Principal Balance	89	62
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	65	75
Interest Income Recognized	1	0
Impaired loans with no allowance recorded [Member] | Construction and Development, Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with no allowance recorded [Member] | Construction and Development, Multi-family Real Estate[Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	0	0
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	0	0
Interest Income Recognized	0	0
Impaired loans with no allowance recorded [Member] | Construction and Development, Land and Land Development [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	501	260
Unpaid Principal Balance	578	322
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	450	203
Interest Income Recognized	25	16
Impaired loans with no allowance recorded [Member] | Commercial Real Estate, Office [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	2,428	1,967
Unpaid Principal Balance	3,003	2,413
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	2,244	2,044
Interest Income Recognized	130	146
Impaired loans with no allowance recorded [Member] | Commercial Real Estate, Retail/wholesale/mixed use [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	812	691
Unpaid Principal Balance	1,536	1,381
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	884	1,348
Interest Income Recognized	72	96
Impaired loans with no allowance recorded [Member] | Commercial Real Estate, Industrial/Warehouse [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	174	181
Unpaid Principal Balance	265	265
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	200	188
Interest Income Recognized	7	14
Impaired loans with no allowance recorded [Member] | Commercial Real Estate, Other [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	0	0
Unpaid Principal Balance	147	151
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	37	4
Interest Income Recognized	9	14
Impaired loans with no allowance recorded [Member] | Commercial and Industrial, Term Loans [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	3	67
Unpaid Principal Balance	53	103
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	47	94
Interest Income Recognized	0	3
Impaired loans with no allowance recorded [Member] | Commercial and Industrial, Lines Of Credit [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	400	567
Unpaid Principal Balance	431	578
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	475	983
Interest Income Recognized	22	28
Impaired loans with no allowance recorded [Member] | Commercial and Industrial [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	403	634
Unpaid Principal Balance	484	681
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	522	1,077
Interest Income Recognized	22	31
Impaired loans with no allowance recorded [Member] | Commercial Real Estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	3,414	2,839
Unpaid Principal Balance	4,951	4,210
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	3,365	3,584
Interest Income Recognized	218	270
Impaired loans with no allowance recorded [Member] | Multi-family real estate [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	257	274
Unpaid Principal Balance	292	292
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	274	226
Interest Income Recognized	16	24
Impaired loans with no allowance recorded [Member] | Construction and Development [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	501	260
Unpaid Principal Balance	578	322
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	450	203
Interest Income Recognized	25	16
Impaired loans with no allowance recorded [Member] | One-to four-family [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	2,946	3,054
Unpaid Principal Balance	3,148	3,316
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	2,849	2,739
Interest Income Recognized	62	20
Impaired loans with no allowance recorded [Member] | Home Equity and Other Consumer [Member]
Financing Receivable, Impaired [Line Items]
Loans Receivable Balance, Net	931	844
Unpaid Principal Balance	1,013	897
Related Allowance for Loss	0	0
Average Loan Receivable Balance, Net	934	880
Interest Income Recognized	$ 5	$ 9

Loans Receivable (Details 3)

