Loans - Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Movement Schedule Rollforward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Certain Loans Acquired in Transfer Accounted for as Debt Securities, Accretable Yield Movement Schedule [Roll Forward]
Balance, beginning of period	$ 13,782	$ 15,323	$ 13,375	$ 15,623
Accretion	(1,473)	(2,607)	(3,146)	(4,744)
Adjustment for payoffs	(253)	(1,107)	(715)	(1,719)
Adjustment for charge-offs	(79)	(373)	(255)	(924)
Increase/(decrease) in accretable yield	(54)	3,481	2,664	6,659
Disposal	0	(214)	0	(240)
Other	(323)	(29)	(323)	(181)
Balance, end of period	$ 11,600	$ 14,474	$ 11,600	$ 14,474