Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities
Net income before attribution of noncontrolling interest	$ 22,476	$ 29,604
Adjustments to reconcile net income to net cash (used in) provided by operating activities
Reversal of loan losses	(10,000)	(5,000)
Net premium amortization on securities	4,587	6,999
Depreciation and amortization	2,446	3,658
Stock-based compensation expense	2,536	2,383
Change in cash surrender value of bank owned life insurance	(2,676)	(2,724)
Securities losses (gains), net	1,833	(3,911)
Derivative gains (losses), net	490	0
Loss (gain) on sale of loans, net	302	(3,824)
Deferred taxes and others	4,737	1,200
Loss on early extinguishment of advances from the FHLB, net	712	2,488
Proceeds from sales and repayments of loans held for sale (at fair value)	74,999	899
Originations and purchases of loans held for sale (at fair value)	(130,748)	(2,631)
Net changes in operating assets and liabilities:
Accrued interest receivable and other assets	(14,117)	(1,224)
Accounts payable, accrued liabilities and other liabilities	(6,321)	4,103
Net cash (used in) provided by operating activities	(48,744)	32,020
Purchases of investment securities:
Available for sale	(169,383)	(214,273)
Held to maturity securities	(129,996)	(50,274)
Equity securities with readily determinable fair value not held for trading	(12,656)	0
Federal Home Loan Bank stock	(15,199)	(19)
Purchases of investment securities	(327,234)	(264,566)
Maturities, sales, calls and paydowns of investment securities:
Available for sale	127,125	232,518
Held to maturity	9,200	14,733
Federal Home Loan Bank stock	14,507	17,360
Equity securities with readily determinable fair value not held for trading	252	0
Maturities, sales, calls and paydowns of investment securities	151,084	264,611
Net (increase) decrease in loans	(302,056)	131,882
Proceeds from loan sales	70,132	105,771
Net purchases of premises and equipment and others	(4,493)	(2,268)
Cash paid in business acquisition	0	(1,037)
Net cash (used in) provided by investing activities	(412,567)	234,393
Cash flows from financing activities
Net increase in demand, savings and money market accounts	655,414	351,786
Net decrease in time deposits	(83,431)	(408,521)
Proceeds from Advances from the Federal Home Loan Bank	580,000	285,500
Repayments of Advances from the Federal Home Loan Bank	(560,712)	(529,618)
Proceeds from issuance of subordinated notes, net of issuance costs	29,146	0
Repurchase of common stock - Class A	(72,060)	0
Dividend paid	(6,203)	0
Repurchase of common stock - Class B	0	(8,395)
Common stock surrendered	(996)	(39)
Net cash provided by (used in) financing activities	541,158	(309,287)
Net increase (decrease) in cash and cash equivalents	79,847	(42,874)
Cash, cash equivalents and restricted cash
Beginning of period	274,208	214,386
End of period	354,055	171,512
Supplemental disclosures of cash flow information
Cash paid for Interest	19,461	26,106
Cash paid for Income taxes	19,614	8,398
Right-of-use assets obtained in exchange for new lease obligations	4,480	0
Initial recognition of operating lease right-of-use assets	0	55,670
Initial recognition of operating lease liabilities	0	56,024
Noncash investing activities:
Mortgage loans held for sale (at fair value) transferred to loans held for investment	$ 16,056	$ 0