Loans Receivable (Details 3) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	$ 2,007,459	$ 1,964,287	$ 1,946,475
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,826,913	1,836,138
Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	107,272	51,287
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	45,087	54,396
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	28,187	22,466
One-to four-family [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	479,323	473,223	477,351
One-to four-family [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	474,362	467,237
One-to four-family [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	368	437
One-to four-family [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	906	881
One-to four-family [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	3,687	4,668
Multi-family real estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	569,739	506,136	525,739
Multi-family real estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	530,955	494,437
Multi-family real estate [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	27,316	0
Multi-family real estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	7,660	7,783
Multi-family real estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	3,808	3,916
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	359,168	375,459	364,351
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	294,479	310,635
Commercial Real Estate [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	34,200	23,430
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	19,395	34,202
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	11,094	7,192
Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	150,320	174,010	148,691
Construction and Development [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	130,251	171,274
Construction and Development [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	19,068	1,381
Construction and Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,001	1,355
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	272,283	241,689	230,114
Commercial and Industrial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	220,482	199,291
Commercial and Industrial [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	26,308	26,021
Commercial and Industrial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	17,126	11,530
Commercial and Industrial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	8,367	4,847
Home equity and other consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	176,626	193,770	$ 200,229
Home equity and other consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	176,384	193,264
Home equity and other consumer [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	12	18
Home equity and other consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Home equity and other consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	230	488
Commercial and Industrial, Term Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	79,199	63,896
Commercial and Industrial, Term Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	64,666
Commercial and Industrial, Term Loans [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	11,677
Commercial and Industrial, Term Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,382
Commercial and Industrial, Term Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,474
Commercial and Industrial, Lines Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	193,084	177,793
Commercial and Industrial, Lines Of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	155,816
Commercial and Industrial, Lines Of Credit [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	14,631
Commercial and Industrial, Lines Of Credit [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	15,744
Commercial and Industrial, Lines Of Credit [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	6,893
Commercial Real Estate, Office [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	125,934	141,423
Commercial Real Estate, Office [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	109,627	119,792
Commercial Real Estate, Office [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	12,954	4,549
Commercial Real Estate, Office [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	14,379
Commercial Real Estate, Office [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	3,353	2,703
Commercial Real Estate, Retail/wholesale/mixed use [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	155,887	171,622
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	136,086	141,223
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,874	11,639
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	15,167	14,847
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	2,760	3,913
Commercial Real Estate, Industrial/warehouse [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	71,675	55,715
Commercial Real Estate, Industrial/warehouse [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	43,094	42,921
Commercial Real Estate, Industrial/warehouse [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	19,372	7,242
Commercial Real Estate, Industrial/warehouse [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	4,228	4,976
Commercial Real Estate, Industrial/warehouse [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	4,981	576
Commercial Real Estate, Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	5,672	6,699
Commercial Real Estate, Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	5,672	6,699
Commercial Real Estate, Other [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Commercial Real Estate, Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Commercial Real Estate, Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Commercial Business, Term Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		63,896
Commercial Business, Term Loans [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		59,774
Commercial Business, Term Loans [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		3,215
Commercial Business, Term Loans [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		174
Commercial Business, Term Loans [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		733
Commercial Business, Lines Of Credit [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		177,793
Commercial Business, Lines Of Credit [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		139,517
Commercial Business, Lines Of Credit [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		22,806
Commercial Business, Lines Of Credit [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		11,356
Commercial Business, Lines Of Credit [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds		4,114
Construction and Development, Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	12,646	16,432
Construction and Development, Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	10,804	15,232
Construction and Development, Commercial Real Estate [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,842	1,200
Construction and Development, Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development, Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development, Multi-family Real Estate[Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	127,620	145,097
Construction and Development, Multi-family Real Estate[Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	110,448	145,097
Construction and Development, Multi-family Real Estate[Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	17,172	0
Construction and Development, Multi-family Real Estate[Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development, Multi-family Real Estate[Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development, Land and Land Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	10,054	12,481
Construction and Development, Land and Land Development [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	8,999	10,945
Construction and Development, Land and Land Development [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	54	181
Construction and Development, Land and Land Development [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Construction and Development, Land and Land Development [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	1,001	1,355
Consumer, Home Equity [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	159,907	175,587
Consumer, Home Equity [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	159,739	175,145
Consumer, Home Equity [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Home Equity [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Home Equity [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	168	442
Consumer, Student [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	5,995	6,810
Consumer, Student [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	5,995	6,810
Consumer, Student [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Student [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Student [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Other Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	10,724	11,373
Consumer, Other Consumer [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	10,650	11,309
Consumer, Other Consumer [Member] | Watch [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	12	18
Consumer, Other Consumer [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	0	0
Consumer, Other Consumer [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable, net of undisbursed loan proceeds	$ 62	$ 46

Loans Receivable (Details 4)

