CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 24,981	$ 21,992
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for loan losses	1,100	950
Depreciation of premises and equipment	1,759	1,790
Net amortization of premium and discount	1,616	977
Amortization of intangibles	534	645
Goodwill impairment	150	0
Share-based compensation	1,198	1,109
Tax benefit from stock option exercises and other equity awards	350	286
Income from bank-owned life insurance	(1,078)	(1,589)
Net gains on loan sales and commissions on loans originated for others	(5,052)	(4,938)
Net gain on sale of portfolio loans	0	(135)
Equity in (earnings) losses of unconsolidated subsidiaries	177	177
Proceeds from sales of loans	215,239	222,098
Loans originated for sale	(213,929)	(217,682)
Change in fair value of contingent consideration liability	(310)	41
(Increase) decrease in other assets	(6,064)	(21,194)
Increase (decrease) in other liabilities	1,110	16,409
Net cash provided by (used in) operating activities	21,781	20,936
Cash flows from investing activities:
Purchases of mortgage-backed securities available for sale	(35,213)	(62,497)
Purchases of other investment securities available for sale	(19,963)	(40,495)
Maturities and principal payments of mortgage-backed securities available for sale	38,861	23,696
Maturities and principal payments of other investment securities available for sale	8,955	54,681
Maturities and principal payments of mortgage-backed securities held to maturity	1,614	2,008
Purchases of Federal Home Loan Bank stock	(1,511)	(9,987)
Net decrease (increase) in loans	33,596	(53,972)
Net proceeds from sale of portfolio loans	0	510
Purchases of loans	0	(17,079)
Proceeds from the sale of property acquired through foreclosure or repossession	213	254
Purchases of premises and equipment	(1,247)	(1,816)
Proceeds of bank-owned life insurance	0	2,054
Net cash provided by (used in) investing activities	25,305	(102,643)
Cash flows from financing activities:
Net increase (decrease) in deposits	(42,563)	(144,905)
Proceeds from Federal Home Loan Bank advances	657,500	640,000
Repayment of Federal Home Loan Bank advances	(636,697)	(378,963)
Net proceeds from stock option exercises and issuance of other equity awards	(184)	(26)
Cash dividends paid	(13,007)	(12,117)
Net cash provided by (used in) financing activities	(34,951)	103,989
Net increase (decrease) in cash and cash equivalents	12,135	22,282
Cash and cash equivalents at beginning of period	107,797	97,631
Cash and cash equivalents at end of period	119,932	119,913
Noncash Investing and Financing Activities:
Loans charged off	721	2,335
Loans transferred to property acquired through foreclosure or repossession	410	1,045
Supplemental Disclosures:
Interest payments	14,111	10,467
Income tax payments	$ 11,849	$ 9,872