Business and Summary of Significant Accounting Policies (Details) - USD ($)		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019	Jan. 01, 2018	Dec. 31, 2016
Accounting Policy [Line Items]
Equity Method Investment, Ownership Percentage		100.00%
Financing Receivable, Individually Evaluated for Impairment		$ 4,478,000	$ 6,926,000	$ 13,590,000
Goodwill impairment		$ 0	0	0
BOLI single carrier percentage of Tier I capital		15.00%
BOLI CSV percentage of Tier I Capital		25.00%
Debt Securities, Held-to-maturity, Transfer, Amount			92,000,000
Number of Reporting Unit Levels		1
Operating Lease, Right-of-Use Asset		$ 13,002,000
Operating lease liabilities	[1]	13,059,000
Financing Receivable, Allowance for Credit Losses		25,171,000	$ 24,712,000	$ 24,171,000			$ 23,116,000
Minimum [Member]
Accounting Policy [Line Items]
Financing Receivable, Individually Evaluated for Impairment		$ 500,000
ASU 2016-02
Accounting Policy [Line Items]
Cumulative-effect adjustment					$ (254,000)
Operating Lease, Right-of-Use Asset					12,100,000
Operating lease liabilities					12,300,000
Retained Earnings | ASU 2016-01
Accounting Policy [Line Items]
Cumulative-effect adjustment						$ (198,000)
Retained Earnings | ASU 2016-02
Accounting Policy [Line Items]
Cumulative-effect adjustment					$ (254,000)
AOCI | ASU 2016-01
Accounting Policy [Line Items]
Cumulative-effect adjustment						$ 198,000

[1] (2) Reflects the liability reported within other liabilities on the consolidated statements of condition.