Securities (Details) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019 USD ($) Security	Jun. 30, 2018 USD ($)	Jun. 30, 2019 USD ($) Security	Jun. 30, 2018 USD ($)	Dec. 31, 2018 USD ($)
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	$ 426,458		$ 426,458		$ 433,224
Unrealized Gains	4,922		4,922		1,520
Unrealized Losses	1,075		1,075		6,818
Fair Value	430,305		430,305		427,926
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	56,960		56,960		131,526
Less Than Twelve Months, Unrealized Losses	230		230		1,112
Twelve Months or More, Fair Value	91,402		91,402		184,420
Twelve Months or More, Unrealized Losses	845		845		5,706
Total, Fair Value	148,362		148,362		315,946
Total, Unrealized Losses	1,075		1,075		6,818
Private Label Mortgage Backed Securities Below Investment Grade [Abstract]
Fair value	1,430		1,430
Amortized cost	1,116		1,116
Non-credit unrealized loss	0		0
Unrealized gain	314		314
Cumulative credit related OTTI	1,594		1,594
Credit related OTTI recognized in earnings	0	$ 0	0	$ 0
Other than Temporary Impairment, Credit Losses Recognized in Earnings [Roll Forward]
Balance at beginning of period	1,594	1,594	1,594	1,594
Additions to credit losses on securities for which no previous OTTI was recognized	0	0	0	0
Increases to credit losses on securities for which OTTI was previously recognized	0	0	0	0
Balance at end of period	1,594	$ 1,594	1,594	$ 1,594
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Maturing within one year	13,478		13,478
Maturing after one year but within five years	55,186		55,186
Maturing after five years but within ten years	50,659		50,659
Maturing after ten years	38,286		38,286
Amortized cost	157,609		157,609
U.S. agency residential mortgage-backed	135,853		135,853
U.S. agency commercial mortgage-backed	12,183		12,183
Private label mortgage-backed	29,617		29,617
Other asset backed	91,196		91,196
Amortized cost	426,458		426,458		433,224
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Maturing within one year	13,481		13,481
Maturing after one year but within five years	55,754		55,754
Maturing after five years but within ten years	51,759		51,759
Maturing after ten years	38,776		38,776
Total available-for-sale securities fair value	159,770		159,770
U.S. agency residential mortgage-backed	137,017		137,017
U.S. agency commercial mortgage-backed	12,238		12,238
Private label mortgage-backed	30,129		30,129
Other asset backed	91,151		91,151
Total	430,305		430,305		427,926
U.S. Agency [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	16,997		16,997		20,198
Unrealized Gains	200		200		9
Unrealized Losses	14		14		193
Fair Value	17,183		17,183		20,014
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	0		0		7,150
Less Than Twelve Months, Unrealized Losses	0		0		46
Twelve Months or More, Fair Value	4,427		4,427		11,945
Twelve Months or More, Unrealized Losses	14		14		147
Total, Fair Value	4,427		4,427		19,095
Total, Unrealized Losses	$ 14		$ 14		193
Number of securities with market fair value less than amortized cost | Security	22		22
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 16,997		$ 16,997		20,198
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	17,183		17,183		20,014
U.S. Agency Residential Mortgage-Backed [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	135,853		135,853		124,777
Unrealized Gains	1,541		1,541		817
Unrealized Losses	377		377		1,843
Fair Value	137,017		137,017		123,751
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	5,109		5,109		18,374
Less Than Twelve Months, Unrealized Losses	11		11		180
Twelve Months or More, Fair Value	36,367		36,367		48,184
Twelve Months or More, Unrealized Losses	366		366		1,663
Total, Fair Value	41,476		41,476		66,558
Total, Unrealized Losses	$ 377		$ 377		1,843
Number of securities with market fair value less than amortized cost | Security	104		104
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 135,853		$ 135,853		124,777
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	137,017		137,017		123,751
U.S. Agency Commercial Mortgage-Backed [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	12,183		12,183		5,909
Unrealized Gains	99		99		1
Unrealized Losses	44		44		184
Fair Value	12,238		12,238		5,726
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	0		0		566
Less Than Twelve Months, Unrealized Losses	0		0		3
Twelve Months or More, Fair Value	4,322		4,322		5,094
Twelve Months or More, Unrealized Losses	44		44		181
Total, Fair Value	4,322		4,322		5,660
Total, Unrealized Losses	$ 44		$ 44		184
Number of securities with market fair value less than amortized cost | Security	9		9
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 12,183		$ 12,183		5,909
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	12,238		12,238		5,726
Private Label Mortgage-Backed [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	29,617		29,617		29,735
Unrealized Gains	588		588		321
Unrealized Losses	76		76		637
Fair Value	30,129		30,129		29,419
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	2,682		2,682		8,273
Less Than Twelve Months, Unrealized Losses	3		3		57
Twelve Months or More, Fair Value	3,273		3,273		16,145
Twelve Months or More, Unrealized Losses	73		73		580
Total, Fair Value	5,955		5,955		24,418
Total, Unrealized Losses	$ 76		$ 76		637
Number of securities with market fair value less than amortized cost | Security	11		11
