Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities
Net income before attribution of noncontrolling interest	$ 19,942	$ 14,303
Adjustments to reconcile net income to net cash provided by operating activities
Provision for (reversal of) credit losses	11,700	(9,275)
Net premium amortization on securities	1,241	2,294
Depreciation and amortization	1,292	1,152
Stock-based compensation expense	1,825	1,260
Change in cash surrender value of bank owned life insurance	(1,412)	(1,342)
Securities losses (gains), net	9,731	(769)
Derivative (gains) losses, net	(14)	1,345
Gains on sale of loans, net	(912)	0
Deferred taxes and others	868	2,986
(Gain) Loss on early extinguishment of advances from the FHLB, net	(13,173)	714
Proceeds from sales and repayments of loans held for sale (at fair value)	40,925	33,464
Originations and purchases of loans held for sale (at fair value)	(78,375)	(45,995)
Net changes in operating assets and liabilities:
Accrued interest receivable and other assets	(7,553)	(243)
Accounts payable, accrued liabilities and other liabilities	(4,881)	(12,012)
Net cash used in operating activities	(18,796)	(12,118)
Purchases of investment securities:
Available for sale	(6,923)	(95,113)
Equity securities with readily determinable fair value not held for trading	0	(12,656)
Federal Home Loan Bank stock	(34,394)	(13,130)
Purchases of investment securities	(41,317)	(120,899)
Maturities, sales, calls and paydowns of investment securities:
Available for sale	17,134	69,517
Held to maturity	2,711	6,010
Federal Home Loan Bank stock	27,413	6,819
Equity securities with readily determinable fair value not held for trading	11,168	252
Maturities, sales, calls and paydowns of investment securities	58,426	82,598
Net increase in loans	(203,506)	(204,536)
Proceeds from loan sales	10,000	58,566
Cash paid in business acquisition	(1,970)	0
Net purchases of premises and equipment and others	(3,738)	(1,917)
Net cash used in investing activities	(182,105)	(186,188)
Cash flows from financing activities
Net increase in demand, savings and money market accounts	41,442	150,383
Net increase (decrease) in time deposits	201,085	(89,553)
Proceeds from Advances from the Federal Home Loan Bank	1,030,000	350,000
Repayments of Advances from the Federal Home Loan Bank	(871,697)	(180,714)
Proceeds from issuance of subordinated notes, net of issuance costs	0	29,146
Repurchase of common stock - Class A	(566)	(54,820)
Dividend paid	(3,017)	(3,154)
Common stock surrendered	(1,170)	(996)
Net cash provided by financing activities	396,077	200,292
Net increase in cash and cash equivalents and restricted cash	195,176	1,986
Cash, cash equivalents and restricted cash
Beginning of period	290,601	274,208
End of period	485,777	276,194
Cash paid:
Interest	38,712	7,566
Income taxes	491	239
Right-of-use assets obtained in exchange for new lease obligations	6,233	1,122
Noncash investing activities:
Mortgage loans held for sale (at fair value) transferred to loans held for investment	36,419	9,848
Loans transferred to other assets	$ 26,534	$ 0