Fair Value (Fair Value Measurements of Assets and Liabilities) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financial assets:
Securities available-for-sale	$ 230,671	$ 180,905
Recurring
Financial assets:
Securities available-for-sale	230,671	180,905
Loans held for sale	18,305	13,889
Total assets at fair value	268,027	203,831
Total liabilities at fair value	15,117
Recurring | Residential real estate
Financial assets:
Loans measured at fair value	3,712	4,063
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Loans held for sale	0	0
Total assets at fair value	0	0
Total liabilities at fair value	0
Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential real estate
Financial assets:
Loans measured at fair value	0	0
Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	228,861	180,905
Loans held for sale	18,305	13,889
Total assets at fair value	262,505	199,768
Total liabilities at fair value	15,117
Recurring | Significant Other Observable Inputs (Level 2) | Residential real estate
Financial assets:
Loans measured at fair value	0	0
Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	1,810	0
Loans held for sale	0	0
Total assets at fair value	5,522	4,063
Total liabilities at fair value	0
Recurring | Significant Unobservable Inputs (Level 3) | Residential real estate
Financial assets:
Loans measured at fair value	3,712	4,063
U.S. government sponsored entities & agencies
Financial assets:
Securities available-for-sale	9,775
U.S. government sponsored entities & agencies | Recurring
Financial assets:
Securities available-for-sale	9,775
U.S. government sponsored entities & agencies | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0
U.S. government sponsored entities & agencies | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	9,775
U.S. government sponsored entities & agencies | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0
State and political subdivision
Financial assets:
Securities available-for-sale	127,680	93,747
State and political subdivision | Recurring
Financial assets:
Securities available-for-sale	127,680	93,747
State and political subdivision | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
State and political subdivision | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	125,870	93,747
State and political subdivision | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	1,810	0
Mortgage-backed securities: residential
Financial assets:
Securities available-for-sale	10,294	10,565
Mortgage-backed securities: residential | Recurring
Financial assets:
Securities available-for-sale	10,294	10,565
Mortgage-backed securities: residential | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Mortgage-backed securities: residential | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	10,294	10,565
Mortgage-backed securities: residential | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Mortgage-backed securities: commercial
Financial assets:
Securities available-for-sale	9,133	8,779
Mortgage-backed securities: commercial | Recurring
Financial assets:
Securities available-for-sale	9,133	8,779
Mortgage-backed securities: commercial | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Mortgage-backed securities: commercial | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	9,133	8,779
Mortgage-backed securities: commercial | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Collateralized mortgage obligations: residential
Financial assets:
Securities available-for-sale	8,056	8,529
Collateralized mortgage obligations: residential | Recurring
Financial assets:
Securities available-for-sale	8,056	8,529
Collateralized mortgage obligations: residential | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Collateralized mortgage obligations: residential | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	8,056	8,529
Collateralized mortgage obligations: residential | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Collateralized mortgage obligations: commercial
Financial assets:
Securities available-for-sale	30,061	23,181
Collateralized mortgage obligations: commercial | Recurring
Financial assets:
Securities available-for-sale	30,061	23,181
Collateralized mortgage obligations: commercial | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Collateralized mortgage obligations: commercial | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	30,061	23,181
Collateralized mortgage obligations: commercial | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
U.S. Treasury
Financial assets:
Securities available-for-sale	1,010	1,999
U.S. Treasury | Recurring
Financial assets:
Securities available-for-sale	1,010	1,999
U.S. Treasury | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
U.S. Treasury | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	1,010	1,999
U.S. Treasury | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
SBA
Financial assets:
Securities available-for-sale	20,562	21,984
SBA | Recurring
Financial assets:
Securities available-for-sale	20,562	21,984
SBA | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
SBA | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	20,562	21,984
SBA | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Asset backed securities
Financial assets:
Securities available-for-sale	9,613	10,084
Asset backed securities | Recurring
Financial assets:
Securities available-for-sale	9,613	10,084
Asset backed securities | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Asset backed securities | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	9,613	10,084
Asset backed securities | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Corporate bonds
Financial assets:
Securities available-for-sale	4,487	2,037
Corporate bonds | Recurring
Financial assets:
Securities available-for-sale	4,487	2,037
Corporate bonds | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Securities available-for-sale	0	0
Corporate bonds | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Securities available-for-sale	4,487	2,037
Corporate bonds | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Securities available-for-sale	0	0
Customer-initiated derivatives | Recurring
Financial assets:
Derivative asset	13,551	4,684
Derivative liabilities	13,551	4,684
Customer-initiated derivatives | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Derivative asset	0	0
Derivative liabilities	0	0
Customer-initiated derivatives | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Derivative asset	13,551	4,684
Derivative liabilities	13,551	4,684
Customer-initiated derivatives | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Derivative asset	0	0
Derivative liabilities	0	0
Forward contracts related to mortgage loans to be delivered for sale | Recurring
Financial assets:
Derivative asset	5	34
Derivative liabilities	1,566	33
Forward contracts related to mortgage loans to be delivered for sale | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Derivative asset	0	0
Derivative liabilities	0	0
Forward contracts related to mortgage loans to be delivered for sale | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Derivative asset	5	34
Derivative liabilities	1,566	33
Forward contracts related to mortgage loans to be delivered for sale | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Derivative asset	0	0
Derivative liabilities	0	0
Interest rate lock commitments | Recurring
Financial assets:
Derivative asset	1,783	256
Total liabilities at fair value		4,717
Interest rate lock commitments | Recurring | Quoted Prices in Active Markets for Identical Assets (Level 1)
Financial assets:
Derivative asset	0	0
Total liabilities at fair value		0
Interest rate lock commitments | Recurring | Significant Other Observable Inputs (Level 2)
Financial assets:
Derivative asset	1,783	256
Total liabilities at fair value		4,717
Interest rate lock commitments | Recurring | Significant Unobservable Inputs (Level 3)
Financial assets:
Derivative asset	$ 0	0
Total liabilities at fair value		$ 0