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Fair Value (Measured on a Recurring Basis) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	$ 54,927	$ 20,885
Interest rate swaps
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	54,927	20,885
Fair Value, Recurring [Member] | Interest rate swaps
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	54,927	20,885
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	0	0
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	54,927	20,885
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Interest rate swaps	0	0
Fair Value, Recurring [Member] | Interest rate swaps
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	49,377	18,346
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	49,377	18,346
Fair Value, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | U.S. government agency securities - government-sponsored enterprises
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	22,629	23,758
Fair Value, Recurring [Member] | U.S. government agency securities - government-sponsored enterprises | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | U.S. government agency securities - government-sponsored enterprises | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	22,629	23,758
Fair Value, Recurring [Member] | U.S. government agency securities - government-sponsored enterprises | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Municipal securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	24,779	160
Fair Value, Recurring [Member] | Municipal securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Municipal securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	24,779	160
Fair Value, Recurring [Member] | Municipal securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Other securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	2,279	2,235
Fair Value, Recurring [Member] | Other securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Other securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	2,279	2,235
Fair Value, Recurring [Member] | Other securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | GNMA | Residential mortgage backed securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	10,403	16,348
Fair Value, Recurring [Member] | GNMA | Residential mortgage backed securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | GNMA | Residential mortgage backed securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	10,403	16,348
Fair Value, Recurring [Member] | GNMA | Residential mortgage backed securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | GNMA | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	5,464	6,663
Fair Value, Recurring [Member] | GNMA | Commercial mortgage backed securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | GNMA | Commercial mortgage backed securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	5,464	6,663
Fair Value, Recurring [Member] | GNMA | Commercial mortgage backed securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Government sponsored enterprises | Residential mortgage backed securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	105,006	112,002
Fair Value, Recurring [Member] | Government sponsored enterprises | Residential mortgage backed securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Government sponsored enterprises | Residential mortgage backed securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	105,006	112,002
Fair Value, Recurring [Member] | Government sponsored enterprises | Residential mortgage backed securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Government sponsored enterprises | Commercial mortgage backed securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	13,365	11,967
Fair Value, Recurring [Member] | Government sponsored enterprises | Commercial mortgage backed securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Fair Value, Recurring [Member] | Government sponsored enterprises | Commercial mortgage backed securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	13,365	11,967
Fair Value, Recurring [Member] | Government sponsored enterprises | Commercial mortgage backed securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	$ 0	$ 0

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Fair Value, Assets and Liabilities Measured on a Recurring Basis [Line Items]

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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