Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Operating activities
Net income	$ 15,477,000	$ 13,380,000	$ 30,094,000	$ 25,836,000
Adjustments to reconcile net income to net cash from Operating activities:
Depreciation and amortization of premises and equipment			1,346,000	980,000
Net accretion of securities, loans, deposits, and other			(209,000)	(369,000)
Unrealized loss on equity securities	0	35,000	0	55,000
Amortization of investment in affordable housing tax credits			510,000	519,000
Amortization of intangible assets			2,249,000	3,411,000
Amortization of right-of-use asset			2,586,000	2,618,000
Change in operating lease liabilities			(2,523,000)	(2,512,000)
Provision for loan losses	915,000	628,000	1,281,000	2,128,000	$ 3,959,000
Stock-based compensation			406,000	602,000
Deferred tax (benefit) expense			(417,000)	203,000
Gain on sale of loans	(344,000)	(2,572,000)	(1,518,000)	(6,413,000)
Gain on sale of fixed assets			(757,000)	0
Increase in cash surrender value of life insurance			(654,000)	(404,000)
Loans originated and purchased for sale, net			(32,739,000)	(108,425,000)
Proceeds from loans sold			50,014,000	216,770,000
Other items			(4,174,000)	(2,672,000)
Net cash provided by operating activities			45,495,000	132,327,000
Investing activities
Purchases			(315,434,000)	(372,303,000)
Maturities, prepayments and calls			305,355,000	242,162,000
Securities held to maturity:
Maturities, prepayments and calls			500,000	500,000
Purchase of other equity securities, net			(171,000)	(43,000)
Redemption of Federal Home Loan Bank stock			0	641,000
Net increase of investment in qualified affordable housing projects			(3,000)	(453,000)
Net increase in loans			(117,356,000)	(64,521,000)
Purchase of bank owned life insurance			0	(19,800,000)
Net cash received in connection with a branch purchase			71,352,000	0
Proceeds from sale of fixed assets			757,000	0
Purchases of premises and equipment			(1,215,000)	(895,000)
Net cash used in investing activities			(56,215,000)	(214,712,000)
Financing activities
Net (decrease) increase in demand deposits and savings accounts			(387,475,000)	450,349,000
Net decrease in time deposits			(52,056,000)	(15,436,000)
Advances on short-term FHLB advances			220,000,000	0
Repays of short-term FHLB Advances			(120,000,000)	0
Cash dividends paid			(5,411,000)	(4,887,000)
Redemption of subordinated debentures			0	(50,000,000)
Issuance of subordinated debentures, net of issuance costs			0	118,111,000
Common stock repurchased, net of repurchased costs			(16,829,000)	(7,559,000)
Exercise of stock options	2,500,000	467,000	2,855,000	806,000
Net cash (used in) provided by financing activities			(358,916,000)	491,384,000
Net (decrease) increase in cash and cash equivalents			(369,636,000)	408,999,000
Cash and cash equivalents at beginning of period			694,372,000	194,654,000	194,654,000
Cash and cash equivalents at end of period	$ 324,736,000	$ 603,653,000	324,736,000	603,653,000	$ 694,372,000
Cash paid during the period:
Interest paid			10,407,000	11,357,000
Taxes paid			15,077,000	15,100,000
Non-cash investing and financing activities:
Loans transfer to held for sale, net			9,800,000	61,215,000
Additions to servicing assets			632,000	1,416,000
Net change in unrealized holding gain on securities available for sale			(20,367,000)	(1,368,000)
Recognition of operating lease right-of-use assets			(6,063,000)	(27,668,000)
Recognition of operating lease liabilities			$ 6,063,000	$ 27,668,000