Fair Value (Details) - Carrying Value of Mortgage Servicing Rights - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Servicing Asset at Fair Value, Amount [Roll Forward]
Beginning balance		$ 5,022	$ 1,773	$ 1,853	$ 1,728
Additions from acquisition		0	0	3,092	0
New MSRs		162	98	347	243
(Losses) gains included in earnings:
Changes in valuation inputs and assumptions	[1]	(132)	12	(172)	(39)
Other changes in fair value	[1],[2]	(114)	(63)	(182)	(112)
Ending balance		4,938	1,820	4,938	1,820
Contractual servicing fees earned	[1]	$ 366	$ 135	$ 549	$ 268

[1] Included in mortgage banking income in the Condensed Consolidated Statements of Income and related to assets held as of June 30, 2016 and 2015.

[2] Primarily represents changes in expected future cash flows due to payoffs and paydowns.