Complex sentence: These are organizations "alongside" (Grk: para-) church structures, and often seek to be less institutional, however over time, with growth and success, and in response to environmental pressures they can become more institutional.
Split into simpler sentences: These are organizations "alongside" (Grk: para-) church structures, and often seek to be less institutional. However, over time, with growth and success and in response to environmental pressures they can become more institutional.