Acquisitions (Tables)

12 Months Ended

Dec. 31, 2015

Business Acquisition [Line Items]

Schedule of Recognized Identifiable Assets Acquired and Liabilities Assumed

	Absarokee		MWFC
	July 24, 2015		July 31, 2014
Assets acquired:
Cash and cash equivalents	$	5,598	$	74,035
Investment securities	27,574		104,911
Loans	36,644		360,272
Allowance for loan losses	—		—
Premises and equipment	3,128		29,436
Company-owned life insurance	—		13,046
Core deposit intangible assets	695		11,014
Other assets	898		18,885
Total assets acquired	74,537		611,599
Liabilities assumed:
Deposits	63,565		515,379
Repurchase agreements	2,000		—
Long term debt	1,253		—
Subordinated debentures held by subsidiary trusts	—		20,439
Other liabilities	633		23,231
Total liabilities assumed	67,451		559,049
Net assets acquired	7,086		52,550
Consideration paid:
Cash	7,234		38,479
Class A common stock	—		35,972
Total consideration paid	7,234		74,451
Goodwill	$	148	$	21,901

Business Acquisition, Pro Forma Information

The following table presents unaudited pro forma consolidated revenues and net income as if the MWFC acquisition had occurred as of January 1, 2013.

Year ended December 31, (unaudited)	2014		2013
Interest income	$	280,102	$	280,455
Non-interest income	114,984		120,005
Total revenues	$	395,086	$	400,460
Net income	$	87,129	$	84,264