Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017
ASSETS
Cash and due from banks, noninterest-bearing	$ 78,217	$ 114,301	$ 81,514
Due from banks, interest-bearing	448,515	375,189	323,646
Total cash and cash equivalents	526,732	489,490	405,160
Securities available for sale	341,001	343,270	214,743
Securities held to maturity (fair values of $111,201, $118,998, and $134,185)	112,058	118,503	133,254
Presold mortgages in process of settlement	6,029	12,459	11,661
Loans	4,113,785	4,042,369	3,289,355
Allowance for loan losses	(23,298)	(23,298)	(23,546)
Net loans	4,090,487	4,019,071	3,265,809
Premises and equipment	115,542	116,233	97,142
Accrued interest receivable	13,270	14,094	10,524
Goodwill	231,681	233,070	142,872
Other intangible assets	24,079	24,437	12,811
Foreclosed real estate	11,307	12,571	12,789
Bank-owned life insurance	99,786	99,162	86,923
Other assets	69,555	64,677	48,158
Total assets	5,641,527	5,547,037	4,441,846
LIABILITIES
Deposits: Noninterest bearing checking accounts	1,227,608	1,196,161	958,175
Interest bearing checking accounts	896,189	884,254	694,898
Money market accounts	1,035,261	984,945	814,079
Savings accounts	445,405	454,860	415,600
Time deposits of $100,000 or more	606,313	593,123	486,556
Other time deposits	284,932	293,612	259,862
Total deposits	4,495,708	4,406,955	3,629,170
Borrowings	407,059	407,543	290,403
Accrued interest payable	1,306	1,235	691
Other liabilities	31,804	38,325	32,121
Total liabilities	4,935,877	4,854,058	3,952,385
Commitments and contingencies
SHAREHOLDERS' EQUITY
Preferred stock, no par value per share. Authorized: 5,000,000 shares Series C, convertible, issued & outstanding: none, none, and none
Common stock, no par value per share. Authorized: 40,000,000 shares Issued & outstanding: 29,660,967, 29,639,374, and 24,663,241 shares	433,305	432,794	262,180
Retained earnings	282,038	264,331	231,503
Stock in rabbi trust assumed in acquisition	(3,588)	(3,581)	(7,688)
Rabbi trust obligation	3,588	3,581	7,688
Accumulated other comprehensive income (loss)	(9,693)	(4,146)	(4,222)
Total shareholders' equity	705,650	692,979	489,461
Total liabilities and shareholders' equity	$ 5,641,527	$ 5,547,037	$ 4,441,846