Regulatory Matters (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Bancorp
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital, Actual, Amount	$ 319,317	$ 305,224
Total Capital (to risk-weighted assets), Actual, Ratio	15.07%	14.93%
Total Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 222,430	$ 201,943
Total Capital (to risk-weighted assets), Minimum Capital for Capital Adequacy Purposes, Ratio	10.50%	9.875%
Total Capital, Minimum Capital to be Well Capitalized, Amount	$ 211,838	$ 204,499
Total Capital (to risk-weighted assets), Minimum to be Well Capitalized, Ratio	10.00%	10.00%
Tier 1 Risk Based Capital, Actual, Amount	$ 301,553	$ 288,445
Tier 1 Risk Based Capital (to risk-weighted assets), Actual, Ratio	14.24%	14.10%
Tier 1 Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 180,063	$ 161,043
Tier 1 Risk Based Capital (to risk-weighted assets), Minimum Capital for Capital Adequacy Purposes, Ratio	8.50%	7.875%
Tier 1 Risk Based Capital, Minimum Capital to be Well Capitalized, Amount	$ 169,471	$ 163,599
Tier 1 Risk Based Capital (to risk-weighted assets), Minimum Capital to be Well Capitalized, Ratio	8.00%	8.00%
Tier 1 Leverage Capital, Amount, Actual	$ 301,553	$ 288,445
Tier 1 Leverage Capital (to average assets), Actual, Ratio	11.66%	11.54%
Tier 1 Leverage Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 103,489	$ 100,011
Tier 1 Leverage Capital (to average assets), Minimum Capital for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Tier 1 Leverage Capital, Actual, Amount	$ 129,361	$ 125,013
Tier 1 Leverage Capital (to average assets), Minimum Capital to be Well Capitalized, Ratio	5.00%	5.00%
Tier 1 Common Equity	$ 298,845	$ 285,805
Tier 1 Common Equity To Average Assets	14.11%	13.98%
Tier 1 Common Equity Required for Capital Adequacy	$ 148,287	$ 130,368
Tier 1 Common Equity Required for Capital Adequacy to Average Assets	7.00%	6.375%
Tier 1 Common Equity Required to be Well Capitalized	$ 137,695	$ 132,925
Tier 1 Common Equity Required to be Well Capitalized to Average Assets	6.50%	6.50%
The Bank
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items]
Total Capital, Actual, Amount	$ 309,875	$ 285,969
Total Capital (to risk-weighted assets), Actual, Ratio	14.63%	13.98%
Total Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 222,437	$ 201,927
Total Capital (to risk-weighted assets), Minimum Capital for Capital Adequacy Purposes, Ratio	10.50%	9.875%
Total Capital, Minimum Capital to be Well Capitalized, Amount	$ 211,844	$ 204,483
Total Capital (to risk-weighted assets), Minimum to be Well Capitalized, Ratio	10.00%	10.00%
Tier 1 Risk Based Capital, Actual, Amount	$ 292,111	$ 269,191
Tier 1 Risk Based Capital (to risk-weighted assets), Actual, Ratio	13.79%	13.16%
Tier 1 Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 180,068	$ 161,031
Tier 1 Risk Based Capital (to risk-weighted assets), Minimum Capital for Capital Adequacy Purposes, Ratio	8.50%	7.875%
Tier 1 Risk Based Capital, Minimum Capital to be Well Capitalized, Amount	$ 169,476	$ 163,587
Tier 1 Risk Based Capital (to risk-weighted assets), Minimum Capital to be Well Capitalized, Ratio	8.00%	8.00%
Tier 1 Leverage Capital, Amount, Actual	$ 292,111	$ 269,191
Tier 1 Leverage Capital (to average assets), Actual, Ratio	11.29%	10.77%
Tier 1 Leverage Capital, Minimum Capital for Capital Adequacy Purposes, Amount	$ 103,488	$ 99,994
Tier 1 Leverage Capital (to average assets), Minimum Capital for Capital Adequacy Purposes, Ratio	4.00%	4.00%
Tier 1 Leverage Capital, Actual, Amount	$ 129,360	$ 124,992
Tier 1 Leverage Capital (to average assets), Minimum Capital to be Well Capitalized, Ratio	5.00%	5.00%
Tier 1 Common Equity	$ 292,111	$ 269,191
Tier 1 Common Equity To Average Assets	13.79%	13.16%
Tier 1 Common Equity Required for Capital Adequacy	$ 148,291	$ 130,358
Tier 1 Common Equity Required for Capital Adequacy to Average Assets	7.00%	6.375%
Tier 1 Common Equity Required to be Well Capitalized	$ 137,699	$ 132,914
Tier 1 Common Equity Required to be Well Capitalized to Average Assets	6.50%	6.50%

Tier One Common Equity

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Tier One Common Equity Required for Capital Adequacy to Average Assets

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Tier One Common Equity Required to be Well Capitalized

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Tier One Common Equity To Average Assets

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The amount of total capital as defined in the regulations.

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The minimum amount of Total Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The minimum Total risk based capital ratio (total capital divided by risk weighted assets) required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Total Capital required to be categorized as well as capitalized under the regulatory framework for prompt corrective action.

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The Total risk based capital ratio (total capital divided by risk weighted assets) required to be categorized as "well capitalized", in the regulatory framework for prompt corrective action.

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Total Capital divided by risk weighted assets as defined in the regulations.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Tier 1 Leverage Capital as defined in the regulations. Also called Core Capital.

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The minimum amount of Tier 1 Leverage Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Leverage Capital required to be categorized as well capitalized divided by average assets as defined in the regulatory framework for prompt corrective action.

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Tier 1 Leverage Capital divided by average assets as defined in the regulations.

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Tier 1 Risk Based Capital as defined in the regulations.

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The minimum amount of Tier 1 Risk Based Capital required for capital adequacy purposes under the regulatory framework for prompt corrective action.

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The amount of Tier 1 Risk Based Capital required to be categorized as well capitalized under the regulatory framework for prompt corrective action.

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The Tier 1 capital ratio (Tier 1 capital divided by risk weighted assets) required to be categorized as "well capitalized" under the regulatory framework for prompt corrective action.

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Tier 1 capital divided by risk weighted assets as defined by regulations.

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