Regulatory Capital (Tables)

6 Months Ended

Jun. 30, 2018

Banking and Thrift [Abstract]

Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations

Actual capital amounts and ratios for the Company and its bank subsidiary, as of June 30, 2018 and December 31, 2017 are presented in the following tables:

	Actual				Adequately Capitalized  Basel III Phase-In Schedule				Adequately Capitalized Basel III Fully Phased-In				Well Capitalized (1)
June 30, 2018	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
Total risk-based capital:
Consolidated	$	1,160.9	12.97	%	$	883.6	9.875	%	$	939.5	10.50	%	$	894.7	10.00	%
FIB	1,087.7		12.20		880.3		9.875		936.0		10.50		891.4		10.00
Tier 1 risk-based capital:
Consolidated	1,086.8		12.15		704.6		7.875		760.5		8.50		715.8		8.00
FIB	1,013.6		11.37		702.0		7.875		757.7		8.50		713.2		8.00
Common equity tier 1 risk-based capital:
Consolidated	1,006.8		11.25		570.4		6.375		626.3		7.00		581.6		6.50
FIB	1,013.6		11.37		568.3		6.375		624.0		7.00		579.4		6.50
Leverage capital ratio:
Consolidated	1,086.8		9.28		468.4		4.00		468.4		4.00		585.5		5.00
FIB	1,013.6		8.69		466.8		4.00		466.8		4.00		583.5		5.00

	Actual				Adequately Capitalized  Basel III Phase-In Schedule				Adequately Capitalized Basel III Fully Phased-In				Well Capitalized (1)
December 31, 2017	Amount		Ratio		Amount		Ratio		Amount		Ratio		Amount		Ratio
Total risk-based capital:
Consolidated	$	1,112.5	12.76	%	$	806.5	9.25	%	$	915.5	10.50	%	$	871.9	10.00	%
FIB	1,066.6		12.29		802.7		9.25		911.2		10.50		867.8		10.00
Tier 1 risk-based capital:
Consolidated	1,040.3		11.93		632.1		7.25		741.1		8.50		697.5		8.00
FIB	994.4		11.46		629.1		7.25		737.6		8.50		694.2		8.00
Common equity tier 1 risk-based capital:
Consolidated	962.4		11.04		501.3		5.75		610.3		7.00		566.7		6.50
FIB	994.4		11.46		499.0		5.75		607.4		7.00		564.1		6.50
Leverage capital ratio:
Consolidated	1,040.3		8.86		469.9		4.00		469.9		4.00		587.4		5.00
FIB	994.4		8.48		469.1		4.00		469.1		4.00		586.3		5.00

(1) The ratios for the requirements to be deemed “well capitalized” are only applicable to FIB. However, the Company manages its capital position as if the requirements apply to the consolidated entity and has presented the ratios as if they also applied on a consolidated basis.