Capital (Tables)

12 Months Ended

Dec. 31, 2017

Regulatory Capital Ratios for Company in Comparison With Minimum Amounts and Ratios Required by Federal Reserve Board of Governors

The following tables present the regulatory capital ratios for the Company at December 31, 2017 and 2016, in comparison with the minimum amounts and ratios required by the FRB for capital adequacy purposes:

	Risk-Based Capital
At December 31, 2017	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	3,869,129		11.36	%	$	4,371,969		12.84	%	$	4,877,208		14.32	%	$	4,371,969		9.58	%
Minimum for capital adequacy purposes		1,532,448		4.50			2,043,265		6.00			2,724,353		8.00			1,826,141		4.00
Excess	$	2,336,681		6.86	%	$	2,328,704		6.84	%	$	2,152,855		6.32	%	$	2,545,828		5.58	%

	Risk-Based Capital
At December 31, 2016	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	3,748,231		10.62	%	$	3,748,231		10.62	%	$	4,277,759		12.12	%	$	3,748,231		8.00	%
Minimum for capital adequacy purposes		1,588,699		4.50			2,118,266		6.00			2,824,355		8.00			1,875,062		4.00
Excess	$	2,159,532		6.12	%	$	1,629,965		4.62	%	$	1,453,404		4.12	%	$	1,873,169		4.00	%

Actual Capital Amounts and Ratios for Community Bank in Comparison to Minimum Amounts and Ratios Required

The following tables present the actual capital amounts and ratios for the Community Bank at December 31, 2017 and 2016 in comparison to the minimum amounts and ratios required for capital adequacy purposes.

	Risk-Based Capital
At December 31, 2017	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	4,253,233		13.43	%	$	4,253,233		13.43	%	$	4,387,620		13.86	%	$	4,253,233		10.06	%
Minimum for capital adequacy purposes		1,424,795		4.50			1,899,727		6.00			2,532,969		8.00			1,691,041		4.00
Excess	$	2,828,438		8.93	%	$	2,353,506		7.43	%	$	1,854,651		5.86	%	$	2,562,192		6.06	%

	Risk-Based Capital
At December 31, 2016	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	3,686,510		11.23	%	$	3,686,510		11.23	%	$	3,843,382		11.71	%	$	3,686,510		8.45	%
Minimum for capital adequacy purposes		1,477,056		4.50			1,969,408		6.00			2,625,877		8.00			1,744,601		4.00
Excess	$	2,209,454		6.73	%	$	1,717,102		5.23	%	$	1,217,505		3.71	%	$	1,941,909		4.45	%

Actual Capital Amounts and Ratios for Commercial Bank in Comparison With Minimum Amounts and Ratios Required

The following tables present the actual capital amounts and ratios for the Commercial Bank at December 31, 2017 and 2016 in comparison to the minimum amounts and ratios required for capital adequacy purposes:

	Risk-Based Capital
At December 31, 2017	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	380,194		15.95	%	$	380,194		15.95	%	$	404,643		16.97	%	$	380,194		11.37	%
Minimum for capital adequacy purposes		107,285		4.50			143,047		6.00			190,729		8.00			133,801		4.00
Excess	$	272,909		11.45	%	$	237,147		9.95	%	$	213,914		8.97	%	$	246,393		7.37	%

	Risk-Based Capital
At December 31, 2016	Common Equity Tier 1					Tier 1					Total					Leverage Capital
(dollars in thousands)	Amount		Ratio			Amount		Ratio			Amount		Ratio			Amount		Ratio
Total capital	$	370,707		14.14	%	$	370,707		14.14	%	$	397,259		15.15	%	$	370,707		10.53	%
Minimum for capital adequacy purposes		117,973		4.50			157,297		6.00			209,729		8.00			140,813		4.00
Excess	$	252,734		9.64	%	$	213,410		8.14	%	$	187,530		7.15	%	$	229,894		6.53	%