Loans Receivable (Details 4) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	$ 15,271	$ 16,218
Total Current	1,992,188	1,948,069
Total Loans	2,007,459	1,964,287	$ 1,946,475
Total Non-Accrual	7,812	7,929
Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	9,625	7,652
Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	3,036	2,805
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	2,610	5,761
One-to four-family [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	9,972	11,080
Total Current	469,351	462,143
Total Loans	479,323	473,223	477,351
Total Non-Accrual	2,291	3,191
One-to four-family [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	6,197	5,803
One-to four-family [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,629	2,195
One-to four-family [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	2,146	3,082
Multi-family real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	389	438
Total Current	569,350	505,698
Total Loans	569,739	506,136	525,739
Total Non-Accrual	257	274
Multi-family real estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	389	438
Multi-family real estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Multi-family real estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial real estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	715	2,935
Total Current	358,453	372,524
Total Loans	359,168	375,459	364,351
Total Non-Accrual	4,129	2,839
Commercial real estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	852
Commercial real estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	715	235
Commercial real estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	1,848
Construction and development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Total Current	150,320	174,010
Total Loans	150,320	174,010	148,691
Total Non-Accrual	501	148
Construction and development [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and development [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and development [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Home equity and other consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,783	1,717
Total Current	174,843	192,053
Total Loans	176,626	193,770	200,229
Total Non-Accrual	231	488
Home equity and other consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,003	559
Home equity and other consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	319	375
Home equity and other consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	461	783
Commercial and industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	2,412	48
Total Current	269,871	241,641
Total Loans	272,283	241,689	$ 230,114
Total Non-Accrual	403	989
Commercial and industrial [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	2,036	0
Commercial and industrial [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	373	0
Commercial and industrial [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	3	48
Commercial and Industrial, Term Loans [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	753	48
Total Current	78,446	63,848
Total Loans	79,199	63,896
Total Non-Accrual	3	422
Commercial and Industrial, Term Loans [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	750	0
Commercial and Industrial, Term Loans [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial and Industrial, Term Loans [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	3	48
Commercial and Industrial, Lines Of Credit [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,659	0
Total Current	191,425	177,793
Total Loans	193,084	177,793
Total Non-Accrual	400	567
Commercial and Industrial, Lines Of Credit [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,286	0
Commercial and Industrial, Lines Of Credit [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	373	0
Commercial and Industrial, Lines Of Credit [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Office [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	1,667
Total Current	125,934	139,756
Total Loans	125,934	141,423
Total Non-Accrual	2,428	1,967
Commercial Real Estate, Office [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Office [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Office [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	1,667
Commercial Real Estate, Retail/wholesale/mixed use [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	715	1,087
Total Current	155,172	170,535
Total Loans	155,887	171,622
Total Non-Accrual	1,527	691
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	852
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	715	235
Commercial Real Estate, Retail/wholesale/mixed use [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Industrial/warehouse [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	181
Total Current	71,675	55,534
Total Loans	71,675	55,715
Total Non-Accrual	174	181
Commercial Real Estate, Industrial/warehouse [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Industrial/warehouse [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Industrial/warehouse [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	181
Commercial Real Estate, Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Total Current	5,672	6,699
Total Loans	5,672	6,699
Total Non-Accrual	0	0
Commercial Real Estate, Other [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Other [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Commercial Real Estate, Other [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Commercial Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Total Current	12,646	16,432
Total Loans	12,646	16,432
Total Non-Accrual	0	0
Construction and Development, Commercial Real Estate [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Commercial Real Estate [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Commercial Real Estate [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Multi-family Real Estate[Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Total Current	127,620	145,097
Total Loans	127,620	145,097
Total Non-Accrual	0	0
Construction and Development, Multi-family Real Estate[Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Multi-family Real Estate[Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Multi-family Real Estate[Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Land and Land Development [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Total Current	10,054	12,481
Total Loans	10,054	12,481
Total Non-Accrual	501	148
Construction and Development, Land and Land Development [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Land and Land Development [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Construction and Development, Land and Land Development [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	0	0
Consumer, Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	1,179	1,009
Total Current	158,728	174,578
Total Loans	159,907	175,587
Total Non-Accrual	169	442
Consumer, Home Equity [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	834	330
Consumer, Home Equity [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	177	237
Consumer, Home Equity [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	168	442
Consumer, Student [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	457	561
Total Current	5,538	6,249
Total Loans	5,995	6,810
Total Non-Accrual	0	0
Consumer, Student [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	112	168
Consumer, Student [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	114	98
Consumer, Student [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	231	295
Consumer, Other Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	147	147
Total Current	10,577	11,226
Total Loans	10,724	11,373
Total Non-Accrual	62	46
Consumer, Other Consumer [Member] | Financing Receivables, 30 to 59 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	57	61
Consumer, Other Consumer [Member] | Financing Receivables, 60 to 89 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	28	40
Consumer, Other Consumer [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Past Due Status	$ 62	$ 46

Loans Receivable (Details Textu

Loans Receivable (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans Pledged as Collateral	$ 544,000		$ 544,000		$ 586,000
Unpaid Principal Balance Of Loan Service For Others	957,819		957,819		996,985
Change In Loan Loss Allowance For Impairment	399	$ 1,213	1,367	$ 1,873
Financing Receivable, Modifications, Recorded Investment	6,042		6,042		5,772
Financing Receivable Modifications Recorded Investment Accruing Status	2,783		2,783		2,815
Financing Receivable, Recorded Investment, Past Due, Total	15,271		15,271		16,218
Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Recorded Investment, Past Due, Total	2,610		2,610		5,761
Consumer, Student [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Recorded Investment, Past Due, Total	457		457		561
Consumer, Student [Member] | Financing Receivables, Equal to Greater than 90 Days Past Due [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Recorded Investment, Past Due, Total	$ 231		$ 231		$ 295

Mortgage Servicing Rights (Deta

Mortgage Servicing Rights (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Finite-Lived Intangible Assets [Line Items]
MSRs at beginning of the period, net	$ 6,569
Mortgage servicing rights, net, at end of year	6,278
Mortgage Servicing Rights [Member]
Finite-Lived Intangible Assets [Line Items]
MSRs at beginning of the period, net	6,569	$ 7,205
Additions	809	1,042
Amortization	(1,100)	(1,636)
Mortgage servicing rights, net, at end of year	$ 6,278	$ 6,611

Mortgage Servicing Rights (De47

Mortgage Servicing Rights (Details 1) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Estimate for three months ending December 31: 2017	$ 244
2,018	889
2,019	783
2,020	677
2,021	582
2,022	518
Thereafter	2,585
Total	$ 6,278	$ 6,569

Other Assets (Details)

