Acquisitions - Schedule of Acquisition Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	Mar. 09, 2020	May 09, 2019
Bankmanagers Corporation
Assets
Cash and due from banks and interest-bearing deposits in other banks	$ 244,781
Equity securities	0
Securities available-for-sale	136,856
Securities held-to-maturity	300
FHLB and FRB stock	0
Loans	691,667
OREO	1,868
Goodwill	57,174
Other intangible assets	3,068
Premises, furniture, and equipment	2,759
Accrued interest receivable and other assets	11,891
Total assets	1,150,364
Liabilities
Noninterest-bearing deposits	356,050
Interest-bearing deposits	594,026
Total deposits	950,076
Borrowed funds	11,532
Senior and subordinated debt	0
Accrued interest payable and other liabilities	14,374
Total liabilities	975,982
Consideration Paid
Common stock (2020 – 4,930,231, shares issued at $14.58 per share, 2019 – 4,728,541, shares issued at $20.77 per share), net of issuance costs	71,883
Cash paid	102,499
Total consideration paid	$ 174,382
Common stock, shares issued (in shares)	4,930,231
Shares issued (in dollars per share)	$ 14.58
Bridgeview Bancorp, Inc.
Assets
Cash and due from banks and interest-bearing deposits in other banks		$ 35,097
Equity securities		6,966
Securities available-for-sale		263,090
Securities held-to-maturity		13,426
FHLB and FRB stock		1,481
Loans		710,302
OREO		5,436
Goodwill		60,729
Other intangible assets		15,603
Premises, furniture, and equipment		15,905
Accrued interest receivable and other assets		37,098
Total assets		1,165,133
Liabilities
Noninterest-bearing deposits		179,267
Interest-bearing deposits		807,487
Total deposits		986,754
Borrowed funds		1,746
Senior and subordinated debt		29,360
Accrued interest payable and other liabilities		11,921
Total liabilities		1,029,781
Consideration Paid
Common stock (2020 – 4,930,231, shares issued at $14.58 per share, 2019 – 4,728,541, shares issued at $20.77 per share), net of issuance costs		98,212
Cash paid		37,140
Total consideration paid		$ 135,352
Common stock, shares issued (in shares)		4,728,541
Shares issued (in dollars per share)		$ 20.77