Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020
ASSETS
CASH AND DUE FROM BANKS	$ 201,901	$ 211,113	$ 175,088
INTEREST-BEARING DEMAND DEPOSITS IN BANKS	359,241	517,971	58,933
Total cash and cash equivalents	561,142	729,084	234,021
SECURITIES AVAILABLE-FOR-SALE, at fair value (amortized cost of these securities was $5,981,374, $4,238,624 and $4,177,179 as of September 30, 2021 and 2020 and December 31, 2020, respectively)	6,119,984	4,393,029	4,431,280
LOANS:
Held-for-investment, excluding PPP loans	5,147,160	4,687,370	4,589,948
PPP loans	139,334	483,663	703,731
Total loans held-for-investments	5,286,494	5,171,033	5,293,679
Less—allowance for credit losses	(63,370)	(66,534)	(76,038)
Net loans held for investment	5,223,124	5,104,499	5,217,641
Held-for-sale ($46,081, $94,666 and $79,585 at fair value at September 30, 2021 and 2020 and December 31, 2020, respectively)	47,721	83,969	101,055
BANK PREMISES AND EQUIPMENT, net	147,516	142,269	141,002
INTANGIBLE ASSETS, net	317,170	318,392	318,875
OTHER ASSETS	126,601	133,258	123,778
Total assets	12,543,258	10,904,500	10,567,652
LIABILITIES AND SHAREHOLDERS' EQUITY
NONINTEREST-BEARING DEPOSITS	3,574,405	2,982,697	2,950,407
INTEREST-BEARING DEPOSITS	6,318,712	5,693,120	5,344,481
Total deposits	9,893,117	8,675,817	8,294,888
DIVIDENDS PAYABLE	21,380	18,484	18,476
BORROWINGS	648,679	430,093	503,163
TRADE DATE PAYABLES	174,236	14,641	53,730
OTHER LIABILITIES	72,111	87,275	77,894
Total liabilities	10,809,523	9,226,310	8,948,151
COMMITMENTS AND CONTINGENCIES
SHAREHOLDERS' EQUITY:
COMMON STOCK ($0.01 par value, authorized 200,000,000 shares; 142,467,687, 142,121,595 and 142,161,834 shares issued at September 30, 2021 and 2020 and December 31, 2020, respectively)	1,425	1,422	1,421
CAPITAL SURPLUS	675,139	669,644	668,815
RETAINED EARNINGS	947,724	836,729	797,202
TREASURY STOCK (shares at cost: 937,803, 934,859 and 938,591 at September 30, 2021 and 2020 and December 31, 2020, respectively)	(9,876)	(9,126)	(8,780)
DEFERRED COMPENSATION	9,876	9,126	8,780
ACCUMULATED OTHER COMPREHENSIVE EARNINGS, net	109,447	170,395	152,063
Total shareholders' equity	1,733,735	1,678,190	1,619,501
Total liabilities and shareholders' equity	$ 12,543,258	$ 10,904,500	$ 10,567,652