Consolidated Statements of Cash Flows - USD ($) $ in Thousands		9 Months Ended
		Sep. 30, 2019	Sep. 30, 2018
Cash Flows From Operating Activities:
Net income		$ 42,606	$ 30,403
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation, amortization, and accretion		5,260	4,643
Provision for loan losses		900	1,360
Increase in cash surrender value of life insurance		(1,432)	(1,367)
Stock-based compensation expense		3,643	3,613
Asset (gains) losses, net		(8,030)	(1,322)
Gain on sale of loans held for sale, net		(7,042)	(4,026)
Proceeds from sale of loans held for sale		255,775	184,314
Origination of loans held for sale		(259,465)	(178,911)
Net change in:
Accrued interest receivable and other assets		(5,020)	(4,952)
Accrued interest payable and other liabilities		9,310	6,798
Net cash provided by (used in) operating activities		36,505	40,553
Cash Flows From Investing Activities:
Net (increase) decrease in loans		(74,131)	(50,703)
Net (increase) decrease in certificates of deposit in other banks		(4,402)	751
Purchases of securities AFS		(57,875)	(57,891)
Proceeds from sales of securities AFS		13,240	0
Proceeds from calls and maturities of securities AFS		38,128	40,302
Purchases of other investments		(1,941)	(634)
Proceeds from sales of other investments		17,144	807
Purchases of BOLI		(5,000)	0
Proceeds from redemption of BOLI		1,348	561
Net (increase) decrease in premises and equipment		(3,529)	(2,974)
Net (increase) decrease in other real estate and other assets		15	1,486
Net cash provided by (used in) investing activities		(77,003)	(68,295)
Cash Flows From Financing Activities:
Net increase (decrease) in deposits		(29,691)	51,171
Repayments of long-term borrowings		(20,193)	(1,189)
Purchase and retirement of common stock		(19,731)	(17,210)
Proceeds from issuance of common stock		449	167
Proceeds from exercise of stock options		4,382	1,224
Distribution to noncontrolling interest		(275)	(199)
Net cash provided by (used in) financing activities		(65,059)	33,964
Net increase (decrease) in cash and cash equivalents		(105,557)	6,222
Cash and cash equivalents:
Beginning		249,526	154,933
Ending	[1]	143,969	161,155
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest		16,682	13,294
Cash paid for taxes		11,690	9,325
Transfer of loans and bank premises to other real estate owned		1,025	587
Capitalized mortgage servicing rights		1,807	$ 696
Initial recognition of operating lease right of use asset		$ 5,403

[1] * Cash and cash equivalents include restricted cash of $6.3 million and $7.4 million at September 30, 2019 and 2018, respectively, for the reserve balance required with the Federal Reserve Bank. At September 30, 2019, cash and cash equivalents also includes restricted cash of $1.3 million pledged as collateral on interest rate swaps.