Other Assets (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Accrued interest:
Total accrued interest	$ 6,411	$ 6,372
Foreclosed properties and repossessed assets:
Total foreclosed properties and repossessed assets	845	2,944
Bank-owned life insurance	64,826	63,494
Premises and equipment, net	40,697	47,343
Federal Home Loan Bank stock, at cost	18,361	20,261
Deferred tax asset, net	14,281	14,543
Other assets	19,496	22,938
Total other assets	164,917	177,895
Loans receivable [Member]
Accrued interest:
Total accrued interest	5,344	5,357
Mortgage-related securities [Member]
Accrued interest:
Total accrued interest	1,067	1,015
Commercial real estate [Member]
Foreclosed properties and repossessed assets:
Total foreclosed properties and repossessed assets	186	1,559
Land and land development [Member]
Foreclosed properties and repossessed assets:
Total foreclosed properties and repossessed assets	0	598
One-to four-family [Member]
Foreclosed properties and repossessed assets:
Total foreclosed properties and repossessed assets	$ 659	$ 787

Other Assets (Details Textual)

Other Assets (Details Textual) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
One-to four-family [Member]
Schedule Of Other Assets [Line Items]
Mortgage Loans, Foreclosure in Process	$ 803	$ 2,424

Deposit Liabilities (Details)

Deposit Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Checking accounts:
Non-interest-bearing	$ 305,565	$ 309,137
Interest-bearing	240,650	238,142
Total checking accounts	546,215	547,279
Money market accounts	529,871	558,905
Savings accounts	238,409	234,038
Certificates of deposit:
Due within one year	447,694	325,408
After one but within two years	137,203	162,138
After two but within three years	21,392	31,938
After three but within four years	2,303	2,246
After four but within five years	1,465	2,778
Total certificates of deposits	610,057	524,508
Total deposit liabilities	$ 1,924,552	$ 1,864,730

Borrowings (Details)

Borrowings (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Federal Home Loan Bank Advances Branch Of FHLB Bank [Line Items]
FHLB short-term advances	$ 320,000	$ 285,000
FHLB term advances maturing in:
2,017	0	63,397
2,018	22,547	22,547
2,019	15,308	16,838
2,020	23,547	24,338
2,021	14,520	14,674
2,022	5,838	5,967
Thereafter	6,262	6,389
Total borrowings	$ 408,022	$ 439,150
FHLB short-term advances	1.16%	0.70%
Weighted-Average Rate, FHLB term advances maturing in:
2,017	0.00%	0.89%
2,018	1.60%	1.60%
2,019	2.88%	3.09%
2,020	3.67%	3.72%
2,021	3.01%	3.03%
2,022	5.11%	5.11%
Thereafter	4.04%	4.04%
Total borrowings	1.56%	1.22%

Borrowings (Details Textual)

Borrowings (Details Textual)	9 Months Ended
	Sep. 30, 2017
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch Of Fhlb Terms Of Advances Upon, Total Assets	35% of total assets
Federal Home Loan Bank Advances Branch Of Fhlb Terms Of Advances Upon, Mortgage Related Securities	98% of the fair value of certain mortgage-related securities
Commercial Real Estate Portfolio Segment [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch of Fhlb Terms of Advances Upon, Book Value of Mortgage Loans	56% of certain commercial real estate loans
Chicago [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch Of Fhlb Terms Of Advances Upon, Capital Stock	22.2 times the FHLB of Chicago capital stock owned by the Company
One-to four-family [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch of Fhlb Terms of Advances Upon, Book Value of Mortgage Loans	the total of 73% of the book value of one- to four-family mortgage loans
Multi-family [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch of Fhlb Terms of Advances Upon, Book Value of Mortgage Loans	73% of the book value of certain multi-family mortgage loans
Home Equity Loan [Member]
Federal Home Loan Bank, Advances [Line Items]
Federal Home Loan Bank Advances Branch of Fhlb Terms of Advances Upon, Book Value of Mortgage Loans	51% of the book value of certain home equity loans

