CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities
Net income	$ 21,698	$ 20,610
Adjustments to reconcile net income to net cash used in operating activities:
Net amortization of investment securities	130	670
Stock dividends received on correspondent bank stock	(381)	(86)
Provision for loan losses	3,682	1,230
Net gain on mortgage loans	(5,306)	(16,060)
Origination of mortgage loans	(439,682)	(1,425,713)
Proceeds from mortgage loans	465,819	1,564,466
Gain on disposal of fixed assets and intangibles	(21)	0
Depreciation and amortization	2,012	1,256
Net amortization of purchase accounting adjustments	55	187
Deferred income tax expense (benefit), net of valuation allowance	557	(668)
Increase in cash surrender value of company-owned life insurance	(349)	(354)
Stock-based compensation	2,562	2,903
Gain on sale of other real estate owned	(44)	0
Change in fair value of equity securities	(342)	(469)
Change in fair value of loans accounted for under the fair value option	891	0
Change in fair value of mortgage loans and mortgage banking derivatives	1,903	12,244
(Gain)/loss on assets held for sale	(4)	27
Net changes in operating assets and liabilities:
Change in accounts receivable	426	(275)
Change in accrued interest receivable and other assets	(3,647)	695
Change in accrued interest payable and other liabilities	(1,681)	1,852
Net cash provided by operating activities	48,278	162,515
Investment securities available-for-sale:
Maturities, prepayments, and calls	3,218	16,241
Purchases	(9,000)	(17,667)
Activity in held-to-maturity securities:
Maturities, prepayments, and calls	9,040	0
Purchases	(31,189)	0
Purchases of correspondent bank stock	(13,999)	(1)
Redemption of correspondent bank stock	9,854	983
Contributions to low-income housing tax credit investments	(214)	(2,087)
Loan and note receivable originations and principal collections, net	(487,973)	(159,577)
Purchases of premises and equipment	(2,967)	(2,108)
Purchase of loans	(36,115)	0
Proceeds from sale of assets held for sale	125	0
Proceeds from sale of other real estate owned	422	194
Net cash received on acquisitions	0	120,997
Net cash used in investing activities	(558,798)	(43,025)
Cash flows from financing activities
Net change in deposits	199,555	206,566
Payments to Federal Home Loan Bank borrowings	(545,920)	0
Proceeds from Federal Home Loan Bank borrowings	677,418	0
Payments to Federal Reserve borrowings	(23,241)	(194,608)
Proceeds from Federal Reserve borrowings	0	83,674
Payments on subordinated notes	(6,575)	0
Proceeds from subordinated notes, net of issuance costs	19,509	14,667
Proceeds from the exercise of stock options	179	1,706
Settlement of restricted stock	(876)	(501)
Net cash provided by financing activities	320,049	111,504
Net change in cash and cash equivalents	(190,471)	230,994
Cash and cash equivalents, beginning of year	386,983	155,989
Cash and cash equivalents, end of period	196,512	386,983
Supplemental cash flow information:
Interest paid on deposits and borrowed funds	16,500	5,514
Income tax payment, net of refunds received	5,242	6,336
Cash paid for lease liabilities	3,354	2,947
Supplemental noncash disclosures:
Change in unrealized (loss)/gain on available-for-sale securities	(2,591)	(620)
Lease right-of-use-asset obtained in exchange for lease liabilities	801	2,262
Transfer of securities from available-for-sale to held-to-maturity	58,727	0
Transfer from loans to other real estate owned	378	0
Transfer of loans held for investment to loans held for sale	$ 1,985	$ 0
Common stock issued for Teton acquisition	0	39,818