Recurring and Nonrecurring basis (Details) - USD ($) $ in Thousands		Dec. 31, 2020	Dec. 31, 2019
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Trading		$ 2,838	$ 2,179
Equity Securities, FV-NI		22,107	21,261
Debt Securities, Available-for-sale		412,860	426,424
US Government Agencies Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		24,116	33,115
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		233,629	247,000
Pooled Trust Preferred Securities Issued By Banks And Insurers [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		1,056	1,114
Small Business Administration Pooled Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		61,081	54,795
Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Trading		2,838	2,179
Assets and liabilities measured at fair value on a recurring basis
Assets and Liabilities Fair Value Disclosure Recurring		549,244	507,633
Fair Value, Recurring [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, FV-NI		22,107	21,261
Fair Value, Recurring [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		24,116	33,115
Fair Value, Recurring [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		233,629	247,000
Fair Value, Recurring [Member] | Collateralized Mortgage Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		91,683	88,511
Fair Value, Recurring [Member] | Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		807	1,396
Fair Value, Recurring [Member] | Single Issuer Trust Preferred Securities Issued By Banks [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		488	493
Fair Value, Recurring [Member] | Pooled Trust Preferred Securities Issued By Banks And Insurers [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		1,056	1,114
Fair Value, Recurring [Member] | Small Business Administration Pooled Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		61,081	54,795
Fair Value, Recurring [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Held-for-sale, Fair Value Disclosure		58,104	33,307
Fair Value, Recurring [Member] | Derivative Financial Instruments, Assets [Member]
Assets and liabilities measured at fair value on a recurring basis
Total		187,399	78,385
Fair Value, Recurring [Member] | Derivative Financial Instruments, Liabilities [Member]
Assets and liabilities measured at fair value on a recurring basis
Financial and Nonfinancial Liabilities, Fair Value Disclosure		134,064	53,923
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Trading		2,838	2,179
Assets and liabilities measured at fair value on a recurring basis
Assets and Liabilities Fair Value Disclosure Recurring		24,945	23,440
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, FV-NI		22,107	21,261
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale			0
Fair Value, Recurring [Member] | Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Small Business Administration Pooled Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		0	0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets and Liabilities Fair Value Disclosure Recurring		523,243	483,079
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, FV-NI		0	0
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | US Government Agencies Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		24,116	33,115
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		233,629	247,000
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Collateralized Mortgage Obligations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		91,683	88,511
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		807	1,396
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Single Issuer Trust Preferred Securities Issued By Banks [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		488	493
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Small Business Administration Pooled Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		61,081	54,795
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Disposal Group, Held-for-sale, Not Discontinued Operations [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Held-for-sale, Fair Value Disclosure		58,104	33,307
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivative Financial Instruments, Assets [Member]
Assets and liabilities measured at fair value on a recurring basis
Total			78,385
Fair Value, Recurring [Member] | Significant Other Observable Inputs (Level 2) [Member] | Derivative Financial Instruments, Liabilities [Member]
Assets and liabilities measured at fair value on a recurring basis
Financial and Nonfinancial Liabilities, Fair Value Disclosure		134,064	53,923
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets and Liabilities Fair Value Disclosure Recurring		1,056	1,114
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Equity Securities, FV-NI		0	0
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Municipal Bonds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale			0
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Pooled Trust Preferred Securities Issued By Banks And Insurers [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		1,056	1,114
Fair Value, Recurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Small Business Administration Pooled Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Debt Securities, Available-for-sale		0	0
Fair Value, Nonrecurring [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets And Liabilities Fair Value Disclosure Nonrecurring		31,510	25,515
Fair Value, Nonrecurring [Member] | Collateral Dependent Loans [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets, Fair Value Disclosure		31,510
Fair Value, Nonrecurring [Member] | COLLATERAL DEPENDENT IMPAIRED LOANS [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets, Fair Value Disclosure	[1]		25,515
Fair Value, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets And Liabilities Fair Value Disclosure Nonrecurring		31,510	25,515
Fair Value, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | Collateral Dependent Loans [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets, Fair Value Disclosure	[1]	$ 31,510
Fair Value, Nonrecurring [Member] | Significant Unobservable Inputs (Level 3) [Member] | COLLATERAL DEPENDENT IMPAIRED LOANS [Member]
Assets and liabilities measured at fair value on a recurring basis
Assets, Fair Value Disclosure			$ 25,515

[1] Fair value is generally determined through independent appraisals of the underlying collateral, which generally include various Level 3 inputs which are not identifiable. Appraisals may be adjusted by management for qualitative factors such as economic factors and estimated liquidation expenses. The range of these possible adjustments may vary.