CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Cash flows from operating activities:
Net income	$ 46,481	$ 43,465	$ 40,824
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	5,650	1,050	1,850
Depreciation of premises and equipment	3,651	3,381	3,133
Net amortization of premium and discount	2,779	1,568	999
Amortization of intangibles	1,284	904	644
Share–based compensation	2,190	2,074	1,880
Deferred income tax expense	868	1,820	1,847
Income from bank-owned life insurance	(2,659)	(1,982)	(1,846)
Net gain on sale of business line	0	0	(6,265)
Net gains on loan sales and commissions on loans originated for others	(13,137)	(9,826)	(6,802)
Net gain on sale of portfolio loans	(135)	0	0
Equity in (earnings) losses of unconsolidated subsidiaries	354	293	276
Proceeds from sales of loans	551,788	477,616	257,244
Loans originated for sale	(532,950)	(462,663)	(285,938)
Change in fair value of contingent consideration	(898)	41	0
Decrease (increase) in other assets	630	(4,458)	(8,250)
(Decrease) increase in other liabilities	(7,163)	(1,717)	3,052
Net cash provided by operating activities	58,733	51,566	2,648
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(431,662)	(44,682)	(53,051)
Purchases of other investment securities available for sale	(121,679)	(88,784)	(31,208)
Proceeds from sale of other investment securities available for sale	0	0	547
Maturities and principal payments of mortgage-backed securities available for sale	65,673	50,083	76,703
Maturities and principal payments of other investment securities available for sale	108,256	60,085	43,012
Maturities and principal payments of mortgage-backed securities held to maturity	4,193	4,960	4,445
(Purchases) remittance of Federal Home Loan Bank stock	(18,813)	13,414	0
Net proceeds from the sale of business line	0	0	7,205
Net increase in loans	(112,966)	(152,306)	(389,649)
Proceeds from sale of portfolio loans	510	0	1,200
Purchases of loans	(113,562)	(3,085)	(8,119)
Proceeds from the sale of property acquired through foreclosure or repossession	731	1,580	1,769
Purchases of premises and equipment	(3,112)	(5,479)	(5,226)
Purchases of bank-owned life insurance	(5,000)	0	(5,000)
Proceeds from Life Insurance Policies	2,054	0	0
Cash used in business combination, net of cash acquired	0	(1,671)	0
Net cash used in investing activities	(625,377)	(165,885)	(357,372)
Cash flows from financing activities:
Net increase in deposits	129,497	179,437	249,497
Proceeds from Federal Home Loan Bank advances	1,428,750	495,500	602,499
Repayment of Federal Home Loan Bank advances	(958,793)	(522,824)	(484,284)
Proceeds from stock option exercises and issuance of other equity instruments	977	1,563	1,189
Tax benefit from stock option exercises and other equity instruments	1,016	694	578
Cash dividends paid	(24,637)	(22,770)	(19,722)
Net cash provided by financing activities	576,810	131,600	349,757
Net increase (decrease) in cash and cash equivalents	10,166	17,281	(4,967)
Cash and cash equivalents at beginning of year	97,631	80,350	85,317
Cash and cash equivalents at end of year	107,797	97,631	80,350
Noncash Investing and Financing Activities:
Loans charged off	7,012	2,305	1,949
Loans transferred to property acquired through foreclosure or repossession	1,075	1,206	1,961
In conjunction with the purchase acquisition detailed in Note 3 to the Consolidated Financial Statements, assets were acquired and liabilities were assumed as follows:
Common stock issued for acquisition	0	5,430	0
Fair value of assets acquired, net of cash acquired	0	14,315	0
Fair value of liabilities assumed	0	7,214	0
Supplemental Disclosures:
Interest payments	22,267	21,947	21,862
Income tax payments	$ 19,822	$ 20,213	$ 15,515