Investment Securities, Amortized Cost and Fair Value (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Debt Securities, Available-for-Sale:
Amortized Cost	$ 198,615	$ 244,283
Unrealized Gains	944	186
Unrealized Losses	899	6,048
Fair Value	198,660	238,421
Debt Securities, Held-to-Maturity:
Amortized Cost	33,343	29,721
Unrealized Gains	230	84
Unrealized Losses	30	781
Fair Value	33,543	29,024
Equity Securities, Amortized Cost Basis	2,137	2,122
Equity securities with a readily determinable fair value, at fair value	2,246	2,078
U.S. Treasury notes [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	2,275	2,278
Unrealized Gains	28	0
Unrealized Losses	0	43
Fair Value	2,303	2,235
U.S. Agency notes [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	77,915	80,708
Unrealized Gains	204	0
Unrealized Losses	292	2,368
Fair Value	77,827	78,340
U.S. Agency mortgage-backed securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	62,283	57,584
Unrealized Gains	297	7
Unrealized Losses	441	1,981
Fair Value	62,139	55,610
Debt Securities, Held-to-Maturity:
Amortized Cost	0
Fair Value	0
Non-taxable Municipal securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	39,927	86,059
Unrealized Gains	131	77
Unrealized Losses	155	1,422
Fair Value	39,903	84,714
Debt Securities, Held-to-Maturity:
Amortized Cost	26,065	26,021
Unrealized Gains	105	84
Unrealized Losses	30	635
Fair Value	26,140	25,470
Taxable Municipal securities [Member]
Debt Securities, Available-for-Sale:
Amortized Cost	16,215	17,654
Unrealized Gains	284	102
Unrealized Losses	11	234
Fair Value	16,488	17,522
Debt Securities, Held-to-Maturity:
Amortized Cost	7,278	3,700
Unrealized Gains	125	0
Unrealized Losses	0	146
Fair Value	7,403	3,554
Mutual funds [Member]
Debt Securities, Held-to-Maturity:
Equity Securities, Amortized Cost Basis	1,356	1,651
Equity securities with a readily determinable fair value, at fair value	1,324	1,559
Equity securities [Member]
Debt Securities, Held-to-Maturity:
Equity Securities, Amortized Cost Basis	781	471
Equity securities with a readily determinable fair value, at fair value	$ 922	$ 519

Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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