Regulatory Capital Requiremen53

Regulatory Capital Requirements (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Bank Mutual Corporation [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual Amount, Total risk-weighted capital	$ 320,491	$ 312,503
Actual Amount, Tier 1 risk-weighted capital	299,165	292,563
Actual Amount, CET1 risk-weighted capital	299,165	292,563
Actual Amount, Tier 1 leverage capital	$ 299,165	$ 292,563
Actual Ratio, Total capital	16.02%	15.50%
Actual Ratio, Tier 1 risk-weighted capital	14.95%	14.51%
Actual Ratio, CET1 risk-weighted capital	14.95%	14.51%
Actual Ratio, Tier 1 leverage capital	11.08%	11.11%
Required to be Adequately Capitalized Amount, Total capital	$ 160,074	$ 161,329
Required to be Adequately Capitalized Amount, Tier 1 risk-weighted capital	120,056	120,997
Required to be Adequately Capitalized Amount, CET1 risk-weighted capital	90,042	90,747
Required to be Adequately Capitalized Amount, Tier 1 leverage capital	$ 108,001	$ 105,333
Required to be Adequately Capitalized Ratio, Total capital	8.00%	8.00%
Required to be Adequately Capitalized Ratio, Tier 1 risk-weighted capital	6.00%	6.00%
Required to be Adequately Capitalized Ratio, CET1 risk-weighted capital	4.50%	4.50%
Required to be Adequately Capitalized Ratio, Tier 1 leverage capital	4.00%	4.00%
Required to be Well Capitalized Amount, Total capital	$ 200,093	$ 201,661
Required to be Well Capitalized Amount, Tier 1 risk-weighted capital	160,074	161,329
Required to be Well Capitalized Amount, CET1 risk-weighted capital	130,060	131,080
Required to be Well Capitalized Amount, Tier 1 leverage capital	$ 135,002	$ 131,666
Required to be Well Capitalized Ratio, Total capital	10.00%	10.00%
Required to be Well Capitalized Ratio, Tier 1 risk-weighted capital	8.00%	8.00%
Required to be Well Capitalized Ratio, CET1 risk-weighted capital	6.50%	6.50%
Required to be Well Capitalized Ratio, Tier 1 leverage capital	5.00%	5.00%
Bank Mutual [Member]
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Actual Amount, Total risk-weighted capital	$ 296,003	$ 285,016
Actual Amount, Tier 1 risk-weighted capital	274,677	265,076
Actual Amount, CET1 risk-weighted capital	274,677	265,076
Actual Amount, Tier 1 leverage capital	$ 274,677	$ 265,076
Actual Ratio, Total capital	14.80%	14.14%
Actual Ratio, Tier 1 risk-weighted capital	13.73%	13.15%
Actual Ratio, CET1 risk-weighted capital	13.73%	13.15%
Actual Ratio, Tier 1 leverage capital	10.18%	10.09%
Required to be Adequately Capitalized Amount, Total capital	$ 160,021	$ 161,247
Required to be Adequately Capitalized Amount, Tier 1 risk-weighted capital	120,016	120,936
Required to be Adequately Capitalized Amount, CET1 risk-weighted capital	90,012	90,702
Required to be Adequately Capitalized Amount, Tier 1 leverage capital	$ 107,937	$ 105,108
Required to be Adequately Capitalized Ratio, Total capital	8.00%	8.00%
Required to be Adequately Capitalized Ratio, Tier 1 risk-weighted capital	6.00%	6.00%
Required to be Adequately Capitalized Ratio, CET1 risk-weighted capital	4.50%	4.50%
Required to be Adequately Capitalized Ratio, Tier 1 leverage capital	4.00%	4.00%
Required to be Well Capitalized Amount, Total capital	$ 200,026	$ 201,559
Required to be Well Capitalized Amount, Tier 1 risk-weighted capital	160,021	161,247
Required to be Well Capitalized Amount, CET1 risk-weighted capital	130,017	131,014
Required to be Well Capitalized Amount, Tier 1 leverage capital	$ 134,921	$ 131,385
Required to be Well Capitalized Ratio, Total capital	10.00%	10.00%
Required to be Well Capitalized Ratio, Tier 1 risk-weighted capital	8.00%	8.00%
Required to be Well Capitalized Ratio, CET1 risk-weighted capital	6.50%	6.50%
Required to be Well Capitalized Ratio, Tier 1 leverage capital	5.00%	5.00%

Earnings Per Share (Details)

Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Schedule Of Earnings Per Share Basic And Diluted [Line Items]
Net income (in dollars)	$ 3,842	$ 4,454	$ 11,674	$ 12,876
Weighted-average shares outstanding	45,401,416	45,116,082	45,392,526	45,077,767
Vested restricted stock for period	160,649	123,485	145,601	111,223
Basic shares outstanding	45,562,065	45,239,567	45,538,127	45,188,990
Net dilutive effect of:
Stock option shares	447,208	379,310	454,435	392,738
Non-vested restricted stock	55,777	45,972	61,064	49,190
Diluted shares outstanding	46,065,050	45,664,849	46,053,626	45,630,918
Basic earnings per share	$ 0.08	$ 0.1	$ 0.25	$ 0.28
Diluted earnings per share	$ 0.08	$ 0.1	$ 0.25	$ 0.28

Earnings Per Share (Details Tex

Earnings Per Share (Details Textual) - $ / shares	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares)	82,000	359,834
Antidilutive Securities Excluded From Computation Of Earnings Per Share Weighted Average Exercise Price	$ 11.69	$ 8.18

Employee Benefit Plans (Details

Employee Benefit Plans (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Qualified Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	647	669	1,941	2,007
Expected return on plan assets	(801)	(861)	(2,403)	(2,583)
Amortization of net loss from earlier periods	70	57	210	171
Net periodic benefit cost	(84)	(135)	(252)	(405)
Supplemental Pension Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Interest cost	85	93	255	279
Amortization of net loss from earlier periods	20	26	60	78
Net periodic benefit cost	$ 105	$ 119	$ 315	$ 357

