Consolidated Condensed Statements of Comprehensive Income - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2018	Mar. 31, 2017
Net income		$ 11,737	$ 5,140
Other comprehensive income (loss):
Unrealized gains (losses) on securities available for sale		(3,557)	1,580
Reclassification adjustment for security gains included in net income	[1]	0	0
Income tax expense (benefit)		747	(553)
Other comprehensive income (loss)		(2,810)	1,027
Unrealized gains (losses) on securities available for sale
Comprehensive income		$ 8,927	$ 6,167

[1] Amounts are included in gains on sale or call of securities on the consolidated condensed statements of income. Income tax expense associated with the reclassification adjustments, included in federal income taxes, for the three months ended March 31, 2018 and 2017 was $0 and $0, respectively.