Private Label Mortgage Backed Securities Below Investment Grade [Abstract]
Number of private label mortgage backed securities complete recovery of cost basis | Security	2		2
Number of private label mortgage backed securities currently with OTTI unrealized gains | Security	3		3
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 29,617		$ 29,617		29,735
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	30,129		30,129		29,419
Senior Security [Member]
Private Label Mortgage Backed Securities Below Investment Grade [Abstract]
Fair value	713		713
Amortized cost	595		595
Non-credit unrealized loss	0		0
Unrealized gain	118		118
Cumulative credit related OTTI	757		757
Super Senior Security [Member]
Private Label Mortgage Backed Securities Below Investment Grade [Abstract]
Fair value	700		700
Amortized cost	521		521
Non-credit unrealized loss	0		0
Unrealized gain	179		179
Cumulative credit related OTTI	457		457
Senior Support Security [Member]
Private Label Mortgage Backed Securities Below Investment Grade [Abstract]
Fair value	17		17
Amortized cost	0		0
Non-credit unrealized loss	0		0
Unrealized gain	17		17
Cumulative credit related OTTI	380		380
Other Asset Backed [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	91,196		91,196		83,481
Unrealized Gains	186		186		86
Unrealized Losses	231		231		248
Fair Value	91,151		91,151		83,319
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	38,729		38,729		53,043
Less Than Twelve Months, Unrealized Losses	140		140		160
Twelve Months or More, Fair Value	9,794		9,794		10,235
Twelve Months or More, Unrealized Losses	91		91		88
Total, Fair Value	48,523		48,523		63,278
Total, Unrealized Losses	$ 231		$ 231		248
Number of securities with market fair value less than amortized cost | Security	65		65
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 91,196		$ 91,196		83,481
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	91,151		91,151		83,319
Obligations of States and Political Subdivisions [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	103,652		103,652		130,244
Unrealized Gains	1,378		1,378		257
Unrealized Losses	203		203		2,946
Fair Value	104,827		104,827		127,555
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	9,211		9,211		25,423
Less Than Twelve Months, Unrealized Losses	15		15		262
Twelve Months or More, Fair Value	27,595		27,595		80,701
Twelve Months or More, Unrealized Losses	188		188		2,684
Total, Fair Value	36,806		36,806		106,124
Total, Unrealized Losses	$ 203		$ 203		2,946
Number of securities with market fair value less than amortized cost | Security	86		86
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 103,652		$ 103,652		130,244
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	104,827		104,827		127,555
Corporate [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	32,964		32,964		34,866
Unrealized Gains	929		929		29
Unrealized Losses	11		11		586
Fair Value	33,882		33,882		34,309
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	288		288		17,758
Less Than Twelve Months, Unrealized Losses	1		1		343
Twelve Months or More, Fair Value	3,188		3,188		9,222
Twelve Months or More, Unrealized Losses	10		10		243
Total, Fair Value	3,476		3,476		26,980
Total, Unrealized Losses	$ 11		$ 11		586
Number of securities with market fair value less than amortized cost | Security	5		5
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 32,964		$ 32,964		34,866
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	33,882		33,882		34,309
Trust Preferred [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	1,966		1,966		1,964
Unrealized Gains	0		0		0
Unrealized Losses	115		115		145
Fair Value	1,851		1,851		1,819
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	941		941		939
Less Than Twelve Months, Unrealized Losses	60		60		61
Twelve Months or More, Fair Value	910		910		880
Twelve Months or More, Unrealized Losses	55		55		84
Total, Fair Value	1,851		1,851		1,819
Total, Unrealized Losses	$ 115		$ 115		145
Number of securities with market fair value less than amortized cost | Security	2		2
Number of issues rated as investment grade | Security	1		1
Number of securities not rated | Security	1		1
Non-rated securities, amortized cost	$ 1,000		$ 1,000
Fair value of non-rated trust preferred securities	940		940
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	1,966		1,966		1,964
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	1,851		1,851		1,819
Foreign Government [Member]
Available-for-sale Securities, Amortized Cost Basis [Abstract]
Amortized cost	2,030		2,030		2,050
Unrealized Gains	1		1		0
Unrealized Losses	4		4		36
Fair Value	2,027		2,027		2,014
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value [Abstract]
Less Than Twelve Months, Fair Value	0		0		0
Less Than Twelve Months, Unrealized Losses	0		0		0
Twelve Months or More, Fair Value	1,526		1,526		2,014
Twelve Months or More, Unrealized Losses	4		4		36
Total, Fair Value	1,526		1,526		2,014
Total, Unrealized Losses	$ 4		$ 4		36
Number of securities with market fair value less than amortized cost | Security	1		1
Available-for-sale Securities, Debt Maturities, Amortized Cost Basis, Fiscal Year Maturity [Abstract]
Amortized cost	$ 2,030		$ 2,030		2,050
Available-for-sale Securities, Debt Maturities, Fair Value, Fiscal Year Maturity [Abstract]
Total	$ 2,027		$ 2,027		$ 2,014