Employee Benefit Plans (Detai57

Employee Benefit Plans (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 280	$ 205	$ 881	$ 630
Pension Contributions [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Contributions by Employer	$ 1,750,000

Stock-Based Benefit Plans (Deta

Stock-Based Benefit Plans (Details) - $ / shares	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock Options, Outstanding at beginning of period	1,303,434	1,421,500
Stock Options, Granted	0	56,300
Stock Options, Exercised	(135,534)	(138,834)
Stock Options, Forfeited	(4,967)	(13,132)
Stock Options, Outstanding at end of period	1,162,933	1,325,834
Weighted Average Exercise Price, Outstanding at beginning of period (in dollars per share)	$ 5.5923	$ 5.4378
Weighted verage Exercise Price, Granted (in dollars per share)	0	7.29
Weighted Average Exercise Price, Exercised (in dollars per share)	4.0201	4.884
Weighted verage Exercise Price, Forfeited (in dollars per share)	7.29	5.0412
Weighted Average Exercise Price, Outstanding at End of period (in dollars per share)	$ 5.7683	$ 5.5783

Stock-Based Benefit Plans (De59

Stock-Based Benefit Plans (Details 1) $ / shares in Units, $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)$ / sharesshares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Non-Vested Stock Options (in shares)	178,867
Non-Vested Stock Options, Intrinsic Value | $	$ 660
Vested Stock Options (in shares)	984,066
Vested Stock Options, Intrinsic Value | $	$ 4,561
Stock Options One [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 11.160
Remaining Contractual Life (in years)	7 months 6 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	32,000
Vested Stock Options, Intrinsic Value | $	$ 0
Stock Options Two [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 12.025
Remaining Contractual Life (in years)	10 months 24 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	50,000
Vested Stock Options, Intrinsic Value | $	$ 0
Stock Options Three [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 7.226
Remaining Contractual Life (in years)	2 years 7 months 6 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	50,000
Vested Stock Options, Intrinsic Value | $	$ 147
Stock Options Four [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 4.740
Remaining Contractual Life (in years)	3 years 2 months 12 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	70,000
Vested Stock Options, Intrinsic Value | $	$ 379
Stock Options Five [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 5.050
Remaining Contractual Life (in years)	3 years 3 months 18 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	149,000
Vested Stock Options, Intrinsic Value | $	$ 760
Stock Options Six [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 3.720
Remaining Contractual Life (in years)	3 years 9 months 18 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	2,500
Vested Stock Options, Intrinsic Value | $	$ 16
Stock Options Seven [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 3.390
Remaining Contractual Life (in years)	4 years 3 months 18 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	220,500
Vested Stock Options, Intrinsic Value | $	$ 1,491
Stock Options Eight [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 3.800
Remaining Contractual Life (in years)	4 years 6 months
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	10,000
Vested Stock Options, Intrinsic Value | $	$ 64
Stock Options Nine [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 4.820
Remaining Contractual Life (in years)	5 years 3 months 18 days
Non-Vested Stock Options (in shares)	46,600
Non-Vested Stock Options, Intrinsic Value | $	$ 248
Vested Stock Options (in shares)	173,600
Vested Stock Options, Intrinsic Value | $	$ 925
Stock Options Ten [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 5.360
Remaining Contractual Life (in years)	5 years 7 months 6 days
Non-Vested Stock Options (in shares)	4,000
Non-Vested Stock Options, Intrinsic Value | $	$ 19
Vested Stock Options (in shares)	8,000
Vested Stock Options, Intrinsic Value | $	$ 38
Stock Options Eleven [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 5.700
Remaining Contractual Life (in years)	5 years 8 months 12 days
Non-Vested Stock Options (in shares)	4,000
Non-Vested Stock Options, Intrinsic Value | $	$ 18
Vested Stock Options (in shares)	16,000
Vested Stock Options, Intrinsic Value | $	$ 71
Stock Option Twelve [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 6.340
Remaining Contractual Life (in years)	5 years 9 months 18 days
Non-Vested Stock Options (in shares)	2,000
Non-Vested Stock Options, Intrinsic Value | $	$ 8
Vested Stock Options (in shares)	8,000
Vested Stock Options, Intrinsic Value | $	$ 30
Stock Option Thirteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 7.170
Remaining Contractual Life (in years)	6 years 3 months 18 days
Non-Vested Stock Options (in shares)	73,200
Non-Vested Stock Options, Intrinsic Value | $	$ 218
Vested Stock Options (in shares)	107,700
Vested Stock Options, Intrinsic Value | $	$ 321
Stock Option fourteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 6.010
Remaining Contractual Life (in years)	6 years 7 months 6 days
Non-Vested Stock Options (in shares)	3,000
Non-Vested Stock Options, Intrinsic Value | $	$ 12
Vested Stock Options (in shares)	4,500
Vested Stock Options, Intrinsic Value | $	$ 19
Stock Option Fifteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 5.850
Remaining Contractual Life (in years)	6 years 7 months 6 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	20,000
Vested Stock Options, Intrinsic Value | $	$ 86
Stock Option Sixteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 6.100
Remaining Contractual Life (in years)	6 years 10 months 24 days
Non-Vested Stock Options (in shares)	0
Non-Vested Stock Options, Intrinsic Value | $	$ 0
Vested Stock Options (in shares)	20,000
Vested Stock Options, Intrinsic Value | $	$ 81
Stock Option Seventeen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 6.700
Remaining Contractual Life (in years)	7 years 3 months 18 days
Non-Vested Stock Options (in shares)	9,995
Non-Vested Stock Options, Intrinsic Value | $	$ 34
Vested Stock Options (in shares)	20,005
Vested Stock Options, Intrinsic Value | $	$ 69
Stock Option Eighteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 7.190
Remaining Contractual Life (in years)	7 years 9 months 18 days
Non-Vested Stock Options (in shares)	2,333
Non-Vested Stock Options, Intrinsic Value | $	$ 7
Vested Stock Options (in shares)	4,667
Vested Stock Options, Intrinsic Value | $	$ 14
Stock Option Nineteen [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise Price: | $ / shares	$ 7.290
Remaining Contractual Life (in years)	8 years 3 months 18 days
Non-Vested Stock Options (in shares)	33,739
Non-Vested Stock Options, Intrinsic Value | $	$ 96
Vested Stock Options (in shares)	17,594
Vested Stock Options, Intrinsic Value | $	$ 50
Non Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining Contractual Life (in years)	6 years 6 months
Non-Vested Stock Options (in shares)	6.4523
Vested Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Remaining Contractual Life (in years)	4 years 4 months 24 days
Vested Stock Options (in shares)	5.6440

