Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Cash flows from operating activities:
Net income	$ 52,480	$ 17,697
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	2,168	951
Deferred income tax benefit	1,923	(1,680)
Provision for loan losses	117	10,450
Accretion of fair value adjustments (discounts) on acquired loans	(2,006)	1,030
Amortization of fair value adjustments (premiums) on assumed time deposits	(3,225)	23
Amortization of fair value adjustments (premiums) on assumed subordinated notes	(176)
Fair value adjustments on other real estate owned	75
Fair value adjustments of other equity investments	(7,316)
Proceeds from sale of loans held for sale	1,228,021	1,099,378
Loans held for sale, originated	(1,171,787)	(1,180,190)
Gain on sale of loans held for sale, originated	(21,432)	42,140
Gain on sale of Paycheck Protection Program loans	(24,315)
Realized losses (gains) on sale of available for sale securities	144	(211)
Loss on disposal of premises and equipment	110	(160)
Investment amortization expense, net	1,865	(1,138)
Amortization of subordinated debt issuance costs	206	55
Intangible amortization	1,867	825
Increase in cash surrender value of bank owned life insurance	(932)	(390)
Decrease (increase) in other assets	12,442	(26,332)
(Decrease) increase in other liabilities	(10,921)	13,002
Net cash provided by (used in) operating activities	59,308	(108,340)
Cash flows used in investing activities:
Net increase in federal funds sold	(41,396)	(295)
Purchases of securities available for sale	(264,929)	(44,164)
Proceeds from calls, maturities, sales, paydowns and maturities of securities available for sale	71,804	53,595
Proceeds from calls, maturities, sales, paydowns and maturities of securities held to maturity		1,212
Proceeds from sale of other real estate owned	341
Net change in restricted equity and other investments	(205)
Proceeds from sale of Paycheck Protection Program loans	705,930	0
Net change in Paycheck Protection Program loans	(382,830)	292,068
Net increase in loans held for investment	(59,053)	53,320
Purchases of premises and equipment	(1,256)	(3,010)
Proceeds from sale of premises and equipment	547	719
Purchases of bank owned life insurance	(9,600)
Capital calls of other investments	(11,582)	(609)
Net cash acquired in acquisition of Bay Banks of Virginia, Inc.	(44,066)
Distributions from other investments	647	94
Net cash provided by (used in) investing activities	52,484	(340,885)
Cash flows from financing activities:
Net increase in demand, savings and other interest-bearing deposits	452,173	232,591
Net decrease in time deposits	(127,174)	(9,512)
Dividends paid on common stock	(7,183)	(2,436)
Federal Home Loan Bank advances	721,000	676,900
Federal Home Loan Bank repayments	(836,000)	(686,700)
Federal Reserve Bank advances	434,336	363,682
Federal Reserve Bank repayments	(722,900)	82,032
Stock option exercised	804
Payment of subordinated debt issuance costs		(349)
Issuance of subordinated notes		15,000
Redemption of subordinated debt	(14,150)
Net cash (used in) provided by financing activities	(99,094)	507,144
Net increase in cash and due from banks	12,698	57,919
Cash and due from banks at beginning of period	117,945	60,026
Cash and due from banks at end of period	130,643	117,945
Supplemental Schedule of Cash Flow Information
Interest	11,583	10,030
Income taxes	10,131	2,000
Non-cash investing and financing activities:
Unrealized gain on securities available for sale	(6,024)	1,029
Transfer of securities from held to maturity to available for sale		10,980
Issuance of restricted stock awards, net of forfeitures	1,331	567
Assets acquired in acquisition	1,224,583
Liabilities assumed in acquisition	1,107,036
Effective settlement of subordinated notes in business combination	650
Change in goodwill	$ 7,206	$ 23