Loans (Loan Balances By Classification) (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 17, 2021	Dec. 31, 2020
Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		$ 1,174,826
Business Combination, Acquired Receivable, Fair Value		1,133,890
Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	$ 174,784		$ 106,792
Construction | Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		97,262
Business Combination, Acquired Receivable, Fair Value		93,819
Commercial real estate, other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	1,629,116		929,853
Commercial real estate, other | Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		544,950
Business Combination, Acquired Receivable, Fair Value		517,315
Premium finance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	134,755		114,758
Residential real estate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	768,134		574,007
Residential real estate | Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		332,269
Business Combination, Acquired Receivable, Fair Value		327,508
Home equity lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	161,370		120,913
Consumer, indirect
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	543,256		503,527
Consumer, direct
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	108,702		79,094
Consumer, direct | Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		21,083
Business Combination, Acquired Receivable, Fair Value		21,527
Deposit account overdrafts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	927		351
Total loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	4,491,028		3,402,940
Finance Leases Portfolio Segment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	111,446		0
Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss	$ 858,538		$ 973,645
Commercial and industrial | Premier Financial Bancorp, Inc.
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss		132,293
Business Combination, Acquired Receivable, Fair Value		$ 127,880