Stock-Based Benefit Plans (De60

Stock-Based Benefit Plans (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value				$ 2.28
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			206,961
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate				1.80%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate				2.74%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate				31.00%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (in years)				7 years 6 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value	$ 1.99		$ 1.99
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value			$ 762	$ 367
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period				56,300
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercises In Period			135,534	138,834
Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Forfeitures In Period			4,967	13,132
Employee Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (in years)			7 months 6 days
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options	$ 222		$ 222
Stock or Unit Option Plan Expense	$ 67	$ 89	$ 211	$ 270
Employee Stock Option [Member] | Plan 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized	3,000,000		3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant	2,372,560		2,372,560
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Restricted Stock or Unit Expense	$ 342	$ 265	$ 1,033	$ 744
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount			$ 3,321
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition (in years)			11 months 19 days
Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Total Fair Value Grants In Period			$ 1,586

Financial Instruments with Of61

Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Unused commercial lines of credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 184,439	$ 177,672
Commercial loans [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	2,412	3,709
Standby letters of credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	7,446	7,821
Real estate loan commitments: Fixed rate [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	22,715	34,074
Real estate loan commitments: Adjustable rate [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	228,188	303,546
Unused Consumer Lines Of Credit [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability	$ 163,438	$ 160,898

Financial Instruments with Of62

Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments (Details 1) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Derivative [Line Items]
Derivative Assets and Liabilities, Fair Value	$ 27	$ 225
Interest rate lock commitments [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	7,150	6,806
Derivative Assets and Liabilities, Fair Value	132	145
Forward commitments to sell loans [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	10,066	11,861
Derivative Assets and Liabilities, Fair Value	(105)	52
Embedded free-standing derivatives on commercial loans [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	8,597	8,765
Derivative Assets and Liabilities, Fair Value	184	258
Receive-fixed interest rate swaps [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	323,789	299,595
Derivative Assets and Liabilities, Fair Value	(605)	(3,122)
Pay-fixed interest rate swaps [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	332,386	308,360
Derivative Assets and Liabilities, Fair Value	421	2,864
Pay-fixed cash flow hedge interest rate swaps [Member]
Derivative [Line Items]
Derivative Assets and Liabilities, Notional Amount	0	20,000
Derivative Assets and Liabilities, Fair Value	$ 0	$ 28

Financial Instruments with Of63

Financial Instruments with Off-Balance Sheet Risk and Derivative Financial Instruments (Details Textual) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Unrealized Gain Loss On Sales Of Loans Net	$ (31)	$ 36	$ 119	$ 172
Unrealized Gain (Loss) On Derivatives	(37)	86	(170)	119
Interest Rate Swaps And Embedded Derivatives [Member]
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Unrealized Loss on Sales of Loans, Net	235	206	2,443	247
Unrealized Gain Loss On Sales Of Loans Net	$ 235	$ 206	$ 2,443	$ 247

