Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Operating Activities
Net income	$ 21,478	$ 19,860
Items not requiring (providing) cash
Provision for loan losses	432	93
Depreciation	2,514	2,439
Amortization of mortgage servicing rights, net of impairment recoveries	1,399	1,073
Amortization of core deposit and other intangible assets	419	536
Net amortization of premiums and discounts on loans and deposits	254	333
Amortization of premiums and discounts on securities	627	551
Loss on write-downs of property, plant and equipment	0	428
Change in deferred taxes	174	(90)
Proceeds from the sale of loans held for sale	197,167	167,687
Originations of loans held for sale	(198,839)	(167,380)
Gain from sale of loans	(4,707)	(4,504)
Gain from sale or call of securities	(509)	0
(Gain)/Loss on sale or write-down of real estate and other assets held for sale	(269)	281
Stock option expense	226	103
Restricted stock expense	389	334
Income from bank owned life insurance	(686)	(658)
Excess tax benefits from share-based compensation	(184)	0
Changes in:
Accrued interest receivable	(1,281)	(1,105)
Other assets	(3,475)	170
Other liabilities	1,174	194
Net cash provided by operating activities	16,303	20,345
Investing Activities
Proceeds from maturities of held-to-maturity securities	52	62
Proceeds from maturities, calls and pay-downs of available-for-sale securities	25,765	22,215
Proceeds from sale of real estate and other assets held for sale	1,368	2,103
Proceeds from the sale of available-for-sale securities	14,871	0
Proceeds from sale of non-mortgage loans	13,967	16,178
Purchases of available-for-sale securities	(35,538)	(20,684)
Proceeds from Federal Home Loan Bank stock redemption	1	0
Purchase of bank-owned life insurance	0	(4,000)
Net cash paid in Insurance acquisition	0	(297)
Purchases of premises and equipment, net	(1,289)	(1,631)
Net increase in loans receivable	(137,511)	(103,009)
Net cash used in investing activities	(118,314)	(89,063)
Financing Activities
Net increase in deposits and advance payments by borrowers	90,949	31,795
Repayment of Federal Home Loan Bank advances	(718)	(7,743)
Increase in Federal Home Loan Bank advances	55,000	27,000
Decrease in securities sold under repurchase agreements	(6,695)	(921)
Repayment of warrants	0	(11,979)
Proceeds from exercise of stock options	667	1,559
Proceeds from direct stock sales	43	52
Cash dividends paid on common stock	(5,914)	(5,325)
Net cash paid for repurchase of common stock	(6,293)	(5,348)
Net cash provided by financing activities	127,039	29,090
Increase (decrease) in cash and cash equivalents	25,028	(39,628)
Cash and cash equivalents at beginning of period	79,769	112,936
Cash and cash equivalents at end of period	104,797	73,308
Supplemental cash flow information:
Interest paid	6,151	4,939
Income taxes paid	9,900	7,300
Transfers from loans to real estate and other assets held for sale	526	872
Transfers from property and equipment to real estate and other assets held for sale	0	267
Securities purchased but not yet settled	$ 935	$ 0