Deposits (Schedule of Time Certifcates of Deposit Maturities) (Details) - USD ($) $ in Thousands		Dec. 31, 2018	Dec. 31, 2017
Schedule Maturity Abstract]
Time Deposits Scheduled Maturity, Next Twelve Months		$ 688,862
Time Deposits Scheduled Maturity, Year Two		350,963
Time Deposits Scheduled Maturity, Year Three		76,248
Time Deposits Scheduled Maturity, Year Four		102,934
Time Deposits Scheduled Maturity, Year Five		35,872
Time Deposits Scheduled Maturity, Thereafter		229
Time deposits	[1]	$ 1,255,108	$ 1,015,095
Weighted Average Rate [Abstract]
Time Deposits Weighted Average Rate, Next Twelve Months		1.78%
Time Deposits Weighted Average Rate, Year Two		2.14%
Time Deposits Weighted Average Rate, Year Three		2.04%
Time Deposits Weighted Average Rate, Year Four		2.43%
Time Deposits Weighted Average Rate, Year Five		1.96%
Time Deposits Weighted Average Rate, Thereafter		1.14%
Total Time Deposits Weighted Average Rate		1.95%

[1] Includes wholesale brokered time deposits.