XML 121 R110.htm IDEA: XBRL DOCUMENT v3.20.2
Regulatory Capital Requirements (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Group [Member]    
Capital [Abstract]    
Actual - Total capital $ 1,065,745 $ 937,962
Actual - Tier 1 capital 979,506 852,311
Actual -Common equity tier 1 capital 862,636 735,441
Actual - Tier 1 leverage capital 979,506 852,311
Minimum Capital - Total Capital 550,009 539,268
Minimum capital - Tier 1 capital 412,506 404,451
Minimum capital - Common equity tier 1 capital 309,380 303,338
Minimum capital - Tier 1 leverage capital 391,856 369,151
Minimum to be well capitalized - Total Capital 687,511 674,085
Minimum to be well capitalized - Tier 1 capital 550,009 539,268
Minimum to be well capitalized - Common equity tier 1 capital 446,882 438,155
Minimum to be well capitalized - Tier 1 leverage $ 489,820 $ 461,438
Risk Based Ratios [Abstract]    
Capital to Risk Weighted Assets 15.50% 13.91%
Tier One Risk Based Capital to Risk Weighted Assets 14.25% 12.64%
Common Equity Tier OneTo Risk Weighted Assets 12.55% 10.91%
Tier One Leverage Capital to Average Assets 10.00% 9.24%
Capital Required for Capital Adequacy to Risk Weighted Assets 8.00% 8.00%
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets 6.00% 6.00%
Common Equity Tier One Required For Capital Adequacy To Risk Weighted Assets 4.50% 4.50%
Tier One Leverage Capital Required for Capital Adequacy to Average Assets 4.00% 4.00%
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00% 10.00%
Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets 8.00% 8.00%
Tier One Risk Common Equity Tier One Required To Be Well Capitalized To Risk Weighted Assets 6.50% 6.50%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets 5.00% 5.00%
Bank [Member]    
Capital [Abstract]    
Actual - Total capital $ 1,019,228 $ 898,812
Actual - Tier 1 capital 933,371 813,444
Actual -Common equity tier 1 capital 933,371 813,444
Actual - Tier 1 leverage capital 933,371 813,444
Minimum Capital - Total Capital 547,540 538,279
Minimum capital - Tier 1 capital 410,655 403,709
Minimum capital - Common equity tier 1 capital 307,991 302,782
Minimum capital - Tier 1 leverage capital 389,708 367,537
Minimum to be well capitalized - Total Capital 684,425 672,848
Minimum to be well capitalized - Tier 1 capital 547,540 538,279
Minimum to be well capitalized - Common equity tier 1 capital 444,876 437,351
Minimum to be well capitalized - Tier 1 leverage $ 487,135 $ 459,421
Risk Based Ratios [Abstract]    
Capital to Risk Weighted Assets 14.89% 13.36%
Tier One Risk Based Capital to Risk Weighted Assets 13.64% 12.09%
Common Equity Tier OneTo Risk Weighted Assets 13.64% 12.09%
Tier One Leverage Capital to Average Assets 9.58% 8.85%
Capital Required for Capital Adequacy to Risk Weighted Assets 8.00% 8.00%
Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets 6.00% 6.00%
Common Equity Tier One Required For Capital Adequacy To Risk Weighted Assets 4.50% 4.50%
Tier One Leverage Capital Required for Capital Adequacy to Average Assets 4.00% 4.00%
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00% 10.00%
Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets 8.00% 8.00%
Tier One Risk Common Equity Tier One Required To Be Well Capitalized To Risk Weighted Assets 6.50% 6.50%
Tier One Leverage Capital Required to be Well Capitalized to Average Assets 5.00% 5.00%