Fair Value Measurements (Detail

Fair Value Measurements (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017USD ($)$ / Loan
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Remaining maturity in months	210 months
Servicing fee	0.00%
Annual servicing cost per loan (not in thousands)	0
Annual ancillary income per loan (not in thousands)	0
Weighted-Average [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loan size | $	$ 139
Contractual interest rate	3.64%
Constant prepayment rate (“CPR”)	8.08%
Servicing fee	0.25%
Annual servicing cost per loan (not in thousands)	60
Annual ancillary income per loan (not in thousands)	30
Discount rate	9.54%
Minimum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loan size | $	$ 14
Contractual interest rate	2.50%
Constant prepayment rate (“CPR”)	1.44%
Remaining maturity in months	1 month
Discount rate	9.50%
Maximum [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loan size | $	$ 424
Contractual interest rate	7.10%
Constant prepayment rate (“CPR”)	22.38%
Remaining maturity in months	480 months
Discount rate	11.25%

Fair Value Measurements (Deta65

Fair Value Measurements (Details 1) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016	Dec. 31, 2015
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents, Carrying Value	$ 55,532	$ 50,087	$ 45,808	$ 44,501
Mortgage related securities available-for-sale, Carrying Value	386,481	371,880
Mortgage related securities held-to-maturity, Carrying Value	91,617	93,234
Loans held-for-sale, Carrying Value	4,026	5,952
Loans receivable, net, Carrying Value	1,984,823	1,942,907
Mortgage servicing rights, net, Carrying Value	6,278	6,569
Federal Home Loan Bank stock, Carrying Value	18,361	20,261
Accrued interest receivable, Carrying Value	6,411	6,372
Deposit liabilities, Carrying Value	1,924,552	1,864,730
Borrowings, Carrying Value	408,022	439,150
Advance payments by borrowers, Carrying Value	30,458	4,770
Accrued interest payable, Carrying Value	894	1,124
Cash and cash equivalents, Fair Value	55,532	50,087
Mortgage related securities available-for-sale, Fair Value	386,481	371,880
Mortgage related securities held-to-maturity, Fair Value	92,561	94,266
Loans held-for-sale, Fair Value	4,026	5,952
Loans receivable, net, Fair Value	2,000,290	1,949,534
Mortgage servicing rights, net, Fair Value	9,073	9,329
Federal Home Loan Bank stock, Fair Value	18,361	20,261
Accrued interest receivable, Fair Value	6,411	6,372
Deposit liabilities, Fair Value	1,862,077	1,823,592
Borrowings, Fair Value	411,708	443,732
Advance payments by borrowers, Fair Value	30,458	4,770
Accrued interest payable, Fair Value	894	1,124
Interest rate lock commitments on loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	132	145
Derivative Assets (Liabilities), at Fair Value, Net	132	145
Forward commitments to sell loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	(105)	52
Derivative Assets (Liabilities), at Fair Value, Net	(105)	52
Embedded derivatives on commercial loans [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	184	258
Derivative Assets (Liabilities), at Fair Value, Net	184	258
Receive-fixed free-standing interest rate swaps
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	(605)	(3,122)
Derivative Assets (Liabilities), at Fair Value, Net	(605)	(3,122)
Pay-fixed free-standing interest rate swaps [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	421	2,864
Derivative Assets (Liabilities), at Fair Value, Net	421	2,864
Pay-fixed cash flow hedge interest rate swaps [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Derivative Assets (Liabilities), Carrying Value	0	28
Derivative Assets (Liabilities), at Fair Value, Net	$ 0	$ 28

Fair Value Measurements (Deta66

Fair Value Measurements (Details 2) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	$ 4,026	$ 5,952
Mortgage-related securities available-for-sale	386,481	371,880
Fair Value, Inputs, Level 1 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	0	0
Mortgage-related securities available-for-sale	0	0
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	4,026	5,952
Mortgage-related securities available-for-sale	386,481	371,880
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans held-for-sale	0	0
Mortgage-related securities available-for-sale	$ 0	$ 0

Fair Value Measurements (Deta67

Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Financing Receivable, Allowance for Credit Losses, Recovery		$ (222)
Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment	$ 177	223	$ 158
Financing Receivable Individually Evaluated For Impairment	28,187	23,014	22,466
Gain Loss From Sale Of Foreclosed Properties	$ (21)	$ (137)	(197)
Percentage Of Selling Cost Fair Value Disclosure	10.00%
Provision for Loan Losses Expensed	$ (19)		(158)
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreclosed Properties Valued Under Collateral Value Method	$ 239		$ 1,882
Maximum [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage Securities Held As Collateral Fair Value Disclosure	11.00%
Minimum [Member] | Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Percentage Securities Held As Collateral Fair Value Disclosure	5.00%

Pending Merger (Details Textual

Pending Merger (Details Textual)	1 Months Ended
	Jul. 20, 2017
Associated Banc-Corp [Member]
Conversion of Stock, Description	Upon the completion of the merger each share of common stock of the Company will be converted into 0.422 shares of common stock of Associated in accordance with the terms of the merger agreement.