Consolidated Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Operating Activities
Net income	$ 36,852	$ 34,152
Items not requiring (providing) cash:
Provision for loan losses	1,821	704
Depreciation	3,137	2,688
Amortization of mortgage servicing rights, net of impairment charges/recoveries	1,714	918
Amortization of core deposit and other intangible assets	839	998
Net accretion of premiums and discounts on loans and deposits	(599)	(238)
Amortization of premiums and discounts on securities	1,073	905
Change in deferred taxes	(637)	224
Proceeds from the sale of loans held for sale	201,571	161,185
Originations of loans held for sale	(213,649)	(160,655)
Gain from sale of loans	(5,887)	(4,044)
Gain from sale or call of securities	(11)	(76)
Loss on sale or write down of property plant and equipment	10	13
Gain/loss on sale / write-down of real estate and other assets held for sale	178	529
Stock option expense	272	294
Restricted stock/expense	184	297
Income from bank owned life insurance including income from death benefits in excess of cash surrender value	(1,702)	(1,365)
Excess tax benefit on stock compensation plans	(108)	(162)
Changes in:
Accrued interest receivable	(1,745)	(2,552)
Other assets	(5,783)	(2,985)
Other liabilities	1,705	2,188
Net cash provided by operating activities	19,235	33,018
Investing Activities
Proceeds from maturities of held-to-maturity securities	42	45
Proceeds from maturities, calls and pay-downs of available-for-sale securities	29,913	19,916
Proceeds from the sale of available-for-sale securities	783	1,944
Proceeds from sale of premises and equipment, real estate and other assets held for sale	1,173	482
Proceeds from sale of non-mortgage loans	15,944	28,277
Purchases of available-for-sale securities	(18,652)	(51,535)
Proceeds from Federal Home Loan stock redemption	2,302	1,775
Net cash paid for acquisition	(1,600)
Proceeds from sale of bank owned life insurance		17,689
Purchases of premises and equipment, net	(2,388)	(2,911)
Investment in bank owned life insurance	(6,600)
Proceeds from bank owned life insurance death benefit	874	336
Net increase in loans receivable	(140,439)	(136,083)
Net cash used by investing activities	(118,648)	(120,065)
Financing Activities
Net increase in deposits and advance payments by borrowers	141,585	88,184
Repayment of Federal Home Loan Bank advances	(35,094)	(34,059)
Proceeds from Federal Home Loan Bank advances	35,000	50,000
Decrease in securities sold under repurchase agreements	(2,890)	(21,857)
Net cash paid for repurchase of common stock	(15,147)
Proceeds from exercise of stock options	191	111
Proceeds from direct stock sales	83	75
Cash dividends paid on common stock	(11,283)	(9,574)
Net cash provided by financing activities	112,445	72,880
Increase in cash and cash equivalents	13,032	(14,167)
Cash and cash equivalents at beginning of period	98,962	113,693
Cash and cash equivalents at end of period	111,994	99,526
Supplemental cash flow information:
Interest paid	18,459	11,335
Income taxes paid	7,350	6,950
Initial recognition of right-of-use asset	8,808
Initial recognition of lease liability	9,339
Transfers from loans to real estate and other assets held for sale	$ 146	1,141
Securities purchased but not yet settled		$ 577