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Fair Value Disclosures (Measured on a Recurring Basis) (Details) - Fair value on a recurring basis - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Interest rate swaps
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Derivative Liability	$ 9,430	$ 4,779
Interest rate swaps | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Derivative Liability	0	0
Interest rate swaps | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Derivative Liability	9,430	4,779
Interest rate swaps | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Derivative Liability	0	0
Interest rate swaps
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	8,337	4,637
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
Interest rate swaps | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	8,337	4,637
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
U.S. government agency securities - government-sponsored enterprises
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	994	990
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
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	994	990
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
Municipal securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	5,820	5,886
Municipal securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Municipal securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	5,820	5,886
Municipal securities | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Mortgage backed securities - government issued
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	40,123	19,628
Mortgage backed securities - government issued | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Mortgage backed securities - government issued | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	40,123	19,628
Mortgage backed securities - government issued | Fair Value Measurements - Level 3 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Mortgage backed securities - government-sponsored enterprises
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	107,676	109,478
Mortgage backed 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
Mortgage backed securities - government-sponsored enterprises | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	107,676	109,478
Mortgage backed 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
Other securities
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	2,170	2,376
Other securities | Fair Value Measurements - Level 1 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	0	0
Other securities | Fair Value Measurements - Level 2 Inputs
Fair Value, Assets and Liabilities Measured on a Recurring Basis
Assets, Fair Value Disclosure	2,170	2,376
Other 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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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

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.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

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