Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Assets
Cash	$ 641,861	$ 262,327
Interest-bearing deposits due from banks	20,774	7,763
Total cash and cash equivalents	662,635	270,090
Investment securities available for sale, at fair value (allowance for credit losses of $50 at September 30, 2021 and $2 at December 31, 2020)	529,381	855,746
Investment securities held to maturity (fair value of $686,728 at September 30, 2021 and $93,868 at December 31, 2020 and allowance for credit losses of $183 at September 30, 2021 and none at December 31, 2020)	693,562	90,766
Equity securities, at fair value	16,422	14,694
Federal Home Loan Bank and other membership bank stock, at cost	9,340	11,979
Loans held for sale	851	1,335
Loans, net of deferred fees	5,880,802	6,021,232
Less: Allowance for credit losses	57,953	71,124
Net loans	5,822,849	5,950,108
Premises and equipment, net	46,163	48,495
Operating lease right-of-use assets	14,809	16,772
Accrued interest receivable	18,182	19,339
Goodwill	156,277	156,277
Other identifiable intangible assets	2,631	3,288
Bank owned life insurance	117,073	115,115
Other assets	82,304	110,293
Total Assets	8,172,479	7,664,297
Liabilities
Deposits	6,930,912	6,455,783
Federal funds purchased and securities sold under agreements to repurchase	111,907	169,560
Other borrowings	25,000	25,000
Subordinated debentures	187,107	118,257
Operating lease liabilities	16,105	18,183
Other liabilities	87,320	113,730
Total Liabilities	7,358,351	6,900,513
Stockholders' Equity
Common stock, no par value; authorized 100,000,000 shares; issued 50,733,113 shares and outstanding 50,602,078 shares at September 30, 2021 and issued 50,610,681 shares and outstanding 50,479,646 shares at December 31, 2020	564,974	562,421
Retained earnings	244,092	191,418
Treasury shares, at cost, 131,035 shares at September 30, 2021 and December 31, 2020	(1,452)	(1,452)
Accumulated other comprehensive income	6,514	11,397
Total Stockholders' Equity	814,128	763,784
Total Liabilities and Stockholders' Equity	$ 8,172,479	$ 7,664,297