Investment Securities (Gross Unrealized Losses and Fair Value by Length of Continuous Unrealized Loss Position) (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	$ 26,461	$ 15,060
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	63	271
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	48,150	132,266
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	330	3,861
Available-for-sale securities, continuous unrealized loss position, fair value	74,611	147,326
Available-for-sale securities, continuous unrealized loss position, unrealized losses	393	4,132
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	6,922	2,968
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	78	32
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value		1,617
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses		25
Held-to-maturity securities, continuous unrealized loss position, fair value	6,922	4,585
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	78	57
Mortgage Backed [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	17,476	13,981
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	48	261
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	23,296	99,904
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	264	3,220
Available-for-sale securities, continuous unrealized loss position, fair value	40,772	113,885
Available-for-sale securities, continuous unrealized loss position, unrealized losses	312	3,481
U.S. Government Agencies [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale securities, continuous unrealized loss position, less than 12 months, fair value	8,985	1,079
Available-for-sale securities, continuous unrealized loss position, less than 12 Months, unrealized losses	15	10
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, fair value	24,854	32,362
Available-for-sale securities, continuous unrealized loss position, more than 12 Months, unrealized losses	66	641
Available-for-sale securities, continuous unrealized loss position, fair value	33,839	33,441
Available-for-sale securities, continuous unrealized loss position, unrealized losses	81	651
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, fair value		1,617
Held-to-maturity securities, continuous unrealized loss position, more than 12 Months, unrealized losses		25
Held-to-maturity securities, continuous unrealized loss position, fair value		1,617
Held-to-maturity securities, continuous unrealized loss position, unrealized losses		25
Other Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, fair value	6,922	2,968
Held-to-maturity securities, continuous unrealized loss position, less than 12 Months, unrealized losses	78	32
Held-to-maturity securities, continuous unrealized loss position, fair value	6,922	2,968
Held-to-maturity securities, continuous unrealized loss position, unrealized losses	$ 78	$ 32