Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating Activities
Net income	$ 40,005	$ 52,681	$ 44,675
Adjustments to reconcile net income to net cash provided (used) by operating activities
Deferred income taxes	913	2,786	(4,434)
Provision for loan losses		(3,500)	10,900
Depreciation and amortization	8,467	8,868	8,950
Amortization and accretion of premiums/discounts on investment securities	3,387	3,744	1,760
Amortization of operating lease right-of-use assets	(229)	(58)	(25)
Stock-based compensation	1,904	3,095	1,927
Increase in value of bank-owned life insurance	(835)	(793)	(797)
Realized loss (gain) on sale of fixed assets	(33)	(62)	707
Realized loss (gain) on derivative instruments	2,006	8,459	1,927
Realized loss (gain) on loans sold	(11,616)	(48,038)	(57,070)
Realized loss (gain) on sale of foreclosed assets	71	(275)	(28)
Realized loss (gain) on sale of investment securities		(125)	(2,737)
Realized loss (gain) on servicing rights	(702)	(638)	936
Net change in:
Loans held for sale	48,539	123,945	(18,621)
Accrued interest receivable	(3,241)	1,125	(2,111)
Other assets	5,357	(7,247)	(2,684)
Accrued expenses and other liabilities	8,973	5,865	(5,527)
Net cash provided (used) by operating activities	102,966	149,832	(22,252)
Investing Activities
Proceeds from sales or calls of investment securities available-for-sale		13,189	75,647
Proceeds from maturities of investment securities available-for-sale	105,633	125,581	69,680
Purchases of investment securities available-for-sale	(95,600)	(571,595)	(414,724)
Proceeds from sales or calls of investment securities held-to-maturity	963	1,772
Proceeds from maturities of investment securities held-to-maturity	27,429	12,545
Purchases of investment securities held-to-maturity		(218,363)
Net (increase) decrease in equity securities			2,808
Net (increase) decrease in loans	(416,150)	221,006	(259,130)
Net (increase) decrease in FHLB stock	(15,556)	(716)	(10)
Net cash received (paid) for business combinations	101,511		(9,279)
Purchases of premises and equipment	(1,789)	(1,706)	(3,811)
Proceeds from sales of foreclosed assets	937	629	429
Net cash provided (used) by investing activities	(292,622)	(417,658)	(538,390)
Financing Activities
Net increase (decrease) in deposits	(358,752)	348,558	600,677
Net increase (decrease) in short-term borrowings	378,080
Repayments of long-term debt	(203)	(49,920)	(210)
Proceeds from the issuance of subordinated debt		50,000
Cash dividends paid on common stock	(12,800)	(10,751)	(10,387)
Repurchase of common stock	(738)	(712)	(482)
Net cash provided (used) by financing activities	5,587	337,175	589,598
Net change in cash and cash equivalents	(184,069)	69,349	28,956
Cash and cash equivalents at beginning of period	242,311	172,962	144,006
Cash and cash equivalents at end of period	58,242	242,311	172,962
Cash paid for:
Interest	15,095	4,538	12,641
Income taxes	12,531	13,124	13,582
Cash and cash equivalents acquired	101,696		513
Non-cash information
Loan collateral transferred to foreclosed assets	153	1,176	456
Unrealized gain (loss) on investment securities available-for-sale	(94,004)	(14,567)	8,702
Accretion of unrealized (gain) loss on investment securities held-to-maturity	(382)	(326)
Investment securities transferred to held-to-maturity		149,191
Right-of-use assets obtained in exchange for new operating leases	4,266	$ 267	1,555
Noncash assets acquired	297,745		14,627
Liabilities assumed	(354,358)		(5,348)
Issuance of common stock for the acquisition of Metro Phoenix Bank	(64,019)
Net noncash acquired	$ (120,632)		$ 9,279