Statements of Cash Flows (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Statement of cash flows specific transaction amounts [Abstract]
Income taxes paid		$ 376	$ 351
Interest expense paid on deposits and borrowings		4,986	4,428
Noncash transfers from loans to other real estate	[1]	$ 3,608	$ 7,753

[1] Includes transfers from covered loans to covered other real estate.