Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Assets
Cash and due from banks	$ 141,581	$ 169,460
Interest-earning deposits with banks	2,099,103	1,127,176
Debt Securities, Trading	3,720	2,838
Securities
Equity Securities, FV-NI	23,173	22,107
Debt Securities, Available-for-sale	1,571,148	412,860
Held to maturity (fair value $1,064,133 and $752,177)	1,066,818	724,512
Total securities	2,664,859	1,162,317
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group	24,679	58,104
Loans
Financing Receivable, before Allowance for Credit Loss	13,540,590	9,371,470
Total loans	13,587,286	9,392,866
Less: allowance for credit losses	(146,922)	(113,392)
Net loans	13,440,364	9,279,474
Federal Home Loan Bank stock	11,407	10,250
Bank premises and equipment, net	195,590	116,393
Goodwill	985,072	506,206
Other intangible assets	32,772	23,107
Cash surrender value of life insurance policies	289,304	200,525
Other assets	538,674	551,289
Total assets	20,423,405	13,204,301
Deposits
Noninterest-bearing demand deposits	5,479,503	3,762,306
Savings and interest checking accounts	6,350,016	4,047,332
Money market	3,556,375	2,232,903
Time Deposits	1,531,150	950,629
Total deposits	16,917,044	10,993,170
Borrowings
Advances from Federal Home Loan Banks	25,667	35,740
Secured Debt	14,063	32,773
Junior Subordinated Notes	62,853	62,851
Subordinated debentures (less unamortized debt issuance costs of $209 and $304)	49,791	49,696
Total borrowings	152,374	181,060
Other liabilities	335,538	327,386
Total liabilities	17,404,956	11,501,616
Commitments and contingencies	0	0
Stockholders' Equity
Preferred stock, $0.01 par value; authorized: 1,000,000 shares, outstanding: none	$ 0	$ 0
Common Stock, Shares, Outstanding	47,349,778	32,965,692
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number	135,273	135,205
Common stock, $0.01 par value; authorized: 75,000,000 shares, issued and outstanding: 47,349,778 shares at December 31, 2021 and 32,965,692 shares at December 31, 2020 (includes 135,273 and 135,205 shares of unvested participating restricted stock awards, respectively)	$ 472	$ 328
Value of shares held in rabbi trust at cost: 82,565 shares at December 31, 2021 and 84,126 shares at December 31, 2020	(3,146)	(3,066)
Compensation and Benefits Trust	3,146	3,066
Additional paid in capital	2,249,078	945,638
Retained earnings	766,716	716,024
Accumulated other comprehensive income, net of tax	2,183	40,695
Total stockholders' equity	3,018,449	1,702,685
Liabilities and Equity	20,423,405	13,204,301
Junior Subordinated Debt [Member]
Stockholders' Equity
Unamortized Debt Issuance Expense	(35)	(37)
Subordinated Debt [Member]
Stockholders' Equity
Unamortized Debt Issuance Expense	(209)	(304)
Long-term Debt [Member]
Stockholders' Equity
Unamortized Debt Issuance Expense	0	(40)
Commercial And Industrial [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	1,563,279	2,103,152
Total loans	1,563,279	2,103,152
Commercial Real Estate [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	7,992,344	4,173,927
Total loans	7,992,344	4,173,927
Construction Loans [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	1,165,457	553,929
Total loans	1,165,457	553,929
Small Business [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	193,189	175,023
Total loans	193,189	175,023
Residential Real Estate [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	1,604,686	1,296,183
Total loans	1,604,686	1,296,183
Home Equity 1st Position [Member] | Senior Lien [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	589,550	633,142
Home Equity Subordinate Position [Member] | Junior Lien [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	450,061	435,648
Consumer Portfolio Segment [Member]
Loans
Financing Receivable, before Allowance for Credit Loss	28,720	21,862
Total loans	28,720	21,862	[1]
Home Equity Loan [Member]
Loans
Total loans	$ 1,039,611	$ 1,068,790

[1] Other consumer portfolio is inclusive of deposit account overdrafts recorded as loan balances.