Consolidated Balance Sheets - USD ($)		Dec. 31, 2020	Dec. 31, 2019
Assets
Cash and due from banks		$ 88,460,000	$ 75,433,000
Interest-earning deposits		714,399,000	106,626,000
Federal funds sold		0	0
Cash and cash equivalents	[1]	802,859,000	182,059,000
Certificates of deposit in other banks		29,521,000	19,305,000
Securities available for sale (“AFS”), at fair value		539,337,000	449,302,000
Other investments		27,619,000	24,072,000
Loans held for sale		21,450,000	2,706,000
Loans		2,789,101,000	2,573,751,000
Allowance for credit losses - loans (“ACL-Loans”)		(32,173,000)	(13,972,000)
Loans, net		2,756,928,000	2,559,779,000
Premises and equipment, net		59,944,000	56,469,000
Bank owned life insurance (“BOLI”)		83,262,000	78,140,000
Goodwill and other intangibles, net		175,353,000	165,967,000
Accrued interest receivable and other assets		55,516,000	39,461,000
Total assets		4,551,789,000	3,577,260,000
Liabilities:
Noninterest-bearing demand deposits		1,212,787,000	819,055,000
Interest-bearing deposits		2,697,612,000	2,135,398,000
Total deposits		3,910,399,000	2,954,453,000
Short-term borrowings		0	0
Long-term borrowings		53,869,000	67,629,000
Accrued interest payable and other liabilities		48,332,000	38,188,000
Total liabilities		4,012,600,000	3,060,270,000
Stockholders’ Equity:
Common stock		100,000	106,000
Additional paid-in capital		273,390,000	312,733,000
Retained earnings		252,952,000	199,005,000
Accumulated other comprehensive income (loss)		12,747,000	4,418,000
Total Nicolet Bankshares, Inc. stockholders’ equity		539,189,000	516,262,000
Noncontrolling interest		0	728,000
Total stockholders’ equity and noncontrolling interest		539,189,000	516,990,000
Total liabilities, noncontrolling interest and stockholders’ equity		$ 4,551,789,000	$ 3,577,260,000
Preferred shares authorized (no par value) (in shares)		10,000,000	10,000,000
Preferred shares issued and outstanding (in shares)		0	0
Common shares authorized (par value $0.01 per share) (in shares)		30,000,000	30,000,000
Common shares outstanding (in shares)		10,011,342	10,587,738
Common shares issued (in shares)		10,030,267	10,610,259

[1] Cash and cash equivalents at December 31, 2020 include restricted cash of $1.9 million pledged as collateral on interest rate swaps and no reserve balance was required with the Federal Reserve. At December 31, 2019 cash and cash equivalents included restricted cash of $1.3 million pledged as collateral on interest rate swaps and $6.0 million for the reserve balance required with the Federal Reserve, while at December 31, 2018, cash and cash equivalents included $6.3 million for the reserve balance required with the Federal Reserve and no cash was pledged as collateral on interest rate swaps.